-/* crypto/pkcs7/pk7_doit.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
#include <openssl/rand.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/err.h>
+#include "internal/cryptlib.h"
+#include "internal/sizes.h"
+#include "crypto/evp.h"
+#include "pk7_local.h"
static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
void *value);
-static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid);
+static ASN1_TYPE *get_attribute(const STACK_OF(X509_ATTRIBUTE) *sk, int nid);
-static int PKCS7_type_is_other(PKCS7 *p7)
+int PKCS7_type_is_other(PKCS7 *p7)
{
int isOther = 1;
}
-static ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7)
+ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7)
{
if (PKCS7_type_is_data(p7))
return p7->d.data;
return NULL;
}
-static int PKCS7_bio_add_digest(BIO **pbio, X509_ALGOR *alg)
+static int pkcs7_bio_add_digest(BIO **pbio, X509_ALGOR *alg,
+ const PKCS7_CTX *ctx)
{
BIO *btmp;
+ char name[OSSL_MAX_NAME_SIZE];
+ EVP_MD *fetched = NULL;
const EVP_MD *md;
+
if ((btmp = BIO_new(BIO_f_md())) == NULL) {
- PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, ERR_R_BIO_LIB);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_BIO_LIB);
goto err;
}
- md = EVP_get_digestbyobj(alg->algorithm);
+ OBJ_obj2txt(name, sizeof(name), alg->algorithm, 0);
+
+ (void)ERR_set_mark();
+ fetched = EVP_MD_fetch(ossl_pkcs7_ctx_get0_libctx(ctx), name,
+ ossl_pkcs7_ctx_get0_propq(ctx));
+ if (fetched != NULL)
+ md = fetched;
+ else
+ md = EVP_get_digestbyname(name);
+
if (md == NULL) {
- PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, PKCS7_R_UNKNOWN_DIGEST_TYPE);
+ (void)ERR_clear_last_mark();
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNKNOWN_DIGEST_TYPE);
goto err;
}
+ (void)ERR_pop_to_mark();
- BIO_set_md(btmp, md);
+ if (BIO_set_md(btmp, md) <= 0) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_BIO_LIB);
+ EVP_MD_free(fetched);
+ goto err;
+ }
+ EVP_MD_free(fetched);
if (*pbio == NULL)
*pbio = btmp;
else if (!BIO_push(*pbio, btmp)) {
- PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST, ERR_R_BIO_LIB);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_BIO_LIB);
goto err;
}
btmp = NULL;
return 1;
err:
- if (btmp)
- BIO_free(btmp);
+ BIO_free(btmp);
return 0;
-
}
static int pkcs7_encode_rinfo(PKCS7_RECIP_INFO *ri,
unsigned char *ek = NULL;
int ret = 0;
size_t eklen;
+ const PKCS7_CTX *ctx = ri->ctx;
- pkey = X509_get_pubkey(ri->cert);
-
- if (!pkey)
+ pkey = X509_get0_pubkey(ri->cert);
+ if (pkey == NULL)
return 0;
- pctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (!pctx)
+ pctx = EVP_PKEY_CTX_new_from_pkey(ossl_pkcs7_ctx_get0_libctx(ctx), pkey,
+ ossl_pkcs7_ctx_get0_propq(ctx));
+ if (pctx == NULL)
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_PKCS7_ENCRYPT, 0, ri) <= 0) {
- PKCS7err(PKCS7_F_PKCS7_ENCODE_RINFO, PKCS7_R_CTRL_ERROR);
- goto err;
- }
-
if (EVP_PKEY_encrypt(pctx, NULL, &eklen, key, keylen) <= 0)
goto err;
ek = OPENSSL_malloc(eklen);
-
- if (ek == NULL) {
- PKCS7err(PKCS7_F_PKCS7_ENCODE_RINFO, ERR_R_MALLOC_FAILURE);
+ if (ek == NULL)
goto err;
- }
if (EVP_PKEY_encrypt(pctx, ek, &eklen, key, keylen) <= 0)
goto err;
ret = 1;
err:
- if (pkey)
- EVP_PKEY_free(pkey);
- if (pctx)
- EVP_PKEY_CTX_free(pctx);
- if (ek)
- OPENSSL_free(ek);
+ EVP_PKEY_CTX_free(pctx);
+ OPENSSL_free(ek);
return ret;
}
static int pkcs7_decrypt_rinfo(unsigned char **pek, int *peklen,
- PKCS7_RECIP_INFO *ri, EVP_PKEY *pkey)
+ PKCS7_RECIP_INFO *ri, EVP_PKEY *pkey,
+ size_t fixlen)
{
EVP_PKEY_CTX *pctx = NULL;
unsigned char *ek = NULL;
size_t eklen;
-
int ret = -1;
+ const PKCS7_CTX *ctx = ri->ctx;
- pctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (!pctx)
+ pctx = EVP_PKEY_CTX_new_from_pkey(ossl_pkcs7_ctx_get0_libctx(ctx), pkey,
+ ossl_pkcs7_ctx_get0_propq(ctx));
+ if (pctx == NULL)
return -1;
if (EVP_PKEY_decrypt_init(pctx) <= 0)
goto err;
- if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DECRYPT,
- EVP_PKEY_CTRL_PKCS7_DECRYPT, 0, ri) <= 0) {
- PKCS7err(PKCS7_F_PKCS7_DECRYPT_RINFO, PKCS7_R_CTRL_ERROR);
- goto err;
- }
-
- if (EVP_PKEY_decrypt(pctx, NULL, &eklen,
- ri->enc_key->data, ri->enc_key->length) <= 0)
- goto err;
-
- ek = OPENSSL_malloc(eklen);
+ if (EVP_PKEY_is_a(pkey, "RSA"))
+ /* upper layer pkcs7 code incorrectly assumes that a successful RSA
+ * decryption means that the key matches ciphertext (which never
+ * was the case, implicit rejection or not), so to make it work
+ * disable implicit rejection for RSA keys */
+ EVP_PKEY_CTX_ctrl_str(pctx, "rsa_pkcs1_implicit_rejection", "0");
- if (ek == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DECRYPT_RINFO, ERR_R_MALLOC_FAILURE);
+ ret = evp_pkey_decrypt_alloc(pctx, &ek, &eklen, fixlen,
+ ri->enc_key->data, ri->enc_key->length);
+ if (ret <= 0)
goto err;
- }
-
- if (EVP_PKEY_decrypt(pctx, ek, &eklen,
- ri->enc_key->data, ri->enc_key->length) <= 0) {
- ret = 0;
- PKCS7err(PKCS7_F_PKCS7_DECRYPT_RINFO, ERR_R_EVP_LIB);
- goto err;
- }
ret = 1;
- if (*pek) {
- OPENSSL_cleanse(*pek, *peklen);
- OPENSSL_free(*pek);
- }
-
+ OPENSSL_clear_free(*pek, *peklen);
*pek = ek;
*peklen = eklen;
err:
- if (pctx)
- EVP_PKEY_CTX_free(pctx);
- if (!ret && ek)
+ EVP_PKEY_CTX_free(pctx);
+ if (!ret)
OPENSSL_free(ek);
return ret;
int i;
BIO *out = NULL, *btmp = NULL;
X509_ALGOR *xa = NULL;
+ EVP_CIPHER *fetched_cipher = NULL;
+ const EVP_CIPHER *cipher;
const EVP_CIPHER *evp_cipher = NULL;
STACK_OF(X509_ALGOR) *md_sk = NULL;
STACK_OF(PKCS7_RECIP_INFO) *rsk = NULL;
X509_ALGOR *xalg = NULL;
PKCS7_RECIP_INFO *ri = NULL;
ASN1_OCTET_STRING *os = NULL;
+ const PKCS7_CTX *p7_ctx;
+ OSSL_LIB_CTX *libctx;
+ const char *propq;
+
+ if (p7 == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_INVALID_NULL_POINTER);
+ return NULL;
+ }
+ p7_ctx = ossl_pkcs7_get0_ctx(p7);
+ libctx = ossl_pkcs7_ctx_get0_libctx(p7_ctx);
+ propq = ossl_pkcs7_ctx_get0_propq(p7_ctx);
+
+ /*
+ * The content field in the PKCS7 ContentInfo is optional, but that really
+ * only applies to inner content (precisely, detached signatures).
+ *
+ * When reading content, missing outer content is therefore treated as an
+ * error.
+ *
+ * When creating content, PKCS7_content_new() must be called before
+ * calling this method, so a NULL p7->d is always an error.
+ */
+ if (p7->d.ptr == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_NO_CONTENT);
+ return NULL;
+ }
i = OBJ_obj2nid(p7->type);
p7->state = PKCS7_S_HEADER;
xalg = p7->d.signed_and_enveloped->enc_data->algorithm;
evp_cipher = p7->d.signed_and_enveloped->enc_data->cipher;
if (evp_cipher == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATAINIT, PKCS7_R_CIPHER_NOT_INITIALIZED);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_CIPHER_NOT_INITIALIZED);
goto err;
}
break;
xalg = p7->d.enveloped->enc_data->algorithm;
evp_cipher = p7->d.enveloped->enc_data->cipher;
if (evp_cipher == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATAINIT, PKCS7_R_CIPHER_NOT_INITIALIZED);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_CIPHER_NOT_INITIALIZED);
goto err;
}
break;
case NID_pkcs7_data:
break;
default:
- PKCS7err(PKCS7_F_PKCS7_DATAINIT, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
goto err;
}
for (i = 0; i < sk_X509_ALGOR_num(md_sk); i++)
- if (!PKCS7_bio_add_digest(&out, sk_X509_ALGOR_value(md_sk, i)))
+ if (!pkcs7_bio_add_digest(&out, sk_X509_ALGOR_value(md_sk, i), p7_ctx))
goto err;
- if (xa && !PKCS7_bio_add_digest(&out, xa))
+ if (xa && !pkcs7_bio_add_digest(&out, xa, p7_ctx))
goto err;
if (evp_cipher != NULL) {
EVP_CIPHER_CTX *ctx;
if ((btmp = BIO_new(BIO_f_cipher())) == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATAINIT, ERR_R_BIO_LIB);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_BIO_LIB);
goto err;
}
BIO_get_cipher_ctx(btmp, &ctx);
- keylen = EVP_CIPHER_key_length(evp_cipher);
- ivlen = EVP_CIPHER_iv_length(evp_cipher);
- xalg->algorithm = OBJ_nid2obj(EVP_CIPHER_type(evp_cipher));
+ keylen = EVP_CIPHER_get_key_length(evp_cipher);
+ ivlen = EVP_CIPHER_get_iv_length(evp_cipher);
+ xalg->algorithm = OBJ_nid2obj(EVP_CIPHER_get_type(evp_cipher));
if (ivlen > 0)
- if (RAND_pseudo_bytes(iv, ivlen) <= 0)
+ if (RAND_bytes_ex(libctx, iv, ivlen, 0) <= 0)
goto err;
- if (EVP_CipherInit_ex(ctx, evp_cipher, NULL, NULL, NULL, 1) <= 0)
+
+ (void)ERR_set_mark();
+ fetched_cipher = EVP_CIPHER_fetch(libctx,
+ EVP_CIPHER_get0_name(evp_cipher),
+ propq);
+ (void)ERR_pop_to_mark();
+ if (fetched_cipher != NULL)
+ cipher = fetched_cipher;
+ else
+ cipher = evp_cipher;
+
+ if (EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, 1) <= 0)
goto err;
+
+ EVP_CIPHER_free(fetched_cipher);
+ fetched_cipher = NULL;
+
if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
goto err;
if (EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, 1) <= 0)
if (xalg->parameter == NULL)
goto err;
}
- if (EVP_CIPHER_param_to_asn1(ctx, xalg->parameter) < 0)
+ if (EVP_CIPHER_param_to_asn1(ctx, xalg->parameter) <= 0)
goto err;
}
}
if (bio == NULL) {
- if (PKCS7_is_detached(p7))
+ if (PKCS7_is_detached(p7)) {
bio = BIO_new(BIO_s_null());
- else if (os && os->length > 0)
+ } else if (os && os->length > 0) {
bio = BIO_new_mem_buf(os->data, os->length);
- if (bio == NULL) {
+ } else {
bio = BIO_new(BIO_s_mem());
if (bio == NULL)
goto err;
BIO_set_mem_eof_return(bio, 0);
}
+ if (bio == NULL)
+ goto err;
}
if (out)
BIO_push(out, bio);
else
out = bio;
- bio = NULL;
- if (0) {
+ return out;
+
err:
- if (out != NULL)
- BIO_free_all(out);
- if (btmp != NULL)
- BIO_free_all(btmp);
- out = NULL;
- }
- return (out);
+ EVP_CIPHER_free(fetched_cipher);
+ BIO_free_all(out);
+ BIO_free_all(btmp);
+ return NULL;
}
static int pkcs7_cmp_ri(PKCS7_RECIP_INFO *ri, X509 *pcert)
{
int ret;
ret = X509_NAME_cmp(ri->issuer_and_serial->issuer,
- pcert->cert_info->issuer);
+ X509_get_issuer_name(pcert));
if (ret)
return ret;
- return M_ASN1_INTEGER_cmp(pcert->cert_info->serialNumber,
- ri->issuer_and_serial->serial);
+ return ASN1_INTEGER_cmp(X509_get0_serialNumber(pcert),
+ ri->issuer_and_serial->serial);
}
/* int */
BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
{
- int i, j;
+ int i, len;
BIO *out = NULL, *btmp = NULL, *etmp = NULL, *bio = NULL;
X509_ALGOR *xa;
ASN1_OCTET_STRING *data_body = NULL;
- const EVP_MD *evp_md;
- const EVP_CIPHER *evp_cipher = NULL;
+ EVP_MD *evp_md = NULL;
+ const EVP_MD *md;
+ EVP_CIPHER *evp_cipher = NULL;
+ const EVP_CIPHER *cipher = NULL;
EVP_CIPHER_CTX *evp_ctx = NULL;
X509_ALGOR *enc_alg = NULL;
STACK_OF(X509_ALGOR) *md_sk = NULL;
PKCS7_RECIP_INFO *ri = NULL;
unsigned char *ek = NULL, *tkey = NULL;
int eklen = 0, tkeylen = 0;
+ char name[OSSL_MAX_NAME_SIZE];
+ const PKCS7_CTX *p7_ctx;
+ OSSL_LIB_CTX *libctx;
+ const char *propq;
+
+ if (p7 == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_INVALID_NULL_POINTER);
+ return NULL;
+ }
+
+ p7_ctx = ossl_pkcs7_get0_ctx(p7);
+ libctx = ossl_pkcs7_ctx_get0_libctx(p7_ctx);
+ propq = ossl_pkcs7_ctx_get0_propq(p7_ctx);
+
+ if (p7->d.ptr == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_NO_CONTENT);
+ return NULL;
+ }
i = OBJ_obj2nid(p7->type);
p7->state = PKCS7_S_HEADER;
switch (i) {
case NID_pkcs7_signed:
+ /*
+ * p7->d.sign->contents is a PKCS7 structure consisting of a contentType
+ * field and optional content.
+ * data_body is NULL if that structure has no (=detached) content
+ * or if the contentType is wrong (i.e., not "data").
+ */
data_body = PKCS7_get_octet_string(p7->d.sign->contents);
if (!PKCS7_is_detached(p7) && data_body == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATADECODE,
- PKCS7_R_INVALID_SIGNED_DATA_TYPE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_INVALID_SIGNED_DATA_TYPE);
goto err;
}
md_sk = p7->d.sign->md_algs;
case NID_pkcs7_signedAndEnveloped:
rsk = p7->d.signed_and_enveloped->recipientinfo;
md_sk = p7->d.signed_and_enveloped->md_algs;
+ /* data_body is NULL if the optional EncryptedContent is missing. */
data_body = p7->d.signed_and_enveloped->enc_data->enc_data;
enc_alg = p7->d.signed_and_enveloped->enc_data->algorithm;
- evp_cipher = EVP_get_cipherbyobj(enc_alg->algorithm);
- if (evp_cipher == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATADECODE,
- PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+
+ OBJ_obj2txt(name, sizeof(name), enc_alg->algorithm, 0);
+
+ (void)ERR_set_mark();
+ evp_cipher = EVP_CIPHER_fetch(libctx, name, propq);
+ if (evp_cipher != NULL)
+ cipher = evp_cipher;
+ else
+ cipher = EVP_get_cipherbyname(name);
+
+ if (cipher == NULL) {
+ (void)ERR_clear_last_mark();
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
goto err;
}
+ (void)ERR_pop_to_mark();
break;
case NID_pkcs7_enveloped:
rsk = p7->d.enveloped->recipientinfo;
enc_alg = p7->d.enveloped->enc_data->algorithm;
+ /* data_body is NULL if the optional EncryptedContent is missing. */
data_body = p7->d.enveloped->enc_data->enc_data;
- evp_cipher = EVP_get_cipherbyobj(enc_alg->algorithm);
- if (evp_cipher == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATADECODE,
- PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+ OBJ_obj2txt(name, sizeof(name), enc_alg->algorithm, 0);
+
+ (void)ERR_set_mark();
+ evp_cipher = EVP_CIPHER_fetch(libctx, name, propq);
+ if (evp_cipher != NULL)
+ cipher = evp_cipher;
+ else
+ cipher = EVP_get_cipherbyname(name);
+
+ if (cipher == NULL) {
+ (void)ERR_clear_last_mark();
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
goto err;
}
+ (void)ERR_pop_to_mark();
break;
default:
- PKCS7err(PKCS7_F_PKCS7_DATADECODE, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+ goto err;
+ }
+
+ /* Detached content must be supplied via in_bio instead. */
+ if (data_body == NULL && in_bio == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_NO_CONTENT);
goto err;
}
for (i = 0; i < sk_X509_ALGOR_num(md_sk); i++) {
xa = sk_X509_ALGOR_value(md_sk, i);
if ((btmp = BIO_new(BIO_f_md())) == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATADECODE, ERR_R_BIO_LIB);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_BIO_LIB);
goto err;
}
- j = OBJ_obj2nid(xa->algorithm);
- evp_md = EVP_get_digestbynid(j);
- if (evp_md == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATADECODE,
- PKCS7_R_UNKNOWN_DIGEST_TYPE);
+ OBJ_obj2txt(name, sizeof(name), xa->algorithm, 0);
+
+ (void)ERR_set_mark();
+ evp_md = EVP_MD_fetch(libctx, name, propq);
+ if (evp_md != NULL)
+ md = evp_md;
+ else
+ md = EVP_get_digestbyname(name);
+
+ if (md == NULL) {
+ (void)ERR_clear_last_mark();
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNKNOWN_DIGEST_TYPE);
goto err;
}
+ (void)ERR_pop_to_mark();
- BIO_set_md(btmp, evp_md);
+ if (BIO_set_md(btmp, md) <= 0) {
+ EVP_MD_free(evp_md);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_BIO_LIB);
+ goto err;
+ }
+ EVP_MD_free(evp_md);
if (out == NULL)
out = btmp;
else
}
}
- if (evp_cipher != NULL) {
+ if (cipher != NULL) {
if ((etmp = BIO_new(BIO_f_cipher())) == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATADECODE, ERR_R_BIO_LIB);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_BIO_LIB);
goto err;
}
ri = NULL;
}
if (ri == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATADECODE,
- PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE);
+ ERR_raise(ERR_LIB_PKCS7,
+ PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE);
goto err;
}
}
*/
for (i = 0; i < sk_PKCS7_RECIP_INFO_num(rsk); i++) {
ri = sk_PKCS7_RECIP_INFO_value(rsk, i);
-
- if (pkcs7_decrypt_rinfo(&ek, &eklen, ri, pkey) < 0)
+ ri->ctx = p7_ctx;
+ if (pkcs7_decrypt_rinfo(&ek, &eklen, ri, pkey,
+ EVP_CIPHER_get_key_length(cipher)) < 0)
goto err;
ERR_clear_error();
}
} else {
+ ri->ctx = p7_ctx;
/* Only exit on fatal errors, not decrypt failure */
- if (pkcs7_decrypt_rinfo(&ek, &eklen, ri, pkey) < 0)
+ if (pkcs7_decrypt_rinfo(&ek, &eklen, ri, pkey, 0) < 0)
goto err;
ERR_clear_error();
}
evp_ctx = NULL;
BIO_get_cipher_ctx(etmp, &evp_ctx);
- if (EVP_CipherInit_ex(evp_ctx, evp_cipher, NULL, NULL, NULL, 0) <= 0)
+ if (EVP_CipherInit_ex(evp_ctx, cipher, NULL, NULL, NULL, 0) <= 0)
goto err;
- if (EVP_CIPHER_asn1_to_param(evp_ctx, enc_alg->parameter) < 0)
+ if (EVP_CIPHER_asn1_to_param(evp_ctx, enc_alg->parameter) <= 0)
goto err;
/* Generate random key as MMA defence */
- tkeylen = EVP_CIPHER_CTX_key_length(evp_ctx);
+ len = EVP_CIPHER_CTX_get_key_length(evp_ctx);
+ if (len <= 0)
+ goto err;
+ tkeylen = (size_t)len;
tkey = OPENSSL_malloc(tkeylen);
- if (!tkey)
+ if (tkey == NULL)
goto err;
if (EVP_CIPHER_CTX_rand_key(evp_ctx, tkey) <= 0)
goto err;
tkey = NULL;
}
- if (eklen != EVP_CIPHER_CTX_key_length(evp_ctx)) {
+ if (eklen != EVP_CIPHER_CTX_get_key_length(evp_ctx)) {
/*
* Some S/MIME clients don't use the same key and effective key
* length. The key length is determined by the size of the
* decrypted RSA key.
*/
- if (!EVP_CIPHER_CTX_set_key_length(evp_ctx, eklen)) {
+ if (EVP_CIPHER_CTX_set_key_length(evp_ctx, eklen) <= 0) {
/* Use random key as MMA defence */
- OPENSSL_cleanse(ek, eklen);
- OPENSSL_free(ek);
+ OPENSSL_clear_free(ek, eklen);
ek = tkey;
eklen = tkeylen;
tkey = NULL;
if (EVP_CipherInit_ex(evp_ctx, NULL, NULL, ek, NULL, 0) <= 0)
goto err;
- if (ek) {
- OPENSSL_cleanse(ek, eklen);
- OPENSSL_free(ek);
- ek = NULL;
- }
- if (tkey) {
- OPENSSL_cleanse(tkey, tkeylen);
- OPENSSL_free(tkey);
- tkey = NULL;
- }
+ OPENSSL_clear_free(ek, eklen);
+ ek = NULL;
+ OPENSSL_clear_free(tkey, tkeylen);
+ tkey = NULL;
if (out == NULL)
out = etmp;
BIO_push(out, etmp);
etmp = NULL;
}
- if (PKCS7_is_detached(p7) || (in_bio != NULL)) {
+ if (in_bio != NULL) {
bio = in_bio;
} else {
if (data_body->length > 0)
bio = BIO_new_mem_buf(data_body->data, data_body->length);
else {
bio = BIO_new(BIO_s_mem());
+ if (bio == NULL)
+ goto err;
BIO_set_mem_eof_return(bio, 0);
}
if (bio == NULL)
}
BIO_push(out, bio);
bio = NULL;
- if (0) {
+ EVP_CIPHER_free(evp_cipher);
+ return out;
+
err:
- if (ek) {
- OPENSSL_cleanse(ek, eklen);
- OPENSSL_free(ek);
- }
- if (tkey) {
- OPENSSL_cleanse(tkey, tkeylen);
- OPENSSL_free(tkey);
- }
- if (out != NULL)
- BIO_free_all(out);
- if (btmp != NULL)
- BIO_free_all(btmp);
- if (etmp != NULL)
- BIO_free_all(etmp);
- if (bio != NULL)
- BIO_free_all(bio);
- out = NULL;
- }
- return (out);
+ EVP_CIPHER_free(evp_cipher);
+ OPENSSL_clear_free(ek, eklen);
+ OPENSSL_clear_free(tkey, tkeylen);
+ BIO_free_all(out);
+ BIO_free_all(btmp);
+ BIO_free_all(etmp);
+ BIO_free_all(bio);
+ return NULL;
}
static BIO *PKCS7_find_digest(EVP_MD_CTX **pmd, BIO *bio, int nid)
for (;;) {
bio = BIO_find_type(bio, BIO_TYPE_MD);
if (bio == NULL) {
- PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST,
- PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
return NULL;
}
BIO_get_md_ctx(bio, pmd);
if (*pmd == NULL) {
- PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST, ERR_R_INTERNAL_ERROR);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_INTERNAL_ERROR);
return NULL;
}
- if (EVP_MD_CTX_type(*pmd) == nid)
+ if (EVP_MD_CTX_get_type(*pmd) == nid)
return bio;
bio = BIO_next(bio);
}
/* Add signing time if not already present */
if (!PKCS7_get_signed_attribute(si, NID_pkcs9_signingTime)) {
if (!PKCS7_add0_attrib_signing_time(si, NULL)) {
- PKCS7err(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_PKCS7_LIB);
return 0;
}
}
/* Add digest */
if (!EVP_DigestFinal_ex(mctx, md_data, &md_len)) {
- PKCS7err(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB, ERR_R_EVP_LIB);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_EVP_LIB);
return 0;
}
if (!PKCS7_add1_attrib_digest(si, md_data, md_len)) {
- PKCS7err(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_PKCS7_LIB);
return 0;
}
int i, j;
BIO *btmp;
PKCS7_SIGNER_INFO *si;
- EVP_MD_CTX *mdc, ctx_tmp;
+ EVP_MD_CTX *mdc, *ctx_tmp;
STACK_OF(X509_ATTRIBUTE) *sk;
STACK_OF(PKCS7_SIGNER_INFO) *si_sk = NULL;
ASN1_OCTET_STRING *os = NULL;
+ const PKCS7_CTX *p7_ctx;
+
+ if (p7 == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_INVALID_NULL_POINTER);
+ return 0;
+ }
+
+ p7_ctx = ossl_pkcs7_get0_ctx(p7);
+
+ if (p7->d.ptr == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_NO_CONTENT);
+ return 0;
+ }
+
+ ctx_tmp = EVP_MD_CTX_new();
+ if (ctx_tmp == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_EVP_LIB);
+ return 0;
+ }
- EVP_MD_CTX_init(&ctx_tmp);
i = OBJ_obj2nid(p7->type);
p7->state = PKCS7_S_HEADER;
/* XXXXXXXXXXXXXXXX */
si_sk = p7->d.signed_and_enveloped->signer_info;
os = p7->d.signed_and_enveloped->enc_data->enc_data;
- if (!os) {
- os = M_ASN1_OCTET_STRING_new();
- if (!os) {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL, ERR_R_MALLOC_FAILURE);
+ if (os == NULL) {
+ os = ASN1_OCTET_STRING_new();
+ if (os == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
goto err;
}
p7->d.signed_and_enveloped->enc_data->enc_data = os;
case NID_pkcs7_enveloped:
/* XXXXXXXXXXXXXXXX */
os = p7->d.enveloped->enc_data->enc_data;
- if (!os) {
- os = M_ASN1_OCTET_STRING_new();
- if (!os) {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL, ERR_R_MALLOC_FAILURE);
+ if (os == NULL) {
+ os = ASN1_OCTET_STRING_new();
+ if (os == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
goto err;
}
p7->d.enveloped->enc_data->enc_data = os;
os = PKCS7_get_octet_string(p7->d.sign->contents);
/* If detached data then the content is excluded */
if (PKCS7_type_is_data(p7->d.sign->contents) && p7->detached) {
- M_ASN1_OCTET_STRING_free(os);
+ ASN1_OCTET_STRING_free(os);
+ os = NULL;
p7->d.sign->contents->d.data = NULL;
}
break;
os = PKCS7_get_octet_string(p7->d.digest->contents);
/* If detached data then the content is excluded */
if (PKCS7_type_is_data(p7->d.digest->contents) && p7->detached) {
- M_ASN1_OCTET_STRING_free(os);
+ ASN1_OCTET_STRING_free(os);
+ os = NULL;
p7->d.digest->contents->d.data = NULL;
}
break;
default:
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
goto err;
}
/*
* We now have the EVP_MD_CTX, lets do the signing.
*/
- if (!EVP_MD_CTX_copy_ex(&ctx_tmp, mdc))
+ if (!EVP_MD_CTX_copy_ex(ctx_tmp, mdc))
goto err;
sk = si->auth_attr;
* sign the attributes
*/
if (sk_X509_ATTRIBUTE_num(sk) > 0) {
- if (!do_pkcs7_signed_attrib(si, &ctx_tmp))
+ if (!do_pkcs7_signed_attrib(si, ctx_tmp))
goto err;
} else {
unsigned char *abuf = NULL;
- unsigned int abuflen;
- abuflen = EVP_PKEY_size(si->pkey);
- abuf = OPENSSL_malloc(abuflen);
- if (!abuf)
+ unsigned int abuflen = EVP_PKEY_get_size(si->pkey);
+
+ if (abuflen == 0 || (abuf = OPENSSL_malloc(abuflen)) == NULL)
goto err;
- if (!EVP_SignFinal(&ctx_tmp, abuf, &abuflen, si->pkey)) {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL, ERR_R_EVP_LIB);
+ if (!EVP_SignFinal_ex(ctx_tmp, abuf, &abuflen, si->pkey,
+ ossl_pkcs7_ctx_get0_libctx(p7_ctx),
+ ossl_pkcs7_ctx_get0_propq(p7_ctx))) {
+ OPENSSL_free(abuf);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_EVP_LIB);
goto err;
}
ASN1_STRING_set0(si->enc_digest, abuf, abuflen);
goto err;
if (!EVP_DigestFinal_ex(mdc, md_data, &md_len))
goto err;
- M_ASN1_OCTET_STRING_set(p7->d.digest->digest, md_data, md_len);
+ if (!ASN1_OCTET_STRING_set(p7->d.digest->digest, md_data, md_len))
+ goto err;
}
- if (!PKCS7_is_detached(p7) && !(os->flags & ASN1_STRING_FLAG_NDEF)) {
- char *cont;
- long contlen;
- btmp = BIO_find_type(bio, BIO_TYPE_MEM);
- if (btmp == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL, PKCS7_R_UNABLE_TO_FIND_MEM_BIO);
- goto err;
- }
- contlen = BIO_get_mem_data(btmp, &cont);
+ if (!PKCS7_is_detached(p7)) {
/*
- * Mark the BIO read only then we can use its copy of the data
- * instead of making an extra copy.
+ * NOTE(emilia): I think we only reach os == NULL here because detached
+ * digested data support is broken.
*/
- BIO_set_flags(btmp, BIO_FLAGS_MEM_RDONLY);
- BIO_set_mem_eof_return(btmp, 0);
- ASN1_STRING_set0(os, (unsigned char *)cont, contlen);
+ if (os == NULL)
+ goto err;
+ if (!(os->flags & ASN1_STRING_FLAG_NDEF)) {
+ char *cont;
+ long contlen;
+ btmp = BIO_find_type(bio, BIO_TYPE_MEM);
+ if (btmp == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNABLE_TO_FIND_MEM_BIO);
+ goto err;
+ }
+ contlen = BIO_get_mem_data(btmp, &cont);
+ /*
+ * Mark the BIO read only then we can use its copy of the data
+ * instead of making an extra copy.
+ */
+ BIO_set_flags(btmp, BIO_FLAGS_MEM_RDONLY);
+ BIO_set_mem_eof_return(btmp, 0);
+ ASN1_STRING_set0(os, (unsigned char *)cont, contlen);
+ }
}
ret = 1;
err:
- EVP_MD_CTX_cleanup(&ctx_tmp);
- return (ret);
+ EVP_MD_CTX_free(ctx_tmp);
+ return ret;
}
int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si)
{
- EVP_MD_CTX mctx;
- EVP_PKEY_CTX *pctx;
+ EVP_MD_CTX *mctx;
+ EVP_PKEY_CTX *pctx = NULL;
unsigned char *abuf = NULL;
int alen;
size_t siglen;
const EVP_MD *md = NULL;
+ const PKCS7_CTX *ctx = si->ctx;
md = EVP_get_digestbyobj(si->digest_alg->algorithm);
if (md == NULL)
return 0;
- EVP_MD_CTX_init(&mctx);
- if (EVP_DigestSignInit(&mctx, &pctx, md, NULL, si->pkey) <= 0)
+ mctx = EVP_MD_CTX_new();
+ if (mctx == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_EVP_LIB);
goto err;
+ }
- if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
- EVP_PKEY_CTRL_PKCS7_SIGN, 0, si) <= 0) {
- PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SIGN, PKCS7_R_CTRL_ERROR);
+ if (EVP_DigestSignInit_ex(mctx, &pctx, EVP_MD_get0_name(md),
+ ossl_pkcs7_ctx_get0_libctx(ctx),
+ ossl_pkcs7_ctx_get0_propq(ctx), si->pkey,
+ NULL) <= 0)
goto err;
- }
alen = ASN1_item_i2d((ASN1_VALUE *)si->auth_attr, &abuf,
ASN1_ITEM_rptr(PKCS7_ATTR_SIGN));
if (!abuf)
goto err;
- if (EVP_DigestSignUpdate(&mctx, abuf, alen) <= 0)
+ if (EVP_DigestSignUpdate(mctx, abuf, alen) <= 0)
goto err;
OPENSSL_free(abuf);
abuf = NULL;
- if (EVP_DigestSignFinal(&mctx, NULL, &siglen) <= 0)
+ if (EVP_DigestSignFinal(mctx, NULL, &siglen) <= 0)
goto err;
abuf = OPENSSL_malloc(siglen);
- if (!abuf)
+ if (abuf == NULL)
goto err;
- if (EVP_DigestSignFinal(&mctx, abuf, &siglen) <= 0)
- goto err;
-
- if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_SIGN,
- EVP_PKEY_CTRL_PKCS7_SIGN, 1, si) <= 0) {
- PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SIGN, PKCS7_R_CTRL_ERROR);
+ if (EVP_DigestSignFinal(mctx, abuf, &siglen) <= 0)
goto err;
- }
- EVP_MD_CTX_cleanup(&mctx);
+ EVP_MD_CTX_free(mctx);
ASN1_STRING_set0(si->enc_digest, abuf, siglen);
return 1;
err:
- if (abuf)
- OPENSSL_free(abuf);
- EVP_MD_CTX_cleanup(&mctx);
+ OPENSSL_free(abuf);
+ EVP_MD_CTX_free(mctx);
return 0;
-
}
+/* This partly overlaps with PKCS7_verify(). It does not support flags. */
int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio,
PKCS7 *p7, PKCS7_SIGNER_INFO *si)
{
PKCS7_ISSUER_AND_SERIAL *ias;
int ret = 0, i;
- STACK_OF(X509) *cert;
- X509 *x509;
+ STACK_OF(X509) *untrusted;
+ STACK_OF(X509_CRL) *crls;
+ X509 *signer;
+
+ if (p7 == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_INVALID_NULL_POINTER);
+ return 0;
+ }
+
+ if (p7->d.ptr == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_NO_CONTENT);
+ return 0;
+ }
if (PKCS7_type_is_signed(p7)) {
- cert = p7->d.sign->cert;
+ untrusted = p7->d.sign->cert;
+ crls = p7->d.sign->crl;
} else if (PKCS7_type_is_signedAndEnveloped(p7)) {
- cert = p7->d.signed_and_enveloped->cert;
+ untrusted = p7->d.signed_and_enveloped->cert;
+ crls = p7->d.signed_and_enveloped->crl;
} else {
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, PKCS7_R_WRONG_PKCS7_TYPE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_PKCS7_TYPE);
goto err;
}
+ X509_STORE_CTX_set0_crls(ctx, crls);
+
/* XXXXXXXXXXXXXXXXXXXXXXX */
ias = si->issuer_and_serial;
- x509 = X509_find_by_issuer_and_serial(cert, ias->issuer, ias->serial);
+ signer = X509_find_by_issuer_and_serial(untrusted, ias->issuer, ias->serial);
- /* were we able to find the cert in passed to us */
- if (x509 == NULL) {
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,
- PKCS7_R_UNABLE_TO_FIND_CERTIFICATE);
+ /* Were we able to find the signer certificate in passed to us? */
+ if (signer == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNABLE_TO_FIND_CERTIFICATE);
goto err;
}
/* Lets verify */
- if (!X509_STORE_CTX_init(ctx, cert_store, x509, cert)) {
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, ERR_R_X509_LIB);
+ if (!X509_STORE_CTX_init(ctx, cert_store, signer, untrusted)) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_X509_LIB);
goto err;
}
X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_SMIME_SIGN);
i = X509_verify_cert(ctx);
if (i <= 0) {
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY, ERR_R_X509_LIB);
- X509_STORE_CTX_cleanup(ctx);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_X509_LIB);
goto err;
}
- X509_STORE_CTX_cleanup(ctx);
- return PKCS7_signatureVerify(bio, p7, si, x509);
+ return PKCS7_signatureVerify(bio, p7, si, signer);
err:
return ret;
}
int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
- X509 *x509)
+ X509 *signer)
{
ASN1_OCTET_STRING *os;
- EVP_MD_CTX mdc_tmp, *mdc;
+ EVP_MD_CTX *mdc_tmp, *mdc;
+ const EVP_MD *md;
+ EVP_MD *fetched_md = NULL;
int ret = 0, i;
int md_type;
STACK_OF(X509_ATTRIBUTE) *sk;
BIO *btmp;
EVP_PKEY *pkey;
+ const PKCS7_CTX *ctx = ossl_pkcs7_get0_ctx(p7);
+ OSSL_LIB_CTX *libctx = ossl_pkcs7_ctx_get0_libctx(ctx);
+ const char *propq = ossl_pkcs7_ctx_get0_propq(ctx);
- EVP_MD_CTX_init(&mdc_tmp);
+ mdc_tmp = EVP_MD_CTX_new();
+ if (mdc_tmp == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_EVP_LIB);
+ goto err;
+ }
if (!PKCS7_type_is_signed(p7) && !PKCS7_type_is_signedAndEnveloped(p7)) {
- PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, PKCS7_R_WRONG_PKCS7_TYPE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_PKCS7_TYPE);
goto err;
}
for (;;) {
if ((btmp == NULL) ||
((btmp = BIO_find_type(btmp, BIO_TYPE_MD)) == NULL)) {
- PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
- PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
goto err;
}
BIO_get_md_ctx(btmp, &mdc);
if (mdc == NULL) {
- PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, ERR_R_INTERNAL_ERROR);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_INTERNAL_ERROR);
goto err;
}
- if (EVP_MD_CTX_type(mdc) == md_type)
+ if (EVP_MD_CTX_get_type(mdc) == md_type)
break;
/*
* Workaround for some broken clients that put the signature OID
* instead of the digest OID in digest_alg->algorithm
*/
- if (EVP_MD_pkey_type(EVP_MD_CTX_md(mdc)) == md_type)
+ if (EVP_MD_get_pkey_type(EVP_MD_CTX_get0_md(mdc)) == md_type)
break;
btmp = BIO_next(btmp);
}
* mdc is the digest ctx that we want, unless there are attributes, in
* which case the digest is the signed attributes
*/
- if (!EVP_MD_CTX_copy_ex(&mdc_tmp, mdc))
+ if (!EVP_MD_CTX_copy_ex(mdc_tmp, mdc))
goto err;
sk = si->auth_attr;
int alen;
ASN1_OCTET_STRING *message_digest;
- if (!EVP_DigestFinal_ex(&mdc_tmp, md_dat, &md_len))
+ if (!EVP_DigestFinal_ex(mdc_tmp, md_dat, &md_len))
goto err;
message_digest = PKCS7_digest_from_attributes(sk);
if (!message_digest) {
- PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
- PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
goto err;
}
if ((message_digest->length != (int)md_len) ||
(memcmp(message_digest->data, md_dat, md_len))) {
- PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, PKCS7_R_DIGEST_FAILURE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_DIGEST_FAILURE);
ret = -1;
goto err;
}
- if (!EVP_VerifyInit_ex(&mdc_tmp, EVP_get_digestbynid(md_type), NULL))
+ (void)ERR_set_mark();
+ fetched_md = EVP_MD_fetch(libctx, OBJ_nid2sn(md_type), propq);
+
+ if (fetched_md != NULL)
+ md = fetched_md;
+ else
+ md = EVP_get_digestbynid(md_type);
+
+ if (md == NULL || !EVP_VerifyInit_ex(mdc_tmp, md, NULL)) {
+ (void)ERR_clear_last_mark();
goto err;
+ }
+ (void)ERR_pop_to_mark();
alen = ASN1_item_i2d((ASN1_VALUE *)sk, &abuf,
ASN1_ITEM_rptr(PKCS7_ATTR_VERIFY));
if (alen <= 0) {
- PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, ERR_R_ASN1_LIB);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
ret = -1;
goto err;
}
- if (!EVP_VerifyUpdate(&mdc_tmp, abuf, alen))
+ if (!EVP_VerifyUpdate(mdc_tmp, abuf, alen))
goto err;
OPENSSL_free(abuf);
}
os = si->enc_digest;
- pkey = X509_get_pubkey(x509);
- if (!pkey) {
+ pkey = X509_get0_pubkey(signer);
+ if (pkey == NULL) {
ret = -1;
goto err;
}
- i = EVP_VerifyFinal(&mdc_tmp, os->data, os->length, pkey);
- EVP_PKEY_free(pkey);
+ i = EVP_VerifyFinal_ex(mdc_tmp, os->data, os->length, pkey, libctx, propq);
if (i <= 0) {
- PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, PKCS7_R_SIGNATURE_FAILURE);
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_SIGNATURE_FAILURE);
ret = -1;
goto err;
- } else
- ret = 1;
+ }
+ ret = 1;
err:
- EVP_MD_CTX_cleanup(&mdc_tmp);
- return (ret);
+ EVP_MD_CTX_free(mdc_tmp);
+ EVP_MD_free(fetched_md);
+ return ret;
}
PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)
rsk = p7->d.signed_and_enveloped->recipientinfo;
if (rsk == NULL)
return NULL;
- ri = sk_PKCS7_RECIP_INFO_value(rsk, 0);
if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx)
- return (NULL);
+ return NULL;
ri = sk_PKCS7_RECIP_INFO_value(rsk, idx);
- return (ri->issuer_and_serial);
+ return ri->issuer_and_serial;
}
-ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid)
+ASN1_TYPE *PKCS7_get_signed_attribute(const PKCS7_SIGNER_INFO *si, int nid)
{
- return (get_attribute(si->auth_attr, nid));
+ return get_attribute(si->auth_attr, nid);
}
-ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid)
+ASN1_TYPE *PKCS7_get_attribute(const PKCS7_SIGNER_INFO *si, int nid)
{
- return (get_attribute(si->unauth_attr, nid));
+ return get_attribute(si->unauth_attr, nid);
}
-static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid)
+static ASN1_TYPE *get_attribute(const STACK_OF(X509_ATTRIBUTE) *sk, int nid)
{
- int i;
- X509_ATTRIBUTE *xa;
- ASN1_OBJECT *o;
+ int idx = X509at_get_attr_by_NID(sk, nid, -1);
- o = OBJ_nid2obj(nid);
- if (!o || !sk)
- return (NULL);
- for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
- xa = sk_X509_ATTRIBUTE_value(sk, i);
- if (OBJ_cmp(xa->object, o) == 0) {
- if (!xa->single && sk_ASN1_TYPE_num(xa->value.set))
- return (sk_ASN1_TYPE_value(xa->value.set, 0));
- else
- return (NULL);
- }
- }
- return (NULL);
+ if (idx < 0)
+ return NULL;
+ return X509_ATTRIBUTE_get0_type(X509at_get_attr(sk, idx), 0);
}
ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk)
{
ASN1_TYPE *astype;
- if (!(astype = get_attribute(sk, NID_pkcs9_messageDigest)))
+ if ((astype = get_attribute(sk, NID_pkcs9_messageDigest)) == NULL)
return NULL;
return astype->value.octet_string;
}
{
int i;
- if (p7si->auth_attr != NULL)
- sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr, X509_ATTRIBUTE_free);
+ sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr, X509_ATTRIBUTE_free);
p7si->auth_attr = sk_X509_ATTRIBUTE_dup(sk);
if (p7si->auth_attr == NULL)
return 0;
X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value
(sk, i))))
== NULL)
- return (0);
+ return 0;
}
- return (1);
+ return 1;
}
int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,
{
int i;
- if (p7si->unauth_attr != NULL)
- sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr, X509_ATTRIBUTE_free);
+ sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr, X509_ATTRIBUTE_free);
p7si->unauth_attr = sk_X509_ATTRIBUTE_dup(sk);
if (p7si->unauth_attr == NULL)
return 0;
X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value
(sk, i))))
== NULL)
- return (0);
+ return 0;
}
- return (1);
+ return 1;
}
int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
void *value)
{
- return (add_attribute(&(p7si->auth_attr), nid, atrtype, value));
+ return add_attribute(&(p7si->auth_attr), nid, atrtype, value);
}
int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
void *value)
{
- return (add_attribute(&(p7si->unauth_attr), nid, atrtype, value));
+ return add_attribute(&(p7si->unauth_attr), nid, atrtype, value);
}
static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
X509_ATTRIBUTE *attr = NULL;
if (*sk == NULL) {
- *sk = sk_X509_ATTRIBUTE_new_null();
- if (*sk == NULL)
+ if ((*sk = sk_X509_ATTRIBUTE_new_null()) == NULL)
return 0;
new_attrib:
- if (!(attr = X509_ATTRIBUTE_create(nid, atrtype, value)))
+ if ((attr = X509_ATTRIBUTE_create(nid, atrtype, value)) == NULL)
return 0;
if (!sk_X509_ATTRIBUTE_push(*sk, attr)) {
X509_ATTRIBUTE_free(attr);
for (i = 0; i < sk_X509_ATTRIBUTE_num(*sk); i++) {
attr = sk_X509_ATTRIBUTE_value(*sk, i);
- if (OBJ_obj2nid(attr->object) == nid) {
+ if (OBJ_obj2nid(X509_ATTRIBUTE_get0_object(attr)) == nid) {
X509_ATTRIBUTE_free(attr);
attr = X509_ATTRIBUTE_create(nid, atrtype, value);
if (attr == NULL)
goto new_attrib;
}
end:
- return (1);
+ return 1;
}
projects / openssl.git / blobdiff