* project.
*/
/* ====================================================================
- * Copyright (c) 1999-2003 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2004 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
#include <openssl/x509.h>
#include <openssl/x509v3.h>
+static int pkcs7_copy_existing_digest(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
+
PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
BIO *data, int flags)
{
PKCS7 *p7;
- PKCS7_SIGNER_INFO *si;
- BIO *p7bio;
- STACK_OF(X509_ALGOR) *smcap;
int i;
- if(!X509_check_private_key(signcert, pkey)) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
- return NULL;
- }
-
- if(!(p7 = PKCS7_new())) {
+ if(!(p7 = PKCS7_new()))
+ {
PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
return NULL;
- }
+ }
- PKCS7_set_type(p7, NID_pkcs7_signed);
+ if (!PKCS7_set_type(p7, NID_pkcs7_signed))
+ goto err;
- PKCS7_content_new(p7, NID_pkcs7_data);
+ if (!PKCS7_content_new(p7, NID_pkcs7_data))
+ goto err;
- if (!(si = PKCS7_add_signature(p7,signcert,pkey,EVP_sha1()))) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR);
- return NULL;
- }
+ if (pkey && !PKCS7_sign_add_signer(p7, signcert, pkey, NULL, flags))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_ADD_SIGNER_ERROR);
+ goto err;
+ }
- if(!(flags & PKCS7_NOCERTS)) {
- PKCS7_add_certificate(p7, signcert);
- if(certs) for(i = 0; i < sk_X509_num(certs); i++)
- PKCS7_add_certificate(p7, sk_X509_value(certs, i));
- }
+ if(!(flags & PKCS7_NOCERTS))
+ {
+ for(i = 0; i < sk_X509_num(certs); i++)
+ {
+ if (!PKCS7_add_certificate(p7, sk_X509_value(certs, i)))
+ goto err;
+ }
+ }
- if(!(flags & PKCS7_NOATTR)) {
- PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
- V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data));
- /* Add SMIMECapabilities */
- if(!(flags & PKCS7_NOSMIMECAP))
+ if(flags & PKCS7_DETACHED)
+ PKCS7_set_detached(p7, 1);
+
+ if (flags & (PKCS7_STREAM|PKCS7_PARTIAL))
+ return p7;
+
+ if (PKCS7_final(p7, data, flags))
+ return p7;
+
+ err:
+ PKCS7_free(p7);
+ return NULL;
+}
+
+int PKCS7_final(PKCS7 *p7, BIO *data, int flags)
+ {
+ BIO *p7bio;
+ int ret = 0;
+ if (!(p7bio = PKCS7_dataInit(p7, NULL)))
{
- if(!(smcap = sk_X509_ALGOR_new_null())) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
- return NULL;
+ PKCS7err(PKCS7_F_PKCS7_FINAL,ERR_R_MALLOC_FAILURE);
+ return 0;
}
-#ifndef OPENSSL_NO_DES
- PKCS7_simple_smimecap (smcap, NID_des_ede3_cbc, -1);
-#endif
-#ifndef OPENSSL_NO_RC2
- PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 128);
- PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 64);
-#endif
-#ifndef OPENSSL_NO_DES
- PKCS7_simple_smimecap (smcap, NID_des_cbc, -1);
-#endif
-#ifndef OPENSSL_NO_RC2
- PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 40);
-#endif
- PKCS7_add_attrib_smimecap (si, smcap);
- sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
+
+ SMIME_crlf_copy(data, p7bio, flags);
+
+ BIO_flush(p7bio);
+
+
+ if (!PKCS7_dataFinal(p7,p7bio))
+ {
+ PKCS7err(PKCS7_F_PKCS7_FINAL,PKCS7_R_PKCS7_DATASIGN);
+ goto err;
}
+
+ ret = 1;
+
+ err:
+ BIO_free_all(p7bio);
+
+ return ret;
+
}
- if (flags & PKCS7_STREAM)
- return p7;
+/* Check to see if a cipher exists and if so add S/MIME capabilities */
- if (!(p7bio = PKCS7_dataInit(p7, NULL))) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
- return NULL;
+static int add_cipher_smcap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
+ {
+ if (EVP_get_cipherbynid(nid))
+ return PKCS7_simple_smimecap(sk, nid, arg);
+ return 1;
}
- SMIME_crlf_copy(data, p7bio, flags);
+static int add_digest_smcap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
+ {
+ if (EVP_get_digestbynid(nid))
+ return PKCS7_simple_smimecap(sk, nid, arg);
+ return 1;
+ }
- if(flags & PKCS7_DETACHED)PKCS7_set_detached(p7, 1);
+PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7, X509 *signcert,
+ EVP_PKEY *pkey, const EVP_MD *md,
+ int flags)
+ {
+ PKCS7_SIGNER_INFO *si = NULL;
+ int si_free = 1;
+ STACK_OF(X509_ALGOR) *smcap = NULL;
+ if(!X509_check_private_key(signcert, pkey))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN_ADD_SIGNER,
+ PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
+ return NULL;
+ }
- if (!PKCS7_dataFinal(p7,p7bio)) {
- PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_DATASIGN);
+ if (!(si = PKCS7_add_signature(p7,signcert,pkey, md)))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN_ADD_SIGNER,
+ PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR);
return NULL;
+ }
+
+ /* si is now part of p7 so don't free it on error */
+
+ si_free = 0;
+
+ if(!(flags & PKCS7_NOCERTS))
+ {
+ if (!PKCS7_add_certificate(p7, signcert))
+ goto err;
+ }
+
+ if(!(flags & PKCS7_NOATTR))
+ {
+ if (!PKCS7_add_attrib_content_type(si, NULL))
+ goto err;
+ /* Add SMIMECapabilities */
+ if(!(flags & PKCS7_NOSMIMECAP))
+ {
+ if(!(smcap = sk_X509_ALGOR_new_null()))
+ {
+ PKCS7err(PKCS7_F_PKCS7_SIGN_ADD_SIGNER,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!add_cipher_smcap(smcap, NID_aes_256_cbc, -1)
+ || !add_digest_smcap(smcap, NID_id_GostR3411_94, -1)
+ || !add_cipher_smcap(smcap, NID_id_Gost28147_89, -1)
+ || !add_cipher_smcap(smcap, NID_aes_192_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_aes_128_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_des_ede3_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_rc2_cbc, 128)
+ || !add_cipher_smcap(smcap, NID_rc2_cbc, 64)
+ || !add_cipher_smcap(smcap, NID_des_cbc, -1)
+ || !add_cipher_smcap(smcap, NID_rc2_cbc, 40)
+ || !PKCS7_add_attrib_smimecap (si, smcap))
+ goto err;
+ sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
+ smcap = NULL;
+ }
+ if (flags & PKCS7_REUSE_DIGEST)
+ {
+ if (!pkcs7_copy_existing_digest(p7, si))
+ goto err;
+ if (!PKCS7_SIGNER_INFO_sign(si))
+ goto err;
+ }
+ }
+ return si;
+ err:
+ if (smcap)
+ sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
+ if (si && si_free)
+ PKCS7_SIGNER_INFO_free(si);
+ return NULL;
}
- BIO_free_all(p7bio);
- return p7;
-}
+/* Search for a digest matching SignerInfo digest type and if found
+ * copy across.
+ */
+
+static int pkcs7_copy_existing_digest(PKCS7 *p7, PKCS7_SIGNER_INFO *si)
+ {
+ int i;
+ STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
+ PKCS7_SIGNER_INFO *sitmp;
+ ASN1_OCTET_STRING *osdig = NULL;
+ sinfos = PKCS7_get_signer_info(p7);
+ for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++)
+ {
+ sitmp = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
+ if (si == sitmp)
+ break;
+ if (sk_X509_ATTRIBUTE_num(sitmp->auth_attr) <= 0)
+ continue;
+ if (!OBJ_cmp(si->digest_alg->algorithm,
+ sitmp->digest_alg->algorithm))
+ {
+ osdig = PKCS7_digest_from_attributes(sitmp->auth_attr);
+ break;
+ }
+
+ }
+
+ if (osdig)
+ return PKCS7_add1_attrib_digest(si, osdig->data, osdig->length);
+
+ PKCS7err(PKCS7_F_PKCS7_COPY_EXISTING_DIGEST,
+ PKCS7_R_NO_MATCHING_DIGEST_TYPE_FOUND);
+ return 0;
+ }
int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
BIO *indata, BIO *out, int flags)
if (tmpin == indata)
{
- if(indata) BIO_pop(p7bio);
- BIO_free_all(p7bio);
+ if (indata) BIO_pop(p7bio);
}
- else
- BIO_free_all(tmpin);
+ BIO_free_all(p7bio);
sk_X509_free(signers);
PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_WRONG_CONTENT_TYPE);
return NULL;
}
- if(!(signers = sk_X509_new_null())) {
- PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,ERR_R_MALLOC_FAILURE);
- return NULL;
- }
/* Collect all the signers together */
return 0;
}
+ if(!(signers = sk_X509_new_null())) {
+ PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++)
{
si = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
}
}
- if(!(p7bio = PKCS7_dataInit(p7, NULL))) {
- PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- SMIME_crlf_copy(in, p7bio, flags);
-
- BIO_flush(p7bio);
-
- if (!PKCS7_dataFinal(p7,p7bio)) {
- PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_PKCS7_DATAFINAL_ERROR);
- goto err;
- }
- BIO_free_all(p7bio);
+ if (flags & PKCS7_STREAM)
+ return p7;
- return p7;
+ if (PKCS7_final(p7, in, flags))
+ return p7;
err:
return 0;
}
- if(!X509_check_private_key(cert, pkey)) {
+ if(cert && !X509_check_private_key(cert, pkey)) {
PKCS7err(PKCS7_F_PKCS7_DECRYPT,
PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
return 0;
projects / openssl.git / blobdiff