-/* p12_key.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) 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 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (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>
/* Uncomment out this line to get debugging info about key generation */
/*
- * #define DEBUG_KEYGEN
+ * #define OPENSSL_DEBUG_KEYGEN
*/
-#ifdef DEBUG_KEYGEN
+#ifdef OPENSSL_DEBUG_KEYGEN
# include <openssl/bio.h>
extern BIO *bio_err;
void h__dump(unsigned char *p, int len);
return ret;
}
+int PKCS12_key_gen_utf8(const char *pass, int passlen, unsigned char *salt,
+ int saltlen, int id, int iter, int n,
+ unsigned char *out, const EVP_MD *md_type)
+{
+ int ret;
+ unsigned char *unipass;
+ int uniplen;
+
+ if (!pass) {
+ unipass = NULL;
+ uniplen = 0;
+ } else if (!OPENSSL_utf82uni(pass, passlen, &unipass, &uniplen)) {
+ PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UTF8, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,
+ id, iter, n, out, md_type);
+ if (ret <= 0)
+ return 0;
+ OPENSSL_clear_free(unipass, uniplen);
+ return ret;
+}
+
int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,
int saltlen, int id, int iter, int n,
unsigned char *out, const EVP_MD *md_type)
{
- unsigned char *B, *D, *I, *p, *Ai;
- int Slen, Plen, Ilen, Ijlen;
+ unsigned char *B = NULL, *D = NULL, *I = NULL, *p = NULL, *Ai = NULL;
+ int Slen, Plen, Ilen;
int i, j, u, v;
int ret = 0;
- BIGNUM *Ij, *Bpl1; /* These hold Ij and B + 1 */
- EVP_MD_CTX ctx;
-#ifdef DEBUG_KEYGEN
+ EVP_MD_CTX *ctx = NULL;
+#ifdef OPENSSL_DEBUG_KEYGEN
unsigned char *tmpout = out;
int tmpn = n;
#endif
- EVP_MD_CTX_init(&ctx);
-#ifdef DEBUG_KEYGEN
+ ctx = EVP_MD_CTX_new();
+ if (ctx == NULL)
+ goto err;
+
+#ifdef OPENSSL_DEBUG_KEYGEN
fprintf(stderr, "KEYGEN DEBUG\n");
fprintf(stderr, "ID %d, ITER %d\n", id, iter);
fprintf(stderr, "Password (length %d):\n", passlen);
#endif
v = EVP_MD_block_size(md_type);
u = EVP_MD_size(md_type);
- if (u < 0)
- return 0;
+ if (u < 0 || v <= 0)
+ goto err;
D = OPENSSL_malloc(v);
Ai = OPENSSL_malloc(u);
B = OPENSSL_malloc(v + 1);
Plen = 0;
Ilen = Slen + Plen;
I = OPENSSL_malloc(Ilen);
- Ij = BN_new();
- Bpl1 = BN_new();
- if (D == NULL || Ai == NULL || B == NULL || I == NULL || Ij == NULL
- || Bpl1 == NULL)
+ if (D == NULL || Ai == NULL || B == NULL || I == NULL)
goto err;
for (i = 0; i < v; i++)
D[i] = id;
for (i = 0; i < Plen; i++)
*p++ = pass[i % passlen];
for (;;) {
- if (!EVP_DigestInit_ex(&ctx, md_type, NULL)
- || !EVP_DigestUpdate(&ctx, D, v)
- || !EVP_DigestUpdate(&ctx, I, Ilen)
- || !EVP_DigestFinal_ex(&ctx, Ai, NULL))
+ if (!EVP_DigestInit_ex(ctx, md_type, NULL)
+ || !EVP_DigestUpdate(ctx, D, v)
+ || !EVP_DigestUpdate(ctx, I, Ilen)
+ || !EVP_DigestFinal_ex(ctx, Ai, NULL))
goto err;
for (j = 1; j < iter; j++) {
- if (!EVP_DigestInit_ex(&ctx, md_type, NULL)
- || !EVP_DigestUpdate(&ctx, Ai, u)
- || !EVP_DigestFinal_ex(&ctx, Ai, NULL))
+ if (!EVP_DigestInit_ex(ctx, md_type, NULL)
+ || !EVP_DigestUpdate(ctx, Ai, u)
+ || !EVP_DigestFinal_ex(ctx, Ai, NULL))
goto err;
}
memcpy(out, Ai, min(n, u));
if (u >= n) {
-#ifdef DEBUG_KEYGEN
+#ifdef OPENSSL_DEBUG_KEYGEN
fprintf(stderr, "Output KEY (length %d)\n", tmpn);
h__dump(tmpout, tmpn);
#endif
out += u;
for (j = 0; j < v; j++)
B[j] = Ai[j % u];
- /* Work out B + 1 first then can use B as tmp space */
- if (!BN_bin2bn(B, v, Bpl1))
- goto err;
- if (!BN_add_word(Bpl1, 1))
- goto err;
for (j = 0; j < Ilen; j += v) {
- if (!BN_bin2bn(I + j, v, Ij))
- goto err;
- if (!BN_add(Ij, Ij, Bpl1))
- goto err;
- if (!BN_bn2bin(Ij, B))
- goto err;
- Ijlen = BN_num_bytes(Ij);
- /* If more than 2^(v*8) - 1 cut off MSB */
- if (Ijlen > v) {
- if (!BN_bn2bin(Ij, B))
- goto err;
- memcpy(I + j, B + 1, v);
-#ifndef PKCS12_BROKEN_KEYGEN
- /* If less than v bytes pad with zeroes */
- } else if (Ijlen < v) {
- memset(I + j, 0, v - Ijlen);
- if (!BN_bn2bin(Ij, I + j + v - Ijlen))
- goto err;
-#endif
- } else if (!BN_bn2bin(Ij, I + j))
- goto err;
+ int k;
+ unsigned char *Ij = I + j;
+ uint16_t c = 1;
+
+ /* Work out Ij = Ij + B + 1 */
+ for (k = v - 1; k >= 0; k--) {
+ c += Ij[k] + B[k];
+ Ij[k] = (unsigned char)c;
+ c >>= 8;
+ }
}
}
OPENSSL_free(B);
OPENSSL_free(D);
OPENSSL_free(I);
- BN_free(Ij);
- BN_free(Bpl1);
- EVP_MD_CTX_cleanup(&ctx);
+ EVP_MD_CTX_free(ctx);
return ret;
}
-#ifdef DEBUG_KEYGEN
+#ifdef OPENSSL_DEBUG_KEYGEN
void h__dump(unsigned char *p, int len)
{
for (; len--; p++)
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