+++ /dev/null
-/* 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).
- *
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/pkcs12.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
- * 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 *out;
- int outlen, i;
- EVP_CIPHER_CTX ctx;
-
- EVP_CIPHER_CTX_init(&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);
- goto err;
- }
-
- EVP_CipherUpdate(&ctx, out, &i, in, inlen);
- outlen = i;
- if(!EVP_CipherFinal_ex(&ctx, out + i, &i)) {
- OPENSSL_free(out);
- out = NULL;
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
- goto err;
- }
- outlen += i;
- if (datalen) *datalen = outlen;
- if (data) *data = out;
- err:
- EVP_CIPHER_CTX_cleanup(&ctx);
- return out;
-
-}
-
-/* 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)
-{
- 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) OPENSSL_cleanse(out, outlen);
- if(!ret) PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_DECODE_ERROR);
- OPENSSL_free(out);
- return ret;
-}
-
-/* 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 *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) OPENSSL_cleanse(in, inlen);
- OPENSSL_free(in);
- return oct;
-}
-
-IMPLEMENT_PKCS12_STACK_OF(PKCS7)
projects / bcm963xx.git / blobdiff