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authorSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
committerSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
commitc4a78426bef17a0a7c81195c2b2399e7441f14ad (patch)
tree596c39f00d5968b1519e8cd7f0546412b14c20f0 /crypto/evp/p5_crpt.c
parenta0ddfe4e7233d81e88a86217b7653708db2720fa (diff)
downloadsrc-c4a78426bef17a0a7c81195c2b2399e7441f14ad.tar.gz
src-c4a78426bef17a0a7c81195c2b2399e7441f14ad.zip
Flatten OpenSSL vendor tree.
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=182044
Diffstat (limited to 'crypto/evp/p5_crpt.c')
-rw-r--r--crypto/evp/p5_crpt.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/crypto/evp/p5_crpt.c b/crypto/evp/p5_crpt.c
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+/* p5_crpt.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 <stdlib.h>
+#include "cryptlib.h"
+#include <openssl/x509.h>
+#include <openssl/evp.h>
+
+/* PKCS#5 v1.5 compatible PBE functions: see PKCS#5 v2.0 for more info.
+ */
+
+void PKCS5_PBE_add(void)
+{
+#ifndef OPENSSL_NO_DES
+# ifndef OPENSSL_NO_MD5
+EVP_PBE_alg_add(NID_pbeWithMD5AndDES_CBC, EVP_des_cbc(), EVP_md5(),
+ PKCS5_PBE_keyivgen);
+# endif
+# ifndef OPENSSL_NO_MD2
+EVP_PBE_alg_add(NID_pbeWithMD2AndDES_CBC, EVP_des_cbc(), EVP_md2(),
+ PKCS5_PBE_keyivgen);
+# endif
+# ifndef OPENSSL_NO_SHA
+EVP_PBE_alg_add(NID_pbeWithSHA1AndDES_CBC, EVP_des_cbc(), EVP_sha1(),
+ PKCS5_PBE_keyivgen);
+# endif
+#endif
+#ifndef OPENSSL_NO_RC2
+# ifndef OPENSSL_NO_MD5
+EVP_PBE_alg_add(NID_pbeWithMD5AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md5(),
+ PKCS5_PBE_keyivgen);
+# endif
+# ifndef OPENSSL_NO_MD2
+EVP_PBE_alg_add(NID_pbeWithMD2AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md2(),
+ PKCS5_PBE_keyivgen);
+# endif
+# ifndef OPENSSL_NO_SHA
+EVP_PBE_alg_add(NID_pbeWithSHA1AndRC2_CBC, EVP_rc2_64_cbc(), EVP_sha1(),
+ PKCS5_PBE_keyivgen);
+# endif
+#endif
+#ifndef OPENSSL_NO_HMAC
+EVP_PBE_alg_add(NID_pbes2, NULL, NULL, PKCS5_v2_PBE_keyivgen);
+#endif
+}
+
+int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
+ ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
+ int en_de)
+{
+ EVP_MD_CTX ctx;
+ unsigned char md_tmp[EVP_MAX_MD_SIZE];
+ unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
+ int i;
+ PBEPARAM *pbe;
+ int saltlen, iter;
+ unsigned char *salt;
+ const unsigned char *pbuf;
+
+ /* Extract useful info from parameter */
+ if (param == NULL || param->type != V_ASN1_SEQUENCE ||
+ param->value.sequence == NULL) {
+ EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
+ return 0;
+ }
+
+ pbuf = param->value.sequence->data;
+ if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
+ EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
+ return 0;
+ }
+
+ if (!pbe->iter) iter = 1;
+ else iter = ASN1_INTEGER_get (pbe->iter);
+ salt = pbe->salt->data;
+ saltlen = pbe->salt->length;
+
+ if(!pass) passlen = 0;
+ else if(passlen == -1) passlen = strlen(pass);
+
+ EVP_MD_CTX_init(&ctx);
+ EVP_DigestInit_ex(&ctx, md, NULL);
+ EVP_DigestUpdate(&ctx, pass, passlen);
+ EVP_DigestUpdate(&ctx, salt, saltlen);
+ PBEPARAM_free(pbe);
+ EVP_DigestFinal_ex(&ctx, md_tmp, NULL);
+ for (i = 1; i < iter; i++) {
+ EVP_DigestInit_ex(&ctx, md, NULL);
+ EVP_DigestUpdate(&ctx, md_tmp, EVP_MD_size(md));
+ EVP_DigestFinal_ex (&ctx, md_tmp, NULL);
+ }
+ EVP_MD_CTX_cleanup(&ctx);
+ OPENSSL_assert(EVP_CIPHER_key_length(cipher) <= (int)sizeof(md_tmp));
+ memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher));
+ OPENSSL_assert(EVP_CIPHER_iv_length(cipher) <= 16);
+ memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)),
+ EVP_CIPHER_iv_length(cipher));
+ EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de);
+ OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE);
+ OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
+ OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
+ return 1;
+}