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Diffstat (limited to 'thirdparty/openssl/crypto/evp/p5_crpt2.c')
-rw-r--r--thirdparty/openssl/crypto/evp/p5_crpt2.c334
1 files changed, 0 insertions, 334 deletions
diff --git a/thirdparty/openssl/crypto/evp/p5_crpt2.c b/thirdparty/openssl/crypto/evp/p5_crpt2.c
deleted file mode 100644
index f2ae1e5790..0000000000
--- a/thirdparty/openssl/crypto/evp/p5_crpt2.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/* p5_crpt2.c */
-/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999-2006 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"
-#if !defined(OPENSSL_NO_HMAC) && !defined(OPENSSL_NO_SHA)
-# include <openssl/x509.h>
-# include <openssl/evp.h>
-# include <openssl/hmac.h>
-# include "evp_locl.h"
-
-/* set this to print out info about the keygen algorithm */
-/* #define DEBUG_PKCS5V2 */
-
-# ifdef DEBUG_PKCS5V2
-static void h__dump(const unsigned char *p, int len);
-# endif
-
-/*
- * This is an implementation of PKCS#5 v2.0 password based encryption key
- * derivation function PBKDF2. SHA1 version verified against test vectors
- * posted by Peter Gutmann <pgut001@cs.auckland.ac.nz> to the PKCS-TNG
- * <pkcs-tng@rsa.com> mailing list.
- */
-
-int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
- const unsigned char *salt, int saltlen, int iter,
- const EVP_MD *digest, int keylen, unsigned char *out)
-{
- unsigned char digtmp[EVP_MAX_MD_SIZE], *p, itmp[4];
- int cplen, j, k, tkeylen, mdlen;
- unsigned long i = 1;
- HMAC_CTX hctx_tpl, hctx;
-
- mdlen = EVP_MD_size(digest);
- if (mdlen < 0)
- return 0;
-
- HMAC_CTX_init(&hctx_tpl);
- p = out;
- tkeylen = keylen;
- if (!pass)
- passlen = 0;
- else if (passlen == -1)
- passlen = strlen(pass);
- if (!HMAC_Init_ex(&hctx_tpl, pass, passlen, digest, NULL)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- return 0;
- }
- while (tkeylen) {
- if (tkeylen > mdlen)
- cplen = mdlen;
- else
- cplen = tkeylen;
- /*
- * We are unlikely to ever use more than 256 blocks (5120 bits!) but
- * just in case...
- */
- itmp[0] = (unsigned char)((i >> 24) & 0xff);
- itmp[1] = (unsigned char)((i >> 16) & 0xff);
- itmp[2] = (unsigned char)((i >> 8) & 0xff);
- itmp[3] = (unsigned char)(i & 0xff);
- if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- return 0;
- }
- if (!HMAC_Update(&hctx, salt, saltlen)
- || !HMAC_Update(&hctx, itmp, 4)
- || !HMAC_Final(&hctx, digtmp, NULL)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- HMAC_CTX_cleanup(&hctx);
- return 0;
- }
- HMAC_CTX_cleanup(&hctx);
- memcpy(p, digtmp, cplen);
- for (j = 1; j < iter; j++) {
- if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- return 0;
- }
- if (!HMAC_Update(&hctx, digtmp, mdlen)
- || !HMAC_Final(&hctx, digtmp, NULL)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- HMAC_CTX_cleanup(&hctx);
- return 0;
- }
- HMAC_CTX_cleanup(&hctx);
- for (k = 0; k < cplen; k++)
- p[k] ^= digtmp[k];
- }
- tkeylen -= cplen;
- i++;
- p += cplen;
- }
- HMAC_CTX_cleanup(&hctx_tpl);
-# ifdef DEBUG_PKCS5V2
- fprintf(stderr, "Password:\n");
- h__dump(pass, passlen);
- fprintf(stderr, "Salt:\n");
- h__dump(salt, saltlen);
- fprintf(stderr, "Iteration count %d\n", iter);
- fprintf(stderr, "Key:\n");
- h__dump(out, keylen);
-# endif
- return 1;
-}
-
-int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
- const unsigned char *salt, int saltlen, int iter,
- int keylen, unsigned char *out)
-{
- return PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter, EVP_sha1(),
- keylen, out);
-}
-
-# ifdef DO_TEST
-main()
-{
- unsigned char out[4];
- unsigned char salt[] = { 0x12, 0x34, 0x56, 0x78 };
- PKCS5_PBKDF2_HMAC_SHA1("password", -1, salt, 4, 5, 4, out);
- fprintf(stderr, "Out %02X %02X %02X %02X\n",
- out[0], out[1], out[2], out[3]);
-}
-
-# endif
-
-/*
- * Now the key derivation function itself. This is a bit evil because it has
- * to check the ASN1 parameters are valid: and there are quite a few of
- * them...
- */
-
-int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
- ASN1_TYPE *param, const EVP_CIPHER *c,
- const EVP_MD *md, int en_de)
-{
- const unsigned char *pbuf;
- int plen;
- PBE2PARAM *pbe2 = NULL;
- const EVP_CIPHER *cipher;
-
- int rv = 0;
-
- if (param == NULL || param->type != V_ASN1_SEQUENCE ||
- param->value.sequence == NULL) {
- EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_DECODE_ERROR);
- goto err;
- }
-
- pbuf = param->value.sequence->data;
- plen = param->value.sequence->length;
- if (!(pbe2 = d2i_PBE2PARAM(NULL, &pbuf, plen))) {
- EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_DECODE_ERROR);
- goto err;
- }
-
- /* See if we recognise the key derivation function */
-
- if (OBJ_obj2nid(pbe2->keyfunc->algorithm) != NID_id_pbkdf2) {
- EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,
- EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION);
- goto err;
- }
-
- /*
- * lets see if we recognise the encryption algorithm.
- */
-
- cipher = EVP_get_cipherbyobj(pbe2->encryption->algorithm);
-
- if (!cipher) {
- EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_UNSUPPORTED_CIPHER);
- goto err;
- }
-
- /* Fixup cipher based on AlgorithmIdentifier */
- if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, en_de))
- goto err;
- if (EVP_CIPHER_asn1_to_param(ctx, pbe2->encryption->parameter) < 0) {
- EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_CIPHER_PARAMETER_ERROR);
- goto err;
- }
- rv = PKCS5_v2_PBKDF2_keyivgen(ctx, pass, passlen,
- pbe2->keyfunc->parameter, c, md, en_de);
- err:
- PBE2PARAM_free(pbe2);
- return rv;
-}
-
-int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
- int passlen, ASN1_TYPE *param,
- const EVP_CIPHER *c, const EVP_MD *md, int en_de)
-{
- unsigned char *salt, key[EVP_MAX_KEY_LENGTH];
- const unsigned char *pbuf;
- int saltlen, iter, plen;
- int rv = 0;
- unsigned int keylen = 0;
- int prf_nid, hmac_md_nid;
- PBKDF2PARAM *kdf = NULL;
- const EVP_MD *prfmd;
-
- if (EVP_CIPHER_CTX_cipher(ctx) == NULL) {
- EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_NO_CIPHER_SET);
- goto err;
- }
- keylen = EVP_CIPHER_CTX_key_length(ctx);
- OPENSSL_assert(keylen <= sizeof key);
-
- /* Decode parameter */
-
- if (!param || (param->type != V_ASN1_SEQUENCE)) {
- EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_DECODE_ERROR);
- goto err;
- }
-
- pbuf = param->value.sequence->data;
- plen = param->value.sequence->length;
-
- if (!(kdf = d2i_PBKDF2PARAM(NULL, &pbuf, plen))) {
- EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_DECODE_ERROR);
- goto err;
- }
-
- keylen = EVP_CIPHER_CTX_key_length(ctx);
-
- /* Now check the parameters of the kdf */
-
- if (kdf->keylength && (ASN1_INTEGER_get(kdf->keylength) != (int)keylen)) {
- EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_UNSUPPORTED_KEYLENGTH);
- goto err;
- }
-
- if (kdf->prf)
- prf_nid = OBJ_obj2nid(kdf->prf->algorithm);
- else
- prf_nid = NID_hmacWithSHA1;
-
- if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, prf_nid, NULL, &hmac_md_nid, 0)) {
- EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_UNSUPPORTED_PRF);
- goto err;
- }
-
- prfmd = EVP_get_digestbynid(hmac_md_nid);
- if (prfmd == NULL) {
- EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_UNSUPPORTED_PRF);
- goto err;
- }
-
- if (kdf->salt->type != V_ASN1_OCTET_STRING) {
- EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_UNSUPPORTED_SALT_TYPE);
- goto err;
- }
-
- /* it seems that its all OK */
- salt = kdf->salt->value.octet_string->data;
- saltlen = kdf->salt->value.octet_string->length;
- iter = ASN1_INTEGER_get(kdf->iter);
- if (!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter, prfmd,
- keylen, key))
- goto err;
- rv = EVP_CipherInit_ex(ctx, NULL, NULL, key, NULL, en_de);
- err:
- OPENSSL_cleanse(key, keylen);
- PBKDF2PARAM_free(kdf);
- return rv;
-}
-
-# ifdef DEBUG_PKCS5V2
-static void h__dump(const unsigned char *p, int len)
-{
- for (; len--; p++)
- fprintf(stderr, "%02X ", *p);
- fprintf(stderr, "\n");
-}
-# endif
-#endif
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