-/* p12_decr.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 1999-2024 The OpenSSL Project Authors. All Rights Reserved.
*
+ * 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 "internal/cryptlib.h"
#include <openssl/pkcs12.h>
+#include <openssl/trace.h>
-/* Define this to dump decrypted output to files called DERnnn */
-/*#define DEBUG_DECRYPT*/
-
-
-/* Encrypt/Decrypt a buffer based on password and algor, result in a
+/*
+ * Encrypt/Decrypt a buffer based on password and algor, result in a
* OPENSSL_malloc'ed buffer
*/
-
-unsigned char * PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,
- int passlen, unsigned char *in, int inlen, unsigned char **data,
- int *datalen, int en_de)
+unsigned char *PKCS12_pbe_crypt_ex(const X509_ALGOR *algor,
+ const char *pass, int passlen,
+ const unsigned char *in, int inlen,
+ unsigned char **data, int *datalen, int en_de,
+ OSSL_LIB_CTX *libctx, const char *propq)
{
- unsigned char *out;
- int outlen, i;
- EVP_CIPHER_CTX ctx;
-
- /* Decrypt data */
- if (!EVP_PBE_CipherInit (algor->algorithm, pass, passlen,
- algor->parameter, &ctx, en_de)) {
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);
- return NULL;
- }
-
- if(!(out = OPENSSL_malloc (inlen + EVP_CIPHER_CTX_block_size(&ctx)))) {
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
- EVP_CipherUpdate (&ctx, out, &i, in, inlen);
- outlen = i;
- if(!EVP_CipherFinal (&ctx, out + i, &i)) {
- OPENSSL_free (out);
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
- return NULL;
- }
- outlen += i;
- if (datalen) *datalen = outlen;
- if (data) *data = out;
- return out;
+ unsigned char *out = NULL;
+ int outlen, i;
+ EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
+ int max_out_len, mac_len = 0;
+ int block_size;
+
+ if (ctx == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_EVP_LIB);
+ goto err;
+ }
+
+ /* Process data */
+ if (!EVP_PBE_CipherInit_ex(algor->algorithm, pass, passlen,
+ algor->parameter, ctx, en_de, libctx, propq))
+ goto err;
+
+ /*
+ * GOST algorithm specifics:
+ * OMAC algorithm calculate and encrypt MAC of the encrypted objects
+ * It's appended to encrypted text on encrypting
+ * MAC should be processed on decrypting separately from plain text
+ */
+ block_size = EVP_CIPHER_CTX_get_block_size(ctx);
+
+ if (block_size == 0) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_NULL_PARAMETER);
+ goto err;
+ }
+
+ max_out_len = inlen + block_size;
+ if ((EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(ctx))
+ & EVP_CIPH_FLAG_CIPHER_WITH_MAC) != 0) {
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_TLS1_AAD, 0, &mac_len) < 0) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
+ max_out_len += mac_len;
+ } else {
+ if (inlen < mac_len) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_UNSUPPORTED_PKCS12_MODE);
+ goto err;
+ }
+ inlen -= mac_len;
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
+ (int)mac_len, (unsigned char *)in+inlen) < 0) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ }
+ }
+
+ if ((out = OPENSSL_malloc(max_out_len)) == NULL)
+ goto err;
+
+ if (!EVP_CipherUpdate(ctx, out, &i, in, inlen)) {
+ OPENSSL_free(out);
+ out = NULL;
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_EVP_LIB);
+ goto err;
+ }
+
+ outlen = i;
+ if (!EVP_CipherFinal_ex(ctx, out + i, &i)) {
+ OPENSSL_free(out);
+ out = NULL;
+ ERR_raise_data(ERR_LIB_PKCS12, PKCS12_R_PKCS12_CIPHERFINAL_ERROR,
+ passlen == 0 ? "empty password"
+ : "maybe wrong password");
+ goto err;
+ }
+ outlen += i;
+ if ((EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(ctx))
+ & EVP_CIPH_FLAG_CIPHER_WITH_MAC) != 0) {
+ if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,
+ (int)mac_len, out+outlen) < 0) {
+ OPENSSL_free(out);
+ out = NULL;
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ outlen += mac_len;
+ }
+ }
+ if (datalen)
+ *datalen = outlen;
+ if (data)
+ *data = out;
+ err:
+ EVP_CIPHER_CTX_free(ctx);
+ return out;
}
-/* Decrypt an OCTET STRING and decode ASN1 structure
- * if zbuf set zero buffer after use.
+unsigned char *PKCS12_pbe_crypt(const X509_ALGOR *algor,
+ const char *pass, int passlen,
+ const unsigned char *in, int inlen,
+ unsigned char **data, int *datalen, int en_de)
+{
+ return PKCS12_pbe_crypt_ex(algor, pass, passlen, in, inlen, data, datalen,
+ en_de, NULL, NULL);
+}
+
+/*
+ * Decrypt an OCTET STRING and decode ASN1 structure if zbuf set zero buffer
+ * after use.
*/
-void * PKCS12_item_decrypt_d2i(X509_ALGOR *algor, const ASN1_ITEM *it,
- const char *pass, int passlen, ASN1_OCTET_STRING *oct, int zbuf)
+void *PKCS12_item_decrypt_d2i_ex(const X509_ALGOR *algor, const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ const ASN1_OCTET_STRING *oct, int zbuf,
+ OSSL_LIB_CTX *libctx,
+ const char *propq)
{
- unsigned char *out, *p;
- void *ret;
- int outlen;
-
- if (!PKCS12_pbe_crypt(algor, pass, passlen, oct->data, oct->length,
- &out, &outlen, 0)) {
- PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_PKCS12_PBE_CRYPT_ERROR);
- return NULL;
- }
- p = out;
-#ifdef DEBUG_DECRYPT
- {
- FILE *op;
-
- char fname[30];
- static int fnm = 1;
- sprintf(fname, "DER%d", fnm++);
- op = fopen(fname, "wb");
- fwrite (p, 1, outlen, op);
- fclose(op);
- }
-#endif
- ret = ASN1_item_d2i(NULL, &p, outlen, it);
- if (zbuf) memset(out, 0, outlen);
- if(!ret) PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_DECODE_ERROR);
- OPENSSL_free(out);
- return ret;
+ unsigned char *out = NULL;
+ const unsigned char *p;
+ void *ret;
+ int outlen = 0;
+
+ if (!PKCS12_pbe_crypt_ex(algor, pass, passlen, oct->data, oct->length,
+ &out, &outlen, 0, libctx, propq))
+ return NULL;
+ p = out;
+ OSSL_TRACE_BEGIN(PKCS12_DECRYPT) {
+ BIO_printf(trc_out, "\n");
+ BIO_dump(trc_out, out, outlen);
+ BIO_printf(trc_out, "\n");
+ } OSSL_TRACE_END(PKCS12_DECRYPT);
+ ret = ASN1_item_d2i(NULL, &p, outlen, it);
+ if (zbuf)
+ OPENSSL_cleanse(out, outlen);
+ if (!ret)
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
+ OPENSSL_free(out);
+ return ret;
}
-/* Encode ASN1 structure and encrypt, return OCTET STRING
- * if zbuf set zero encoding.
+void *PKCS12_item_decrypt_d2i(const X509_ALGOR *algor, const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ const ASN1_OCTET_STRING *oct, int zbuf)
+{
+ return PKCS12_item_decrypt_d2i_ex(algor, it, pass, passlen, oct, zbuf,
+ NULL, NULL);
+}
+
+/*
+ * Encode ASN1 structure and encrypt, return OCTET STRING if zbuf set zero
+ * encoding.
*/
-ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor, const ASN1_ITEM *it,
- const char *pass, int passlen,
- void *obj, int zbuf)
+ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt_ex(X509_ALGOR *algor,
+ const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ void *obj, int zbuf,
+ OSSL_LIB_CTX *ctx,
+ const char *propq)
{
- ASN1_OCTET_STRING *oct;
- unsigned char *in = NULL;
- int inlen;
- if (!(oct = M_ASN1_OCTET_STRING_new ())) {
- PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- inlen = ASN1_item_i2d(obj, &in, it);
- if (!in) {
- PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,PKCS12_R_ENCODE_ERROR);
- return NULL;
- }
- if (!PKCS12_pbe_crypt(algor, pass, passlen, in, inlen, &oct->data,
- &oct->length, 1)) {
- PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,PKCS12_R_ENCRYPT_ERROR);
- OPENSSL_free(in);
- return NULL;
- }
- if (zbuf) memset(in, 0, inlen);
- OPENSSL_free(in);
- return oct;
+ ASN1_OCTET_STRING *oct = NULL;
+ unsigned char *in = NULL;
+ int inlen;
+
+ if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
+ goto err;
+ }
+ inlen = ASN1_item_i2d(obj, &in, it);
+ if (!in) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCODE_ERROR);
+ goto err;
+ }
+ if (!PKCS12_pbe_crypt_ex(algor, pass, passlen, in, inlen, &oct->data,
+ &oct->length, 1, ctx, propq)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCRYPT_ERROR);
+ OPENSSL_free(in);
+ goto err;
+ }
+ if (zbuf)
+ OPENSSL_cleanse(in, inlen);
+ OPENSSL_free(in);
+ return oct;
+ err:
+ ASN1_OCTET_STRING_free(oct);
+ return NULL;
}
-IMPLEMENT_PKCS12_STACK_OF(PKCS7)
+ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor,
+ const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ void *obj, int zbuf)
+{
+ return PKCS12_item_i2d_encrypt_ex(algor, it, pass, passlen, obj, zbuf, NULL, NULL);
+}
projects / thirdparty / openssl.git / blobdiff