Update OpenSSL to version 1.0.2g
This commit is contained in:
@@ -97,6 +97,8 @@ static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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EVP_PKEY_free(si->pkey);
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if (si->signer)
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X509_free(si->signer);
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if (si->pctx)
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EVP_MD_CTX_cleanup(&si->mctx);
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}
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return 1;
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}
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@@ -164,10 +166,21 @@ ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = {
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ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0)
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} ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier)
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ASN1_SEQUENCE(CMS_RecipientEncryptedKey) = {
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static int cms_rek_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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void *exarg)
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{
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CMS_RecipientEncryptedKey *rek = (CMS_RecipientEncryptedKey *)*pval;
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if (operation == ASN1_OP_FREE_POST) {
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if (rek->pkey)
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EVP_PKEY_free(rek->pkey);
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}
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return 1;
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}
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ASN1_SEQUENCE_cb(CMS_RecipientEncryptedKey, cms_rek_cb) = {
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ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier),
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ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING)
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} ASN1_SEQUENCE_END(CMS_RecipientEncryptedKey)
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} ASN1_SEQUENCE_END_cb(CMS_RecipientEncryptedKey, CMS_RecipientEncryptedKey)
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ASN1_SEQUENCE(CMS_OriginatorPublicKey) = {
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ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR),
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@@ -180,13 +193,29 @@ ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = {
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ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1)
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} ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey)
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ASN1_SEQUENCE(CMS_KeyAgreeRecipientInfo) = {
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static int cms_kari_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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void *exarg)
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{
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CMS_KeyAgreeRecipientInfo *kari = (CMS_KeyAgreeRecipientInfo *)*pval;
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if (operation == ASN1_OP_NEW_POST) {
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EVP_CIPHER_CTX_init(&kari->ctx);
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EVP_CIPHER_CTX_set_flags(&kari->ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
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kari->pctx = NULL;
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} else if (operation == ASN1_OP_FREE_POST) {
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if (kari->pctx)
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EVP_PKEY_CTX_free(kari->pctx);
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EVP_CIPHER_CTX_cleanup(&kari->ctx);
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}
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return 1;
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}
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ASN1_SEQUENCE_cb(CMS_KeyAgreeRecipientInfo, cms_kari_cb) = {
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ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG),
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ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0),
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ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1),
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ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
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ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey)
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} ASN1_SEQUENCE_END(CMS_KeyAgreeRecipientInfo)
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} ASN1_SEQUENCE_END_cb(CMS_KeyAgreeRecipientInfo, CMS_KeyAgreeRecipientInfo)
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ASN1_SEQUENCE(CMS_KEKIdentifier) = {
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ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING),
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@@ -225,6 +254,8 @@ static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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EVP_PKEY_free(ktri->pkey);
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if (ktri->recip)
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X509_free(ktri->recip);
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if (ktri->pctx)
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EVP_PKEY_CTX_free(ktri->pctx);
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} else if (ri->type == CMS_RECIPINFO_KEK) {
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CMS_KEKRecipientInfo *kekri = ri->d.kekri;
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if (kekri->key) {
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@@ -379,3 +410,50 @@ ASN1_SEQUENCE(CMS_Receipt) = {
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ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING),
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ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING)
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} ASN1_SEQUENCE_END(CMS_Receipt)
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/*
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* Utilities to encode the CMS_SharedInfo structure used during key
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* derivation.
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*/
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typedef struct {
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X509_ALGOR *keyInfo;
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ASN1_OCTET_STRING *entityUInfo;
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ASN1_OCTET_STRING *suppPubInfo;
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} CMS_SharedInfo;
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ASN1_SEQUENCE(CMS_SharedInfo) = {
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ASN1_SIMPLE(CMS_SharedInfo, keyInfo, X509_ALGOR),
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ASN1_EXP_OPT(CMS_SharedInfo, entityUInfo, ASN1_OCTET_STRING, 0),
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ASN1_EXP_OPT(CMS_SharedInfo, suppPubInfo, ASN1_OCTET_STRING, 2),
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} ASN1_SEQUENCE_END(CMS_SharedInfo)
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int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg,
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ASN1_OCTET_STRING *ukm, int keylen)
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{
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union {
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CMS_SharedInfo *pecsi;
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ASN1_VALUE *a;
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} intsi = {
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NULL
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};
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ASN1_OCTET_STRING oklen;
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unsigned char kl[4];
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CMS_SharedInfo ecsi;
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keylen <<= 3;
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kl[0] = (keylen >> 24) & 0xff;
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kl[1] = (keylen >> 16) & 0xff;
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kl[2] = (keylen >> 8) & 0xff;
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kl[3] = keylen & 0xff;
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oklen.length = 4;
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oklen.data = kl;
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oklen.type = V_ASN1_OCTET_STRING;
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oklen.flags = 0;
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ecsi.keyInfo = kekalg;
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ecsi.entityUInfo = ukm;
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ecsi.suppPubInfo = &oklen;
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intsi.pecsi = &ecsi;
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return ASN1_item_i2d(intsi.a, pder, ASN1_ITEM_rptr(CMS_SharedInfo));
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}
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@@ -100,6 +100,36 @@ static CMS_EnvelopedData *cms_enveloped_data_init(CMS_ContentInfo *cms)
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return cms_get0_enveloped(cms);
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}
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int cms_env_asn1_ctrl(CMS_RecipientInfo *ri, int cmd)
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{
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EVP_PKEY *pkey;
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int i;
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if (ri->type == CMS_RECIPINFO_TRANS)
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pkey = ri->d.ktri->pkey;
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else if (ri->type == CMS_RECIPINFO_AGREE) {
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EVP_PKEY_CTX *pctx = ri->d.kari->pctx;
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if (!pctx)
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return 0;
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pkey = EVP_PKEY_CTX_get0_pkey(pctx);
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if (!pkey)
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return 0;
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} else
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return 0;
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if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
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return 1;
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i = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_CMS_ENVELOPE, cmd, ri);
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if (i == -2) {
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CMSerr(CMS_F_CMS_ENV_ASN1_CTRL,
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CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
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return 0;
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}
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if (i <= 0) {
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CMSerr(CMS_F_CMS_ENV_ASN1_CTRL, CMS_R_CTRL_FAILURE);
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return 0;
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}
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return 1;
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}
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STACK_OF(CMS_RecipientInfo) *CMS_get0_RecipientInfos(CMS_ContentInfo *cms)
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{
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CMS_EnvelopedData *env;
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@@ -114,6 +144,15 @@ int CMS_RecipientInfo_type(CMS_RecipientInfo *ri)
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return ri->type;
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}
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EVP_PKEY_CTX *CMS_RecipientInfo_get0_pkey_ctx(CMS_RecipientInfo *ri)
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{
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if (ri->type == CMS_RECIPINFO_TRANS)
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return ri->d.ktri->pctx;
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else if (ri->type == CMS_RECIPINFO_AGREE)
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return ri->d.kari->pctx;
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return NULL;
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}
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CMS_ContentInfo *CMS_EnvelopedData_create(const EVP_CIPHER *cipher)
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{
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CMS_ContentInfo *cms;
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@@ -137,19 +176,63 @@ CMS_ContentInfo *CMS_EnvelopedData_create(const EVP_CIPHER *cipher)
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/* Key Transport Recipient Info (KTRI) routines */
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/* Initialise a ktri based on passed certificate and key */
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static int cms_RecipientInfo_ktri_init(CMS_RecipientInfo *ri, X509 *recip,
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EVP_PKEY *pk, unsigned int flags)
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{
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CMS_KeyTransRecipientInfo *ktri;
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int idtype;
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ri->d.ktri = M_ASN1_new_of(CMS_KeyTransRecipientInfo);
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if (!ri->d.ktri)
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return 0;
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ri->type = CMS_RECIPINFO_TRANS;
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ktri = ri->d.ktri;
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if (flags & CMS_USE_KEYID) {
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ktri->version = 2;
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idtype = CMS_RECIPINFO_KEYIDENTIFIER;
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} else {
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ktri->version = 0;
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idtype = CMS_RECIPINFO_ISSUER_SERIAL;
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}
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/*
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* Not a typo: RecipientIdentifier and SignerIdentifier are the same
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* structure.
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*/
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if (!cms_set1_SignerIdentifier(ktri->rid, recip, idtype))
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return 0;
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CRYPTO_add(&recip->references, 1, CRYPTO_LOCK_X509);
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CRYPTO_add(&pk->references, 1, CRYPTO_LOCK_EVP_PKEY);
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ktri->pkey = pk;
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ktri->recip = recip;
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if (flags & CMS_KEY_PARAM) {
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ktri->pctx = EVP_PKEY_CTX_new(ktri->pkey, NULL);
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if (!ktri->pctx)
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return 0;
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if (EVP_PKEY_encrypt_init(ktri->pctx) <= 0)
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return 0;
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} else if (!cms_env_asn1_ctrl(ri, 0))
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return 0;
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return 1;
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}
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/*
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* Add a recipient certificate. For now only handle key transport. If we ever
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* handle key agreement will need updating.
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* Add a recipient certificate using appropriate type of RecipientInfo
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*/
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CMS_RecipientInfo *CMS_add1_recipient_cert(CMS_ContentInfo *cms,
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X509 *recip, unsigned int flags)
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{
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CMS_RecipientInfo *ri = NULL;
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CMS_KeyTransRecipientInfo *ktri;
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CMS_EnvelopedData *env;
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EVP_PKEY *pk = NULL;
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int i, type;
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env = cms_get0_enveloped(cms);
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if (!env)
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goto err;
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@@ -159,59 +242,36 @@ CMS_RecipientInfo *CMS_add1_recipient_cert(CMS_ContentInfo *cms,
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if (!ri)
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goto merr;
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/* Initialize and add key transport recipient info */
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ri->d.ktri = M_ASN1_new_of(CMS_KeyTransRecipientInfo);
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if (!ri->d.ktri)
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goto merr;
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ri->type = CMS_RECIPINFO_TRANS;
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ktri = ri->d.ktri;
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X509_check_purpose(recip, -1, -1);
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pk = X509_get_pubkey(recip);
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if (!pk) {
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CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT, CMS_R_ERROR_GETTING_PUBLIC_KEY);
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goto err;
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}
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CRYPTO_add(&recip->references, 1, CRYPTO_LOCK_X509);
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ktri->pkey = pk;
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ktri->recip = recip;
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if (flags & CMS_USE_KEYID) {
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ktri->version = 2;
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if (env->version < 2)
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env->version = 2;
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type = CMS_RECIPINFO_KEYIDENTIFIER;
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} else {
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ktri->version = 0;
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type = CMS_RECIPINFO_ISSUER_SERIAL;
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}
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switch (cms_pkey_get_ri_type(pk)) {
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/*
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* Not a typo: RecipientIdentifier and SignerIdentifier are the same
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* structure.
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*/
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case CMS_RECIPINFO_TRANS:
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if (!cms_RecipientInfo_ktri_init(ri, recip, pk, flags))
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goto err;
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break;
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if (!cms_set1_SignerIdentifier(ktri->rid, recip, type))
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case CMS_RECIPINFO_AGREE:
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if (!cms_RecipientInfo_kari_init(ri, recip, pk, flags))
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goto err;
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break;
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default:
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CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT,
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CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
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goto err;
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if (pk->ameth && pk->ameth->pkey_ctrl) {
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i = pk->ameth->pkey_ctrl(pk, ASN1_PKEY_CTRL_CMS_ENVELOPE, 0, ri);
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if (i == -2) {
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CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT,
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CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
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goto err;
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}
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||||
if (i <= 0) {
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CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT, CMS_R_CTRL_FAILURE);
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goto err;
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||||
}
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}
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|
||||
if (!sk_CMS_RecipientInfo_push(env->recipientInfos, ri))
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goto merr;
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EVP_PKEY_free(pk);
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||||
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return ri;
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merr:
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@@ -219,6 +279,8 @@ CMS_RecipientInfo *CMS_add1_recipient_cert(CMS_ContentInfo *cms,
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err:
|
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if (ri)
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M_ASN1_free_of(ri, CMS_RecipientInfo);
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if (pk)
|
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EVP_PKEY_free(pk);
|
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return NULL;
|
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|
||||
}
|
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@@ -288,7 +350,7 @@ static int cms_RecipientInfo_ktri_encrypt(CMS_ContentInfo *cms,
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{
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CMS_KeyTransRecipientInfo *ktri;
|
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CMS_EncryptedContentInfo *ec;
|
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EVP_PKEY_CTX *pctx = NULL;
|
||||
EVP_PKEY_CTX *pctx;
|
||||
unsigned char *ek = NULL;
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size_t eklen;
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|
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@@ -301,12 +363,19 @@ static int cms_RecipientInfo_ktri_encrypt(CMS_ContentInfo *cms,
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ktri = ri->d.ktri;
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ec = cms->d.envelopedData->encryptedContentInfo;
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||||
|
||||
pctx = EVP_PKEY_CTX_new(ktri->pkey, NULL);
|
||||
if (!pctx)
|
||||
return 0;
|
||||
pctx = ktri->pctx;
|
||||
|
||||
if (EVP_PKEY_encrypt_init(pctx) <= 0)
|
||||
goto err;
|
||||
if (pctx) {
|
||||
if (!cms_env_asn1_ctrl(ri, 0))
|
||||
goto err;
|
||||
} else {
|
||||
pctx = EVP_PKEY_CTX_new(ktri->pkey, NULL);
|
||||
if (!pctx)
|
||||
return 0;
|
||||
|
||||
if (EVP_PKEY_encrypt_init(pctx) <= 0)
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_ENCRYPT,
|
||||
EVP_PKEY_CTRL_CMS_ENCRYPT, 0, ri) <= 0) {
|
||||
@@ -333,8 +402,10 @@ static int cms_RecipientInfo_ktri_encrypt(CMS_ContentInfo *cms,
|
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ret = 1;
|
||||
|
||||
err:
|
||||
if (pctx)
|
||||
if (pctx) {
|
||||
EVP_PKEY_CTX_free(pctx);
|
||||
ktri->pctx = NULL;
|
||||
}
|
||||
if (ek)
|
||||
OPENSSL_free(ek);
|
||||
return ret;
|
||||
@@ -347,7 +418,7 @@ static int cms_RecipientInfo_ktri_decrypt(CMS_ContentInfo *cms,
|
||||
CMS_RecipientInfo *ri)
|
||||
{
|
||||
CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
|
||||
EVP_PKEY_CTX *pctx = NULL;
|
||||
EVP_PKEY *pkey = ktri->pkey;
|
||||
unsigned char *ek = NULL;
|
||||
size_t eklen;
|
||||
int ret = 0;
|
||||
@@ -359,20 +430,23 @@ static int cms_RecipientInfo_ktri_decrypt(CMS_ContentInfo *cms,
|
||||
return 0;
|
||||
}
|
||||
|
||||
pctx = EVP_PKEY_CTX_new(ktri->pkey, NULL);
|
||||
if (!pctx)
|
||||
ktri->pctx = EVP_PKEY_CTX_new(pkey, NULL);
|
||||
if (!ktri->pctx)
|
||||
return 0;
|
||||
|
||||
if (EVP_PKEY_decrypt_init(pctx) <= 0)
|
||||
if (EVP_PKEY_decrypt_init(ktri->pctx) <= 0)
|
||||
goto err;
|
||||
|
||||
if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DECRYPT,
|
||||
if (!cms_env_asn1_ctrl(ri, 1))
|
||||
goto err;
|
||||
|
||||
if (EVP_PKEY_CTX_ctrl(ktri->pctx, -1, EVP_PKEY_OP_DECRYPT,
|
||||
EVP_PKEY_CTRL_CMS_DECRYPT, 0, ri) <= 0) {
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, CMS_R_CTRL_ERROR);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_decrypt(pctx, NULL, &eklen,
|
||||
if (EVP_PKEY_decrypt(ktri->pctx, NULL, &eklen,
|
||||
ktri->encryptedKey->data,
|
||||
ktri->encryptedKey->length) <= 0)
|
||||
goto err;
|
||||
@@ -384,7 +458,7 @@ static int cms_RecipientInfo_ktri_decrypt(CMS_ContentInfo *cms,
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_decrypt(pctx, ek, &eklen,
|
||||
if (EVP_PKEY_decrypt(ktri->pctx, ek, &eklen,
|
||||
ktri->encryptedKey->data,
|
||||
ktri->encryptedKey->length) <= 0) {
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, CMS_R_CMS_LIB);
|
||||
@@ -402,8 +476,10 @@ static int cms_RecipientInfo_ktri_decrypt(CMS_ContentInfo *cms,
|
||||
ec->keylen = eklen;
|
||||
|
||||
err:
|
||||
if (pctx)
|
||||
EVP_PKEY_CTX_free(pctx);
|
||||
if (ktri->pctx) {
|
||||
EVP_PKEY_CTX_free(ktri->pctx);
|
||||
ktri->pctx = NULL;
|
||||
}
|
||||
if (!ret && ek)
|
||||
OPENSSL_free(ek);
|
||||
|
||||
@@ -745,12 +821,99 @@ int CMS_RecipientInfo_decrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri)
|
||||
}
|
||||
}
|
||||
|
||||
int CMS_RecipientInfo_encrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri)
|
||||
{
|
||||
switch (ri->type) {
|
||||
case CMS_RECIPINFO_TRANS:
|
||||
return cms_RecipientInfo_ktri_encrypt(cms, ri);
|
||||
|
||||
case CMS_RECIPINFO_AGREE:
|
||||
return cms_RecipientInfo_kari_encrypt(cms, ri);
|
||||
|
||||
case CMS_RECIPINFO_KEK:
|
||||
return cms_RecipientInfo_kekri_encrypt(cms, ri);
|
||||
break;
|
||||
|
||||
case CMS_RECIPINFO_PASS:
|
||||
return cms_RecipientInfo_pwri_crypt(cms, ri, 1);
|
||||
break;
|
||||
|
||||
default:
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_ENCRYPT,
|
||||
CMS_R_UNSUPPORTED_RECIPIENT_TYPE);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check structures and fixup version numbers (if necessary) */
|
||||
|
||||
static void cms_env_set_originfo_version(CMS_EnvelopedData *env)
|
||||
{
|
||||
CMS_OriginatorInfo *org = env->originatorInfo;
|
||||
int i;
|
||||
if (org == NULL)
|
||||
return;
|
||||
for (i = 0; i < sk_CMS_CertificateChoices_num(org->certificates); i++) {
|
||||
CMS_CertificateChoices *cch;
|
||||
cch = sk_CMS_CertificateChoices_value(org->certificates, i);
|
||||
if (cch->type == CMS_CERTCHOICE_OTHER) {
|
||||
env->version = 4;
|
||||
return;
|
||||
} else if (cch->type == CMS_CERTCHOICE_V2ACERT) {
|
||||
if (env->version < 3)
|
||||
env->version = 3;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < sk_CMS_RevocationInfoChoice_num(org->crls); i++) {
|
||||
CMS_RevocationInfoChoice *rch;
|
||||
rch = sk_CMS_RevocationInfoChoice_value(org->crls, i);
|
||||
if (rch->type == CMS_REVCHOICE_OTHER) {
|
||||
env->version = 4;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void cms_env_set_version(CMS_EnvelopedData *env)
|
||||
{
|
||||
int i;
|
||||
CMS_RecipientInfo *ri;
|
||||
|
||||
/*
|
||||
* Can't set version higher than 4 so if 4 or more already nothing to do.
|
||||
*/
|
||||
if (env->version >= 4)
|
||||
return;
|
||||
|
||||
cms_env_set_originfo_version(env);
|
||||
|
||||
if (env->version >= 3)
|
||||
return;
|
||||
|
||||
for (i = 0; i < sk_CMS_RecipientInfo_num(env->recipientInfos); i++) {
|
||||
ri = sk_CMS_RecipientInfo_value(env->recipientInfos, i);
|
||||
if (ri->type == CMS_RECIPINFO_PASS || ri->type == CMS_RECIPINFO_OTHER) {
|
||||
env->version = 3;
|
||||
return;
|
||||
} else if (ri->type != CMS_RECIPINFO_TRANS
|
||||
|| ri->d.ktri->version != 0) {
|
||||
env->version = 2;
|
||||
}
|
||||
}
|
||||
if (env->version == 2)
|
||||
return;
|
||||
if (env->originatorInfo || env->unprotectedAttrs)
|
||||
env->version = 2;
|
||||
env->version = 0;
|
||||
}
|
||||
|
||||
BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms)
|
||||
{
|
||||
CMS_EncryptedContentInfo *ec;
|
||||
STACK_OF(CMS_RecipientInfo) *rinfos;
|
||||
CMS_RecipientInfo *ri;
|
||||
int i, r, ok = 0;
|
||||
int i, ok = 0;
|
||||
BIO *ret;
|
||||
|
||||
/* Get BIO first to set up key */
|
||||
@@ -769,32 +932,13 @@ BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms)
|
||||
|
||||
for (i = 0; i < sk_CMS_RecipientInfo_num(rinfos); i++) {
|
||||
ri = sk_CMS_RecipientInfo_value(rinfos, i);
|
||||
|
||||
switch (ri->type) {
|
||||
case CMS_RECIPINFO_TRANS:
|
||||
r = cms_RecipientInfo_ktri_encrypt(cms, ri);
|
||||
break;
|
||||
|
||||
case CMS_RECIPINFO_KEK:
|
||||
r = cms_RecipientInfo_kekri_encrypt(cms, ri);
|
||||
break;
|
||||
|
||||
case CMS_RECIPINFO_PASS:
|
||||
r = cms_RecipientInfo_pwri_crypt(cms, ri, 1);
|
||||
break;
|
||||
|
||||
default:
|
||||
CMSerr(CMS_F_CMS_ENVELOPEDDATA_INIT_BIO,
|
||||
CMS_R_UNSUPPORTED_RECIPIENT_TYPE);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (r <= 0) {
|
||||
if (CMS_RecipientInfo_encrypt(cms, ri) <= 0) {
|
||||
CMSerr(CMS_F_CMS_ENVELOPEDDATA_INIT_BIO,
|
||||
CMS_R_ERROR_SETTING_RECIPIENTINFO);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
cms_env_set_version(cms->d.envelopedData);
|
||||
|
||||
ok = 1;
|
||||
|
||||
@@ -812,3 +956,19 @@ BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms)
|
||||
return NULL;
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* Get RecipientInfo type (if any) supported by a key (public or private). To
|
||||
* retain compatibility with previous behaviour if the ctrl value isn't
|
||||
* supported we assume key transport.
|
||||
*/
|
||||
int cms_pkey_get_ri_type(EVP_PKEY *pk)
|
||||
{
|
||||
if (pk->ameth && pk->ameth->pkey_ctrl) {
|
||||
int i, r;
|
||||
i = pk->ameth->pkey_ctrl(pk, ASN1_PKEY_CTRL_CMS_RI_TYPE, 0, &r);
|
||||
if (i > 0)
|
||||
return r;
|
||||
}
|
||||
return CMS_RECIPINFO_TRANS;
|
||||
}
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
/* crypto/cms/cms_err.c */
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1999-2009 The OpenSSL Project. All rights reserved.
|
||||
* Copyright (c) 1999-2013 The OpenSSL Project. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@@ -110,6 +110,7 @@ static ERR_STRING_DATA CMS_str_functs[] = {
|
||||
{ERR_FUNC(CMS_F_CMS_ENVELOPEDDATA_INIT_BIO),
|
||||
"cms_EnvelopedData_init_bio"},
|
||||
{ERR_FUNC(CMS_F_CMS_ENVELOPED_DATA_INIT), "CMS_ENVELOPED_DATA_INIT"},
|
||||
{ERR_FUNC(CMS_F_CMS_ENV_ASN1_CTRL), "cms_env_asn1_ctrl"},
|
||||
{ERR_FUNC(CMS_F_CMS_FINAL), "CMS_final"},
|
||||
{ERR_FUNC(CMS_F_CMS_GET0_CERTIFICATE_CHOICES),
|
||||
"CMS_GET0_CERTIFICATE_CHOICES"},
|
||||
@@ -124,6 +125,17 @@ static ERR_STRING_DATA CMS_str_functs[] = {
|
||||
"CMS_ReceiptRequest_create0"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECEIPT_VERIFY), "cms_Receipt_verify"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_DECRYPT), "CMS_RecipientInfo_decrypt"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_ENCRYPT), "CMS_RecipientInfo_encrypt"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_KARI_ENCRYPT),
|
||||
"cms_RecipientInfo_kari_encrypt"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_KARI_GET0_ALG),
|
||||
"CMS_RecipientInfo_kari_get0_alg"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_KARI_GET0_ORIG_ID),
|
||||
"CMS_RecipientInfo_kari_get0_orig_id"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_KARI_GET0_REKS),
|
||||
"CMS_RecipientInfo_kari_get0_reks"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_KARI_ORIG_ID_CMP),
|
||||
"CMS_RecipientInfo_kari_orig_id_cmp"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT),
|
||||
"CMS_RECIPIENTINFO_KEKRI_DECRYPT"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_KEKRI_ENCRYPT),
|
||||
@@ -150,6 +162,9 @@ static ERR_STRING_DATA CMS_str_functs[] = {
|
||||
"CMS_RecipientInfo_set0_password"},
|
||||
{ERR_FUNC(CMS_F_CMS_RECIPIENTINFO_SET0_PKEY),
|
||||
"CMS_RecipientInfo_set0_pkey"},
|
||||
{ERR_FUNC(CMS_F_CMS_SD_ASN1_CTRL), "CMS_SD_ASN1_CTRL"},
|
||||
{ERR_FUNC(CMS_F_CMS_SET1_IAS), "cms_set1_ias"},
|
||||
{ERR_FUNC(CMS_F_CMS_SET1_KEYID), "cms_set1_keyid"},
|
||||
{ERR_FUNC(CMS_F_CMS_SET1_SIGNERIDENTIFIER), "cms_set1_SignerIdentifier"},
|
||||
{ERR_FUNC(CMS_F_CMS_SET_DETACHED), "CMS_set_detached"},
|
||||
{ERR_FUNC(CMS_F_CMS_SIGN), "CMS_sign"},
|
||||
@@ -221,6 +236,7 @@ static ERR_STRING_DATA CMS_str_reasons[] = {
|
||||
{ERR_REASON(CMS_R_NOT_A_SIGNED_RECEIPT), "not a signed receipt"},
|
||||
{ERR_REASON(CMS_R_NOT_ENCRYPTED_DATA), "not encrypted data"},
|
||||
{ERR_REASON(CMS_R_NOT_KEK), "not kek"},
|
||||
{ERR_REASON(CMS_R_NOT_KEY_AGREEMENT), "not key agreement"},
|
||||
{ERR_REASON(CMS_R_NOT_KEY_TRANSPORT), "not key transport"},
|
||||
{ERR_REASON(CMS_R_NOT_PWRI), "not pwri"},
|
||||
{ERR_REASON(CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE),
|
||||
|
||||
@@ -0,0 +1,465 @@
|
||||
/* crypto/cms/cms_kari.c */
|
||||
/*
|
||||
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
||||
* project.
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright (c) 2013 The OpenSSL Project. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. All advertising materials mentioning features or use of this
|
||||
* software must display the following acknowledgment:
|
||||
* "This product includes software developed by the OpenSSL Project
|
||||
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
||||
*
|
||||
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
||||
* endorse or promote products derived from this software without
|
||||
* prior written permission. For written permission, please contact
|
||||
* licensing@OpenSSL.org.
|
||||
*
|
||||
* 5. Products derived from this software may not be called "OpenSSL"
|
||||
* nor may "OpenSSL" appear in their names without prior written
|
||||
* permission of the OpenSSL Project.
|
||||
*
|
||||
* 6. Redistributions of any form whatsoever must retain the following
|
||||
* acknowledgment:
|
||||
* "This product includes software developed by the OpenSSL Project
|
||||
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
||||
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
||||
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||||
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
* ====================================================================
|
||||
*/
|
||||
|
||||
#include "cryptlib.h"
|
||||
#include <openssl/asn1t.h>
|
||||
#include <openssl/pem.h>
|
||||
#include <openssl/x509v3.h>
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/cms.h>
|
||||
#include <openssl/rand.h>
|
||||
#include <openssl/aes.h>
|
||||
#include "cms_lcl.h"
|
||||
#include "asn1_locl.h"
|
||||
|
||||
DECLARE_ASN1_ITEM(CMS_KeyAgreeRecipientInfo)
|
||||
DECLARE_ASN1_ITEM(CMS_RecipientEncryptedKey)
|
||||
DECLARE_ASN1_ITEM(CMS_OriginatorPublicKey)
|
||||
DECLARE_ASN1_ITEM(CMS_RecipientKeyIdentifier)
|
||||
|
||||
/* Key Agreement Recipient Info (KARI) routines */
|
||||
|
||||
int CMS_RecipientInfo_kari_get0_alg(CMS_RecipientInfo *ri,
|
||||
X509_ALGOR **palg,
|
||||
ASN1_OCTET_STRING **pukm)
|
||||
{
|
||||
if (ri->type != CMS_RECIPINFO_AGREE) {
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_KARI_GET0_ALG,
|
||||
CMS_R_NOT_KEY_AGREEMENT);
|
||||
return 0;
|
||||
}
|
||||
if (palg)
|
||||
*palg = ri->d.kari->keyEncryptionAlgorithm;
|
||||
if (pukm)
|
||||
*pukm = ri->d.kari->ukm;
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Retrieve recipient encrypted keys from a kari */
|
||||
|
||||
STACK_OF(CMS_RecipientEncryptedKey)
|
||||
*CMS_RecipientInfo_kari_get0_reks(CMS_RecipientInfo *ri)
|
||||
{
|
||||
if (ri->type != CMS_RECIPINFO_AGREE) {
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_KARI_GET0_REKS,
|
||||
CMS_R_NOT_KEY_AGREEMENT);
|
||||
return NULL;
|
||||
}
|
||||
return ri->d.kari->recipientEncryptedKeys;
|
||||
}
|
||||
|
||||
int CMS_RecipientInfo_kari_get0_orig_id(CMS_RecipientInfo *ri,
|
||||
X509_ALGOR **pubalg,
|
||||
ASN1_BIT_STRING **pubkey,
|
||||
ASN1_OCTET_STRING **keyid,
|
||||
X509_NAME **issuer,
|
||||
ASN1_INTEGER **sno)
|
||||
{
|
||||
CMS_OriginatorIdentifierOrKey *oik;
|
||||
if (ri->type != CMS_RECIPINFO_AGREE) {
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_KARI_GET0_ORIG_ID,
|
||||
CMS_R_NOT_KEY_AGREEMENT);
|
||||
return 0;
|
||||
}
|
||||
oik = ri->d.kari->originator;
|
||||
if (issuer)
|
||||
*issuer = NULL;
|
||||
if (sno)
|
||||
*sno = NULL;
|
||||
if (keyid)
|
||||
*keyid = NULL;
|
||||
if (pubalg)
|
||||
*pubalg = NULL;
|
||||
if (pubkey)
|
||||
*pubkey = NULL;
|
||||
if (oik->type == CMS_OIK_ISSUER_SERIAL) {
|
||||
if (issuer)
|
||||
*issuer = oik->d.issuerAndSerialNumber->issuer;
|
||||
if (sno)
|
||||
*sno = oik->d.issuerAndSerialNumber->serialNumber;
|
||||
} else if (oik->type == CMS_OIK_KEYIDENTIFIER) {
|
||||
if (keyid)
|
||||
*keyid = oik->d.subjectKeyIdentifier;
|
||||
} else if (oik->type == CMS_OIK_PUBKEY) {
|
||||
if (pubalg)
|
||||
*pubalg = oik->d.originatorKey->algorithm;
|
||||
if (pubkey)
|
||||
*pubkey = oik->d.originatorKey->publicKey;
|
||||
} else
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int CMS_RecipientInfo_kari_orig_id_cmp(CMS_RecipientInfo *ri, X509 *cert)
|
||||
{
|
||||
CMS_OriginatorIdentifierOrKey *oik;
|
||||
if (ri->type != CMS_RECIPINFO_AGREE) {
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_KARI_ORIG_ID_CMP,
|
||||
CMS_R_NOT_KEY_AGREEMENT);
|
||||
return -2;
|
||||
}
|
||||
oik = ri->d.kari->originator;
|
||||
if (oik->type == CMS_OIK_ISSUER_SERIAL)
|
||||
return cms_ias_cert_cmp(oik->d.issuerAndSerialNumber, cert);
|
||||
else if (oik->type == CMS_OIK_KEYIDENTIFIER)
|
||||
return cms_keyid_cert_cmp(oik->d.subjectKeyIdentifier, cert);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int CMS_RecipientEncryptedKey_get0_id(CMS_RecipientEncryptedKey *rek,
|
||||
ASN1_OCTET_STRING **keyid,
|
||||
ASN1_GENERALIZEDTIME **tm,
|
||||
CMS_OtherKeyAttribute **other,
|
||||
X509_NAME **issuer, ASN1_INTEGER **sno)
|
||||
{
|
||||
CMS_KeyAgreeRecipientIdentifier *rid = rek->rid;
|
||||
if (rid->type == CMS_REK_ISSUER_SERIAL) {
|
||||
if (issuer)
|
||||
*issuer = rid->d.issuerAndSerialNumber->issuer;
|
||||
if (sno)
|
||||
*sno = rid->d.issuerAndSerialNumber->serialNumber;
|
||||
if (keyid)
|
||||
*keyid = NULL;
|
||||
if (tm)
|
||||
*tm = NULL;
|
||||
if (other)
|
||||
*other = NULL;
|
||||
} else if (rid->type == CMS_REK_KEYIDENTIFIER) {
|
||||
if (keyid)
|
||||
*keyid = rid->d.rKeyId->subjectKeyIdentifier;
|
||||
if (tm)
|
||||
*tm = rid->d.rKeyId->date;
|
||||
if (other)
|
||||
*other = rid->d.rKeyId->other;
|
||||
if (issuer)
|
||||
*issuer = NULL;
|
||||
if (sno)
|
||||
*sno = NULL;
|
||||
} else
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int CMS_RecipientEncryptedKey_cert_cmp(CMS_RecipientEncryptedKey *rek,
|
||||
X509 *cert)
|
||||
{
|
||||
CMS_KeyAgreeRecipientIdentifier *rid = rek->rid;
|
||||
if (rid->type == CMS_REK_ISSUER_SERIAL)
|
||||
return cms_ias_cert_cmp(rid->d.issuerAndSerialNumber, cert);
|
||||
else if (rid->type == CMS_REK_KEYIDENTIFIER)
|
||||
return cms_keyid_cert_cmp(rid->d.rKeyId->subjectKeyIdentifier, cert);
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
int CMS_RecipientInfo_kari_set0_pkey(CMS_RecipientInfo *ri, EVP_PKEY *pk)
|
||||
{
|
||||
EVP_PKEY_CTX *pctx;
|
||||
CMS_KeyAgreeRecipientInfo *kari = ri->d.kari;
|
||||
if (kari->pctx) {
|
||||
EVP_PKEY_CTX_free(kari->pctx);
|
||||
kari->pctx = NULL;
|
||||
}
|
||||
if (!pk)
|
||||
return 1;
|
||||
pctx = EVP_PKEY_CTX_new(pk, NULL);
|
||||
if (!pctx || !EVP_PKEY_derive_init(pctx))
|
||||
goto err;
|
||||
kari->pctx = pctx;
|
||||
return 1;
|
||||
err:
|
||||
if (pctx)
|
||||
EVP_PKEY_CTX_free(pctx);
|
||||
return 0;
|
||||
}
|
||||
|
||||
EVP_CIPHER_CTX *CMS_RecipientInfo_kari_get0_ctx(CMS_RecipientInfo *ri)
|
||||
{
|
||||
if (ri->type == CMS_RECIPINFO_AGREE)
|
||||
return &ri->d.kari->ctx;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Derive KEK and decrypt/encrypt with it to produce either the original CEK
|
||||
* or the encrypted CEK.
|
||||
*/
|
||||
|
||||
static int cms_kek_cipher(unsigned char **pout, size_t *poutlen,
|
||||
const unsigned char *in, size_t inlen,
|
||||
CMS_KeyAgreeRecipientInfo *kari, int enc)
|
||||
{
|
||||
/* Key encryption key */
|
||||
unsigned char kek[EVP_MAX_KEY_LENGTH];
|
||||
size_t keklen;
|
||||
int rv = 0;
|
||||
unsigned char *out = NULL;
|
||||
int outlen;
|
||||
keklen = EVP_CIPHER_CTX_key_length(&kari->ctx);
|
||||
if (keklen > EVP_MAX_KEY_LENGTH)
|
||||
return 0;
|
||||
/* Derive KEK */
|
||||
if (EVP_PKEY_derive(kari->pctx, kek, &keklen) <= 0)
|
||||
goto err;
|
||||
/* Set KEK in context */
|
||||
if (!EVP_CipherInit_ex(&kari->ctx, NULL, NULL, kek, NULL, enc))
|
||||
goto err;
|
||||
/* obtain output length of ciphered key */
|
||||
if (!EVP_CipherUpdate(&kari->ctx, NULL, &outlen, in, inlen))
|
||||
goto err;
|
||||
out = OPENSSL_malloc(outlen);
|
||||
if (!out)
|
||||
goto err;
|
||||
if (!EVP_CipherUpdate(&kari->ctx, out, &outlen, in, inlen))
|
||||
goto err;
|
||||
*pout = out;
|
||||
*poutlen = (size_t)outlen;
|
||||
rv = 1;
|
||||
|
||||
err:
|
||||
OPENSSL_cleanse(kek, keklen);
|
||||
if (!rv && out)
|
||||
OPENSSL_free(out);
|
||||
EVP_CIPHER_CTX_cleanup(&kari->ctx);
|
||||
EVP_PKEY_CTX_free(kari->pctx);
|
||||
kari->pctx = NULL;
|
||||
return rv;
|
||||
}
|
||||
|
||||
int CMS_RecipientInfo_kari_decrypt(CMS_ContentInfo *cms,
|
||||
CMS_RecipientInfo *ri,
|
||||
CMS_RecipientEncryptedKey *rek)
|
||||
{
|
||||
int rv = 0;
|
||||
unsigned char *enckey = NULL, *cek = NULL;
|
||||
size_t enckeylen;
|
||||
size_t ceklen;
|
||||
CMS_EncryptedContentInfo *ec;
|
||||
enckeylen = rek->encryptedKey->length;
|
||||
enckey = rek->encryptedKey->data;
|
||||
/* Setup all parameters to derive KEK */
|
||||
if (!cms_env_asn1_ctrl(ri, 1))
|
||||
goto err;
|
||||
/* Attempt to decrypt CEK */
|
||||
if (!cms_kek_cipher(&cek, &ceklen, enckey, enckeylen, ri->d.kari, 0))
|
||||
goto err;
|
||||
ec = cms->d.envelopedData->encryptedContentInfo;
|
||||
if (ec->key) {
|
||||
OPENSSL_cleanse(ec->key, ec->keylen);
|
||||
OPENSSL_free(ec->key);
|
||||
}
|
||||
ec->key = cek;
|
||||
ec->keylen = ceklen;
|
||||
cek = NULL;
|
||||
rv = 1;
|
||||
err:
|
||||
if (cek)
|
||||
OPENSSL_free(cek);
|
||||
return rv;
|
||||
}
|
||||
|
||||
/* Create ephemeral key and initialise context based on it */
|
||||
static int cms_kari_create_ephemeral_key(CMS_KeyAgreeRecipientInfo *kari,
|
||||
EVP_PKEY *pk)
|
||||
{
|
||||
EVP_PKEY_CTX *pctx = NULL;
|
||||
EVP_PKEY *ekey = NULL;
|
||||
int rv = 0;
|
||||
pctx = EVP_PKEY_CTX_new(pk, NULL);
|
||||
if (!pctx)
|
||||
goto err;
|
||||
if (EVP_PKEY_keygen_init(pctx) <= 0)
|
||||
goto err;
|
||||
if (EVP_PKEY_keygen(pctx, &ekey) <= 0)
|
||||
goto err;
|
||||
EVP_PKEY_CTX_free(pctx);
|
||||
pctx = EVP_PKEY_CTX_new(ekey, NULL);
|
||||
if (!pctx)
|
||||
goto err;
|
||||
if (EVP_PKEY_derive_init(pctx) <= 0)
|
||||
goto err;
|
||||
kari->pctx = pctx;
|
||||
rv = 1;
|
||||
err:
|
||||
if (!rv && pctx)
|
||||
EVP_PKEY_CTX_free(pctx);
|
||||
if (ekey)
|
||||
EVP_PKEY_free(ekey);
|
||||
return rv;
|
||||
}
|
||||
|
||||
/* Initialise a ktri based on passed certificate and key */
|
||||
|
||||
int cms_RecipientInfo_kari_init(CMS_RecipientInfo *ri, X509 *recip,
|
||||
EVP_PKEY *pk, unsigned int flags)
|
||||
{
|
||||
CMS_KeyAgreeRecipientInfo *kari;
|
||||
CMS_RecipientEncryptedKey *rek = NULL;
|
||||
|
||||
ri->d.kari = M_ASN1_new_of(CMS_KeyAgreeRecipientInfo);
|
||||
if (!ri->d.kari)
|
||||
return 0;
|
||||
ri->type = CMS_RECIPINFO_AGREE;
|
||||
|
||||
kari = ri->d.kari;
|
||||
kari->version = 3;
|
||||
|
||||
rek = M_ASN1_new_of(CMS_RecipientEncryptedKey);
|
||||
if (!sk_CMS_RecipientEncryptedKey_push(kari->recipientEncryptedKeys, rek)) {
|
||||
M_ASN1_free_of(rek, CMS_RecipientEncryptedKey);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (flags & CMS_USE_KEYID) {
|
||||
rek->rid->type = CMS_REK_KEYIDENTIFIER;
|
||||
rek->rid->d.rKeyId = M_ASN1_new_of(CMS_RecipientKeyIdentifier);
|
||||
if (rek->rid->d.rKeyId == NULL)
|
||||
return 0;
|
||||
if (!cms_set1_keyid(&rek->rid->d.rKeyId->subjectKeyIdentifier, recip))
|
||||
return 0;
|
||||
} else {
|
||||
rek->rid->type = CMS_REK_ISSUER_SERIAL;
|
||||
if (!cms_set1_ias(&rek->rid->d.issuerAndSerialNumber, recip))
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Create ephemeral key */
|
||||
if (!cms_kari_create_ephemeral_key(kari, pk))
|
||||
return 0;
|
||||
|
||||
CRYPTO_add(&pk->references, 1, CRYPTO_LOCK_EVP_PKEY);
|
||||
rek->pkey = pk;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int cms_wrap_init(CMS_KeyAgreeRecipientInfo *kari,
|
||||
const EVP_CIPHER *cipher)
|
||||
{
|
||||
EVP_CIPHER_CTX *ctx = &kari->ctx;
|
||||
const EVP_CIPHER *kekcipher;
|
||||
int keylen = EVP_CIPHER_key_length(cipher);
|
||||
/* If a suitable wrap algorithm is already set nothing to do */
|
||||
kekcipher = EVP_CIPHER_CTX_cipher(ctx);
|
||||
|
||||
if (kekcipher) {
|
||||
if (EVP_CIPHER_CTX_mode(ctx) != EVP_CIPH_WRAP_MODE)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
/*
|
||||
* Pick a cipher based on content encryption cipher. If it is DES3 use
|
||||
* DES3 wrap otherwise use AES wrap similar to key size.
|
||||
*/
|
||||
if (EVP_CIPHER_type(cipher) == NID_des_ede3_cbc)
|
||||
kekcipher = EVP_des_ede3_wrap();
|
||||
else if (keylen <= 16)
|
||||
kekcipher = EVP_aes_128_wrap();
|
||||
else if (keylen <= 24)
|
||||
kekcipher = EVP_aes_192_wrap();
|
||||
else
|
||||
kekcipher = EVP_aes_256_wrap();
|
||||
return EVP_EncryptInit_ex(ctx, kekcipher, NULL, NULL, NULL);
|
||||
}
|
||||
|
||||
/* Encrypt content key in key agreement recipient info */
|
||||
|
||||
int cms_RecipientInfo_kari_encrypt(CMS_ContentInfo *cms,
|
||||
CMS_RecipientInfo *ri)
|
||||
{
|
||||
CMS_KeyAgreeRecipientInfo *kari;
|
||||
CMS_EncryptedContentInfo *ec;
|
||||
CMS_RecipientEncryptedKey *rek;
|
||||
STACK_OF(CMS_RecipientEncryptedKey) *reks;
|
||||
int i;
|
||||
|
||||
if (ri->type != CMS_RECIPINFO_AGREE) {
|
||||
CMSerr(CMS_F_CMS_RECIPIENTINFO_KARI_ENCRYPT, CMS_R_NOT_KEY_AGREEMENT);
|
||||
return 0;
|
||||
}
|
||||
kari = ri->d.kari;
|
||||
reks = kari->recipientEncryptedKeys;
|
||||
ec = cms->d.envelopedData->encryptedContentInfo;
|
||||
/* Initialise wrap algorithm parameters */
|
||||
if (!cms_wrap_init(kari, ec->cipher))
|
||||
return 0;
|
||||
/*
|
||||
* If no orignator key set up initialise for ephemeral key the public key
|
||||
* ASN1 structure will set the actual public key value.
|
||||
*/
|
||||
if (kari->originator->type == -1) {
|
||||
CMS_OriginatorIdentifierOrKey *oik = kari->originator;
|
||||
oik->type = CMS_OIK_PUBKEY;
|
||||
oik->d.originatorKey = M_ASN1_new_of(CMS_OriginatorPublicKey);
|
||||
if (!oik->d.originatorKey)
|
||||
return 0;
|
||||
}
|
||||
/* Initialise KDF algorithm */
|
||||
if (!cms_env_asn1_ctrl(ri, 0))
|
||||
return 0;
|
||||
/* For each rek, derive KEK, encrypt CEK */
|
||||
for (i = 0; i < sk_CMS_RecipientEncryptedKey_num(reks); i++) {
|
||||
unsigned char *enckey;
|
||||
size_t enckeylen;
|
||||
rek = sk_CMS_RecipientEncryptedKey_value(reks, i);
|
||||
if (EVP_PKEY_derive_set_peer(kari->pctx, rek->pkey) <= 0)
|
||||
return 0;
|
||||
if (!cms_kek_cipher(&enckey, &enckeylen, ec->key, ec->keylen,
|
||||
kari, 1))
|
||||
return 0;
|
||||
ASN1_STRING_set0(rek->encryptedKey, enckey, enckeylen);
|
||||
}
|
||||
|
||||
return 1;
|
||||
|
||||
}
|
||||
@@ -84,11 +84,9 @@ typedef struct CMS_KeyTransRecipientInfo_st CMS_KeyTransRecipientInfo;
|
||||
typedef struct CMS_OriginatorPublicKey_st CMS_OriginatorPublicKey;
|
||||
typedef struct CMS_OriginatorIdentifierOrKey_st CMS_OriginatorIdentifierOrKey;
|
||||
typedef struct CMS_KeyAgreeRecipientInfo_st CMS_KeyAgreeRecipientInfo;
|
||||
typedef struct CMS_OtherKeyAttribute_st CMS_OtherKeyAttribute;
|
||||
typedef struct CMS_RecipientKeyIdentifier_st CMS_RecipientKeyIdentifier;
|
||||
typedef struct CMS_KeyAgreeRecipientIdentifier_st
|
||||
CMS_KeyAgreeRecipientIdentifier;
|
||||
typedef struct CMS_RecipientEncryptedKey_st CMS_RecipientEncryptedKey;
|
||||
typedef struct CMS_KEKIdentifier_st CMS_KEKIdentifier;
|
||||
typedef struct CMS_KEKRecipientInfo_st CMS_KEKRecipientInfo;
|
||||
typedef struct CMS_PasswordRecipientInfo_st CMS_PasswordRecipientInfo;
|
||||
@@ -138,6 +136,9 @@ struct CMS_SignerInfo_st {
|
||||
/* Signing certificate and key */
|
||||
X509 *signer;
|
||||
EVP_PKEY *pkey;
|
||||
/* Digest and public key context for alternative parameters */
|
||||
EVP_MD_CTX mctx;
|
||||
EVP_PKEY_CTX *pctx;
|
||||
};
|
||||
|
||||
struct CMS_SignerIdentifier_st {
|
||||
@@ -194,6 +195,8 @@ struct CMS_KeyTransRecipientInfo_st {
|
||||
/* Recipient Key and cert */
|
||||
X509 *recip;
|
||||
EVP_PKEY *pkey;
|
||||
/* Public key context for this operation */
|
||||
EVP_PKEY_CTX *pctx;
|
||||
};
|
||||
|
||||
struct CMS_KeyAgreeRecipientInfo_st {
|
||||
@@ -202,6 +205,10 @@ struct CMS_KeyAgreeRecipientInfo_st {
|
||||
ASN1_OCTET_STRING *ukm;
|
||||
X509_ALGOR *keyEncryptionAlgorithm;
|
||||
STACK_OF(CMS_RecipientEncryptedKey) *recipientEncryptedKeys;
|
||||
/* Public key context associated with current operation */
|
||||
EVP_PKEY_CTX *pctx;
|
||||
/* Cipher context for CEK wrapping */
|
||||
EVP_CIPHER_CTX ctx;
|
||||
};
|
||||
|
||||
struct CMS_OriginatorIdentifierOrKey_st {
|
||||
@@ -221,6 +228,8 @@ struct CMS_OriginatorPublicKey_st {
|
||||
struct CMS_RecipientEncryptedKey_st {
|
||||
CMS_KeyAgreeRecipientIdentifier *rid;
|
||||
ASN1_OCTET_STRING *encryptedKey;
|
||||
/* Public key associated with this recipient */
|
||||
EVP_PKEY *pkey;
|
||||
};
|
||||
|
||||
struct CMS_KeyAgreeRecipientIdentifier_st {
|
||||
@@ -394,6 +403,13 @@ DECLARE_ASN1_ALLOC_FUNCTIONS(CMS_IssuerAndSerialNumber)
|
||||
# define CMS_RECIPINFO_ISSUER_SERIAL 0
|
||||
# define CMS_RECIPINFO_KEYIDENTIFIER 1
|
||||
|
||||
# define CMS_REK_ISSUER_SERIAL 0
|
||||
# define CMS_REK_KEYIDENTIFIER 1
|
||||
|
||||
# define CMS_OIK_ISSUER_SERIAL 0
|
||||
# define CMS_OIK_KEYIDENTIFIER 1
|
||||
# define CMS_OIK_PUBKEY 2
|
||||
|
||||
BIO *cms_content_bio(CMS_ContentInfo *cms);
|
||||
|
||||
CMS_ContentInfo *cms_Data_create(void);
|
||||
@@ -420,6 +436,11 @@ BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm);
|
||||
int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
|
||||
X509_ALGOR *mdalg);
|
||||
|
||||
int cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert);
|
||||
int cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert);
|
||||
int cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert);
|
||||
int cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert);
|
||||
|
||||
BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec);
|
||||
BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms);
|
||||
int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
|
||||
@@ -432,6 +453,13 @@ ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si);
|
||||
|
||||
BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms);
|
||||
CMS_EnvelopedData *cms_get0_enveloped(CMS_ContentInfo *cms);
|
||||
int cms_env_asn1_ctrl(CMS_RecipientInfo *ri, int cmd);
|
||||
int cms_pkey_get_ri_type(EVP_PKEY *pk);
|
||||
/* KARI routines */
|
||||
int cms_RecipientInfo_kari_init(CMS_RecipientInfo *ri, X509 *recip,
|
||||
EVP_PKEY *pk, unsigned int flags);
|
||||
int cms_RecipientInfo_kari_encrypt(CMS_ContentInfo *cms,
|
||||
CMS_RecipientInfo *ri);
|
||||
|
||||
/* PWRI routines */
|
||||
int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
|
||||
|
||||
@@ -53,7 +53,7 @@
|
||||
*/
|
||||
|
||||
#include <openssl/asn1t.h>
|
||||
#include <openssl/x509.h>
|
||||
#include <openssl/x509v3.h>
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/pem.h>
|
||||
#include <openssl/bio.h>
|
||||
@@ -593,3 +593,60 @@ STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms)
|
||||
}
|
||||
return crls;
|
||||
}
|
||||
|
||||
int cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert)
|
||||
{
|
||||
int ret;
|
||||
ret = X509_NAME_cmp(ias->issuer, X509_get_issuer_name(cert));
|
||||
if (ret)
|
||||
return ret;
|
||||
return ASN1_INTEGER_cmp(ias->serialNumber, X509_get_serialNumber(cert));
|
||||
}
|
||||
|
||||
int cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert)
|
||||
{
|
||||
X509_check_purpose(cert, -1, -1);
|
||||
if (!cert->skid)
|
||||
return -1;
|
||||
return ASN1_OCTET_STRING_cmp(keyid, cert->skid);
|
||||
}
|
||||
|
||||
int cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert)
|
||||
{
|
||||
CMS_IssuerAndSerialNumber *ias;
|
||||
ias = M_ASN1_new_of(CMS_IssuerAndSerialNumber);
|
||||
if (!ias)
|
||||
goto err;
|
||||
if (!X509_NAME_set(&ias->issuer, X509_get_issuer_name(cert)))
|
||||
goto err;
|
||||
if (!ASN1_STRING_copy(ias->serialNumber, X509_get_serialNumber(cert)))
|
||||
goto err;
|
||||
if (*pias)
|
||||
M_ASN1_free_of(*pias, CMS_IssuerAndSerialNumber);
|
||||
*pias = ias;
|
||||
return 1;
|
||||
err:
|
||||
if (ias)
|
||||
M_ASN1_free_of(ias, CMS_IssuerAndSerialNumber);
|
||||
CMSerr(CMS_F_CMS_SET1_IAS, ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert)
|
||||
{
|
||||
ASN1_OCTET_STRING *keyid = NULL;
|
||||
X509_check_purpose(cert, -1, -1);
|
||||
if (!cert->skid) {
|
||||
CMSerr(CMS_F_CMS_SET1_KEYID, CMS_R_CERTIFICATE_HAS_NO_KEYID);
|
||||
return 0;
|
||||
}
|
||||
keyid = ASN1_STRING_dup(cert->skid);
|
||||
if (!keyid) {
|
||||
CMSerr(CMS_F_CMS_SET1_KEYID, ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
if (*pkeyid)
|
||||
ASN1_OCTET_STRING_free(*pkeyid);
|
||||
*pkeyid = keyid;
|
||||
return 1;
|
||||
}
|
||||
|
||||
@@ -55,6 +55,7 @@
|
||||
#include "cryptlib.h"
|
||||
#include <openssl/asn1t.h>
|
||||
#include <openssl/pem.h>
|
||||
#include <openssl/x509.h>
|
||||
#include <openssl/x509v3.h>
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/cms.h>
|
||||
@@ -197,27 +198,13 @@ int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type)
|
||||
{
|
||||
switch (type) {
|
||||
case CMS_SIGNERINFO_ISSUER_SERIAL:
|
||||
sid->d.issuerAndSerialNumber =
|
||||
M_ASN1_new_of(CMS_IssuerAndSerialNumber);
|
||||
if (!sid->d.issuerAndSerialNumber)
|
||||
goto merr;
|
||||
if (!X509_NAME_set(&sid->d.issuerAndSerialNumber->issuer,
|
||||
X509_get_issuer_name(cert)))
|
||||
goto merr;
|
||||
if (!ASN1_STRING_copy(sid->d.issuerAndSerialNumber->serialNumber,
|
||||
X509_get_serialNumber(cert)))
|
||||
goto merr;
|
||||
if (!cms_set1_ias(&sid->d.issuerAndSerialNumber, cert))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case CMS_SIGNERINFO_KEYIDENTIFIER:
|
||||
if (!cert->skid) {
|
||||
CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER,
|
||||
CMS_R_CERTIFICATE_HAS_NO_KEYID);
|
||||
if (!cms_set1_keyid(&sid->d.subjectKeyIdentifier, cert))
|
||||
return 0;
|
||||
}
|
||||
sid->d.subjectKeyIdentifier = ASN1_STRING_dup(cert->skid);
|
||||
if (!sid->d.subjectKeyIdentifier)
|
||||
goto merr;
|
||||
break;
|
||||
|
||||
default:
|
||||
@@ -228,11 +215,6 @@ int cms_set1_SignerIdentifier(CMS_SignerIdentifier *sid, X509 *cert, int type)
|
||||
sid->type = type;
|
||||
|
||||
return 1;
|
||||
|
||||
merr:
|
||||
CMSerr(CMS_F_CMS_SET1_SIGNERIDENTIFIER, ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
|
||||
@@ -255,23 +237,32 @@ int cms_SignerIdentifier_get0_signer_id(CMS_SignerIdentifier *sid,
|
||||
|
||||
int cms_SignerIdentifier_cert_cmp(CMS_SignerIdentifier *sid, X509 *cert)
|
||||
{
|
||||
int ret;
|
||||
if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL) {
|
||||
ret = X509_NAME_cmp(sid->d.issuerAndSerialNumber->issuer,
|
||||
X509_get_issuer_name(cert));
|
||||
if (ret)
|
||||
return ret;
|
||||
return ASN1_INTEGER_cmp(sid->d.issuerAndSerialNumber->serialNumber,
|
||||
X509_get_serialNumber(cert));
|
||||
} else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER) {
|
||||
X509_check_purpose(cert, -1, -1);
|
||||
if (!cert->skid)
|
||||
return -1;
|
||||
return ASN1_OCTET_STRING_cmp(sid->d.subjectKeyIdentifier, cert->skid);
|
||||
} else
|
||||
if (sid->type == CMS_SIGNERINFO_ISSUER_SERIAL)
|
||||
return cms_ias_cert_cmp(sid->d.issuerAndSerialNumber, cert);
|
||||
else if (sid->type == CMS_SIGNERINFO_KEYIDENTIFIER)
|
||||
return cms_keyid_cert_cmp(sid->d.subjectKeyIdentifier, cert);
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int cms_sd_asn1_ctrl(CMS_SignerInfo *si, int cmd)
|
||||
{
|
||||
EVP_PKEY *pkey = si->pkey;
|
||||
int i;
|
||||
if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
|
||||
return 1;
|
||||
i = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_CMS_SIGN, cmd, si);
|
||||
if (i == -2) {
|
||||
CMSerr(CMS_F_CMS_SD_ASN1_CTRL, CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
|
||||
return 0;
|
||||
}
|
||||
if (i <= 0) {
|
||||
CMSerr(CMS_F_CMS_SD_ASN1_CTRL, CMS_R_CTRL_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
|
||||
X509 *signer, EVP_PKEY *pk, const EVP_MD *md,
|
||||
unsigned int flags)
|
||||
@@ -298,6 +289,8 @@ CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
|
||||
|
||||
si->pkey = pk;
|
||||
si->signer = signer;
|
||||
EVP_MD_CTX_init(&si->mctx);
|
||||
si->pctx = NULL;
|
||||
|
||||
if (flags & CMS_USE_KEYID) {
|
||||
si->version = 3;
|
||||
@@ -350,19 +343,8 @@ CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
|
||||
}
|
||||
}
|
||||
|
||||
if (pk->ameth && pk->ameth->pkey_ctrl) {
|
||||
i = pk->ameth->pkey_ctrl(pk, ASN1_PKEY_CTRL_CMS_SIGN, 0, si);
|
||||
if (i == -2) {
|
||||
CMSerr(CMS_F_CMS_ADD1_SIGNER,
|
||||
CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
|
||||
goto err;
|
||||
}
|
||||
if (i <= 0) {
|
||||
CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_CTRL_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (!(flags & CMS_KEY_PARAM) && !cms_sd_asn1_ctrl(si, 0))
|
||||
goto err;
|
||||
if (!(flags & CMS_NOATTR)) {
|
||||
/*
|
||||
* Initialialize signed attributes strutucture so other attributes
|
||||
@@ -386,7 +368,8 @@ CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
|
||||
if (flags & CMS_REUSE_DIGEST) {
|
||||
if (!cms_copy_messageDigest(cms, si))
|
||||
goto err;
|
||||
if (!(flags & CMS_PARTIAL) && !CMS_SignerInfo_sign(si))
|
||||
if (!(flags & (CMS_PARTIAL | CMS_KEY_PARAM)) &&
|
||||
!CMS_SignerInfo_sign(si))
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
@@ -397,6 +380,20 @@ CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
|
||||
goto merr;
|
||||
}
|
||||
|
||||
if (flags & CMS_KEY_PARAM) {
|
||||
if (flags & CMS_NOATTR) {
|
||||
si->pctx = EVP_PKEY_CTX_new(si->pkey, NULL);
|
||||
if (!si->pctx)
|
||||
goto err;
|
||||
if (EVP_PKEY_sign_init(si->pctx) <= 0)
|
||||
goto err;
|
||||
if (EVP_PKEY_CTX_set_signature_md(si->pctx, md) <= 0)
|
||||
goto err;
|
||||
} else if (EVP_DigestSignInit(&si->mctx, &si->pctx, md, NULL, pk) <=
|
||||
0)
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (!sd->signerInfos)
|
||||
sd->signerInfos = sk_CMS_SignerInfo_new_null();
|
||||
if (!sd->signerInfos || !sk_CMS_SignerInfo_push(sd->signerInfos, si))
|
||||
@@ -443,6 +440,16 @@ static int cms_add1_signingTime(CMS_SignerInfo *si, ASN1_TIME *t)
|
||||
|
||||
}
|
||||
|
||||
EVP_PKEY_CTX *CMS_SignerInfo_get0_pkey_ctx(CMS_SignerInfo *si)
|
||||
{
|
||||
return si->pctx;
|
||||
}
|
||||
|
||||
EVP_MD_CTX *CMS_SignerInfo_get0_md_ctx(CMS_SignerInfo *si)
|
||||
{
|
||||
return &si->mctx;
|
||||
}
|
||||
|
||||
STACK_OF(CMS_SignerInfo) *CMS_get0_SignerInfos(CMS_ContentInfo *cms)
|
||||
{
|
||||
CMS_SignedData *sd;
|
||||
@@ -561,11 +568,17 @@ void CMS_SignerInfo_get0_algs(CMS_SignerInfo *si, EVP_PKEY **pk,
|
||||
*psig = si->signatureAlgorithm;
|
||||
}
|
||||
|
||||
ASN1_OCTET_STRING *CMS_SignerInfo_get0_signature(CMS_SignerInfo *si)
|
||||
{
|
||||
return si->signature;
|
||||
}
|
||||
|
||||
static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,
|
||||
CMS_SignerInfo *si, BIO *chain)
|
||||
{
|
||||
EVP_MD_CTX mctx;
|
||||
int r = 0;
|
||||
EVP_PKEY_CTX *pctx = NULL;
|
||||
EVP_MD_CTX_init(&mctx);
|
||||
|
||||
if (!si->pkey) {
|
||||
@@ -575,6 +588,9 @@ static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,
|
||||
|
||||
if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm))
|
||||
goto err;
|
||||
/* Set SignerInfo algortihm details if we used custom parametsr */
|
||||
if (si->pctx && !cms_sd_asn1_ctrl(si, 0))
|
||||
goto err;
|
||||
|
||||
/*
|
||||
* If any signed attributes calculate and add messageDigest attribute
|
||||
@@ -596,6 +612,23 @@ static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,
|
||||
goto err;
|
||||
if (!CMS_SignerInfo_sign(si))
|
||||
goto err;
|
||||
} else if (si->pctx) {
|
||||
unsigned char *sig;
|
||||
size_t siglen;
|
||||
unsigned char md[EVP_MAX_MD_SIZE];
|
||||
unsigned int mdlen;
|
||||
pctx = si->pctx;
|
||||
if (!EVP_DigestFinal_ex(&mctx, md, &mdlen))
|
||||
goto err;
|
||||
siglen = EVP_PKEY_size(si->pkey);
|
||||
sig = OPENSSL_malloc(siglen);
|
||||
if (!sig) {
|
||||
CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0)
|
||||
goto err;
|
||||
ASN1_STRING_set0(si->signature, sig, siglen);
|
||||
} else {
|
||||
unsigned char *sig;
|
||||
unsigned int siglen;
|
||||
@@ -616,6 +649,8 @@ static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms,
|
||||
|
||||
err:
|
||||
EVP_MD_CTX_cleanup(&mctx);
|
||||
if (pctx)
|
||||
EVP_PKEY_CTX_free(pctx);
|
||||
return r;
|
||||
|
||||
}
|
||||
@@ -637,7 +672,7 @@ int cms_SignedData_final(CMS_ContentInfo *cms, BIO *chain)
|
||||
|
||||
int CMS_SignerInfo_sign(CMS_SignerInfo *si)
|
||||
{
|
||||
EVP_MD_CTX mctx;
|
||||
EVP_MD_CTX *mctx = &si->mctx;
|
||||
EVP_PKEY_CTX *pctx;
|
||||
unsigned char *abuf = NULL;
|
||||
int alen;
|
||||
@@ -648,15 +683,18 @@ int CMS_SignerInfo_sign(CMS_SignerInfo *si)
|
||||
if (md == NULL)
|
||||
return 0;
|
||||
|
||||
EVP_MD_CTX_init(&mctx);
|
||||
|
||||
if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) {
|
||||
if (!cms_add1_signingTime(si, NULL))
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (EVP_DigestSignInit(&mctx, &pctx, md, NULL, si->pkey) <= 0)
|
||||
goto err;
|
||||
if (si->pctx)
|
||||
pctx = si->pctx;
|
||||
else {
|
||||
EVP_MD_CTX_init(mctx);
|
||||
if (EVP_DigestSignInit(mctx, &pctx, md, NULL, si->pkey) <= 0)
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
|
||||
EVP_PKEY_CTRL_CMS_SIGN, 0, si) <= 0) {
|
||||
@@ -668,15 +706,15 @@ int CMS_SignerInfo_sign(CMS_SignerInfo *si)
|
||||
ASN1_ITEM_rptr(CMS_Attributes_Sign));
|
||||
if (!abuf)
|
||||
goto err;
|
||||
if (EVP_DigestSignUpdate(&mctx, abuf, alen) <= 0)
|
||||
if (EVP_DigestSignUpdate(mctx, abuf, alen) <= 0)
|
||||
goto err;
|
||||
if (EVP_DigestSignFinal(&mctx, NULL, &siglen) <= 0)
|
||||
if (EVP_DigestSignFinal(mctx, NULL, &siglen) <= 0)
|
||||
goto err;
|
||||
OPENSSL_free(abuf);
|
||||
abuf = OPENSSL_malloc(siglen);
|
||||
if (!abuf)
|
||||
goto err;
|
||||
if (EVP_DigestSignFinal(&mctx, abuf, &siglen) <= 0)
|
||||
if (EVP_DigestSignFinal(mctx, abuf, &siglen) <= 0)
|
||||
goto err;
|
||||
|
||||
if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
|
||||
@@ -685,7 +723,7 @@ int CMS_SignerInfo_sign(CMS_SignerInfo *si)
|
||||
goto err;
|
||||
}
|
||||
|
||||
EVP_MD_CTX_cleanup(&mctx);
|
||||
EVP_MD_CTX_cleanup(mctx);
|
||||
|
||||
ASN1_STRING_set0(si->signature, abuf, siglen);
|
||||
|
||||
@@ -694,15 +732,14 @@ int CMS_SignerInfo_sign(CMS_SignerInfo *si)
|
||||
err:
|
||||
if (abuf)
|
||||
OPENSSL_free(abuf);
|
||||
EVP_MD_CTX_cleanup(&mctx);
|
||||
EVP_MD_CTX_cleanup(mctx);
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
int CMS_SignerInfo_verify(CMS_SignerInfo *si)
|
||||
{
|
||||
EVP_MD_CTX mctx;
|
||||
EVP_PKEY_CTX *pctx;
|
||||
EVP_MD_CTX *mctx = &si->mctx;
|
||||
unsigned char *abuf = NULL;
|
||||
int alen, r = -1;
|
||||
const EVP_MD *md = NULL;
|
||||
@@ -715,26 +752,29 @@ int CMS_SignerInfo_verify(CMS_SignerInfo *si)
|
||||
md = EVP_get_digestbyobj(si->digestAlgorithm->algorithm);
|
||||
if (md == NULL)
|
||||
return -1;
|
||||
EVP_MD_CTX_init(&mctx);
|
||||
if (EVP_DigestVerifyInit(&mctx, &pctx, md, NULL, si->pkey) <= 0)
|
||||
EVP_MD_CTX_init(mctx);
|
||||
if (EVP_DigestVerifyInit(mctx, &si->pctx, md, NULL, si->pkey) <= 0)
|
||||
goto err;
|
||||
|
||||
if (!cms_sd_asn1_ctrl(si, 1))
|
||||
goto err;
|
||||
|
||||
alen = ASN1_item_i2d((ASN1_VALUE *)si->signedAttrs, &abuf,
|
||||
ASN1_ITEM_rptr(CMS_Attributes_Verify));
|
||||
if (!abuf)
|
||||
goto err;
|
||||
r = EVP_DigestVerifyUpdate(&mctx, abuf, alen);
|
||||
r = EVP_DigestVerifyUpdate(mctx, abuf, alen);
|
||||
OPENSSL_free(abuf);
|
||||
if (r <= 0) {
|
||||
r = -1;
|
||||
goto err;
|
||||
}
|
||||
r = EVP_DigestVerifyFinal(&mctx,
|
||||
r = EVP_DigestVerifyFinal(mctx,
|
||||
si->signature->data, si->signature->length);
|
||||
if (r <= 0)
|
||||
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_VERIFICATION_FAILURE);
|
||||
err:
|
||||
EVP_MD_CTX_cleanup(&mctx);
|
||||
EVP_MD_CTX_cleanup(mctx);
|
||||
return r;
|
||||
}
|
||||
|
||||
@@ -773,7 +813,10 @@ int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
|
||||
{
|
||||
ASN1_OCTET_STRING *os = NULL;
|
||||
EVP_MD_CTX mctx;
|
||||
EVP_PKEY_CTX *pkctx = NULL;
|
||||
int r = -1;
|
||||
unsigned char mval[EVP_MAX_MD_SIZE];
|
||||
unsigned int mlen;
|
||||
EVP_MD_CTX_init(&mctx);
|
||||
/* If we have any signed attributes look for messageDigest value */
|
||||
if (CMS_signed_get_attr_count(si) >= 0) {
|
||||
@@ -790,16 +833,15 @@ int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
|
||||
if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, si->digestAlgorithm))
|
||||
goto err;
|
||||
|
||||
if (EVP_DigestFinal_ex(&mctx, mval, &mlen) <= 0) {
|
||||
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
|
||||
CMS_R_UNABLE_TO_FINALIZE_CONTEXT);
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* If messageDigest found compare it */
|
||||
|
||||
if (os) {
|
||||
unsigned char mval[EVP_MAX_MD_SIZE];
|
||||
unsigned int mlen;
|
||||
if (EVP_DigestFinal_ex(&mctx, mval, &mlen) <= 0) {
|
||||
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
|
||||
CMS_R_UNABLE_TO_FINALIZE_CONTEXT);
|
||||
goto err;
|
||||
}
|
||||
if (mlen != (unsigned int)os->length) {
|
||||
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
|
||||
CMS_R_MESSAGEDIGEST_ATTRIBUTE_WRONG_LENGTH);
|
||||
@@ -813,8 +855,19 @@ int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
|
||||
} else
|
||||
r = 1;
|
||||
} else {
|
||||
r = EVP_VerifyFinal(&mctx, si->signature->data,
|
||||
si->signature->length, si->pkey);
|
||||
const EVP_MD *md = EVP_MD_CTX_md(&mctx);
|
||||
pkctx = EVP_PKEY_CTX_new(si->pkey, NULL);
|
||||
if (pkctx == NULL)
|
||||
goto err;
|
||||
if (EVP_PKEY_verify_init(pkctx) <= 0)
|
||||
goto err;
|
||||
if (EVP_PKEY_CTX_set_signature_md(pkctx, md) <= 0)
|
||||
goto err;
|
||||
si->pctx = pkctx;
|
||||
if (!cms_sd_asn1_ctrl(si, 1))
|
||||
goto err;
|
||||
r = EVP_PKEY_verify(pkctx, si->signature->data,
|
||||
si->signature->length, mval, mlen);
|
||||
if (r <= 0) {
|
||||
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT,
|
||||
CMS_R_VERIFICATION_FAILURE);
|
||||
@@ -823,6 +876,8 @@ int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain)
|
||||
}
|
||||
|
||||
err:
|
||||
if (pkctx)
|
||||
EVP_PKEY_CTX_free(pkctx);
|
||||
EVP_MD_CTX_cleanup(&mctx);
|
||||
return r;
|
||||
|
||||
|
||||
@@ -59,6 +59,7 @@
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/cms.h>
|
||||
#include "cms_lcl.h"
|
||||
#include "asn1_locl.h"
|
||||
|
||||
static int cms_copy_content(BIO *out, BIO *in, unsigned int flags)
|
||||
{
|
||||
@@ -373,7 +374,7 @@ int CMS_verify(CMS_ContentInfo *cms, STACK_OF(X509) *certs,
|
||||
tmpin = BIO_new_mem_buf(ptr, len);
|
||||
if (tmpin == NULL) {
|
||||
CMSerr(CMS_F_CMS_VERIFY, ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
goto err2;
|
||||
}
|
||||
} else
|
||||
tmpin = dcont;
|
||||
@@ -404,6 +405,7 @@ int CMS_verify(CMS_ContentInfo *cms, STACK_OF(X509) *certs,
|
||||
else
|
||||
BIO_free_all(cmsbio);
|
||||
|
||||
err2:
|
||||
if (cms_certs)
|
||||
sk_X509_pop_free(cms_certs, X509_free);
|
||||
if (crls)
|
||||
@@ -567,25 +569,63 @@ CMS_ContentInfo *CMS_encrypt(STACK_OF(X509) *certs, BIO *data,
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int cms_kari_set1_pkey(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
|
||||
EVP_PKEY *pk, X509 *cert)
|
||||
{
|
||||
int i;
|
||||
STACK_OF(CMS_RecipientEncryptedKey) *reks;
|
||||
CMS_RecipientEncryptedKey *rek;
|
||||
reks = CMS_RecipientInfo_kari_get0_reks(ri);
|
||||
if (!cert)
|
||||
return 0;
|
||||
for (i = 0; i < sk_CMS_RecipientEncryptedKey_num(reks); i++) {
|
||||
int rv;
|
||||
rek = sk_CMS_RecipientEncryptedKey_value(reks, i);
|
||||
if (CMS_RecipientEncryptedKey_cert_cmp(rek, cert))
|
||||
continue;
|
||||
CMS_RecipientInfo_kari_set0_pkey(ri, pk);
|
||||
rv = CMS_RecipientInfo_kari_decrypt(cms, ri, rek);
|
||||
CMS_RecipientInfo_kari_set0_pkey(ri, NULL);
|
||||
if (rv > 0)
|
||||
return 1;
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int CMS_decrypt_set1_pkey(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert)
|
||||
{
|
||||
STACK_OF(CMS_RecipientInfo) *ris;
|
||||
CMS_RecipientInfo *ri;
|
||||
int i, r;
|
||||
int debug = 0, ri_match = 0;
|
||||
int i, r, ri_type;
|
||||
int debug = 0, match_ri = 0;
|
||||
ris = CMS_get0_RecipientInfos(cms);
|
||||
if (ris)
|
||||
debug = cms->d.envelopedData->encryptedContentInfo->debug;
|
||||
ri_type = cms_pkey_get_ri_type(pk);
|
||||
if (ri_type == CMS_RECIPINFO_NONE) {
|
||||
CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY,
|
||||
CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
for (i = 0; i < sk_CMS_RecipientInfo_num(ris); i++) {
|
||||
ri = sk_CMS_RecipientInfo_value(ris, i);
|
||||
if (CMS_RecipientInfo_type(ri) != CMS_RECIPINFO_TRANS)
|
||||
if (CMS_RecipientInfo_type(ri) != ri_type)
|
||||
continue;
|
||||
ri_match = 1;
|
||||
match_ri = 1;
|
||||
if (ri_type == CMS_RECIPINFO_AGREE) {
|
||||
r = cms_kari_set1_pkey(cms, ri, pk, cert);
|
||||
if (r > 0)
|
||||
return 1;
|
||||
if (r < 0)
|
||||
return 0;
|
||||
}
|
||||
/*
|
||||
* If we have a cert try matching RecipientInfo otherwise try them
|
||||
* all.
|
||||
*/
|
||||
if (!cert || (CMS_RecipientInfo_ktri_cert_cmp(ri, cert) == 0)) {
|
||||
else if (!cert || !CMS_RecipientInfo_ktri_cert_cmp(ri, cert)) {
|
||||
CMS_RecipientInfo_set0_pkey(ri, pk);
|
||||
r = CMS_RecipientInfo_decrypt(cms, ri);
|
||||
CMS_RecipientInfo_set0_pkey(ri, NULL);
|
||||
@@ -613,7 +653,7 @@ int CMS_decrypt_set1_pkey(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert)
|
||||
}
|
||||
}
|
||||
/* If no cert and not debugging always return success */
|
||||
if (ri_match && !cert && !debug) {
|
||||
if (match_ri && !cert && !debug) {
|
||||
ERR_clear_error();
|
||||
return 1;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user