diff options
Diffstat (limited to 'crypto/openssl/crypto/cms/cms_smime.c')
-rw-r--r-- | crypto/openssl/crypto/cms/cms_smime.c | 54 |
1 files changed, 47 insertions, 7 deletions
diff --git a/crypto/openssl/crypto/cms/cms_smime.c b/crypto/openssl/crypto/cms/cms_smime.c index 8b37560..5522a37 100644 --- a/crypto/openssl/crypto/cms/cms_smime.c +++ b/crypto/openssl/crypto/cms/cms_smime.c @@ -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; } |