--- /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