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Diffstat (limited to 'crypto/openssl/crypto/cms/cms_smime.c')
-rw-r--r--crypto/openssl/crypto/cms/cms_smime.c54
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;
}
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