diff options
Diffstat (limited to 'openssl/crypto/aes/aes_wrap.c')
-rw-r--r-- | openssl/crypto/aes/aes_wrap.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/openssl/crypto/aes/aes_wrap.c b/openssl/crypto/aes/aes_wrap.c deleted file mode 100644 index e2d73d37..00000000 --- a/openssl/crypto/aes/aes_wrap.c +++ /dev/null @@ -1,259 +0,0 @@ -/* crypto/aes/aes_wrap.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project. - */ -/* ==================================================================== - * Copyright (c) 2008 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. - * ==================================================================== - */ - -#include "cryptlib.h" -#include <openssl/aes.h> -#include <openssl/bio.h> - -static const unsigned char default_iv[] = { - 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, -}; - -int AES_wrap_key(AES_KEY *key, const unsigned char *iv, - unsigned char *out, - const unsigned char *in, unsigned int inlen) - { - unsigned char *A, B[16], *R; - unsigned int i, j, t; - if ((inlen & 0x7) || (inlen < 8)) - return -1; - A = B; - t = 1; - memcpy(out + 8, in, inlen); - if (!iv) - iv = default_iv; - - memcpy(A, iv, 8); - - for (j = 0; j < 6; j++) - { - R = out + 8; - for (i = 0; i < inlen; i += 8, t++, R += 8) - { - memcpy(B + 8, R, 8); - AES_encrypt(B, B, key); - A[7] ^= (unsigned char)(t & 0xff); - if (t > 0xff) - { - A[6] ^= (unsigned char)((t >> 8) & 0xff); - A[5] ^= (unsigned char)((t >> 16) & 0xff); - A[4] ^= (unsigned char)((t >> 24) & 0xff); - } - memcpy(R, B + 8, 8); - } - } - memcpy(out, A, 8); - return inlen + 8; - } - -int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, - unsigned char *out, - const unsigned char *in, unsigned int inlen) - { - unsigned char *A, B[16], *R; - unsigned int i, j, t; - inlen -= 8; - if (inlen & 0x7) - return -1; - if (inlen < 8) - return -1; - A = B; - t = 6 * (inlen >> 3); - memcpy(A, in, 8); - memcpy(out, in + 8, inlen); - for (j = 0; j < 6; j++) - { - R = out + inlen - 8; - for (i = 0; i < inlen; i += 8, t--, R -= 8) - { - A[7] ^= (unsigned char)(t & 0xff); - if (t > 0xff) - { - A[6] ^= (unsigned char)((t >> 8) & 0xff); - A[5] ^= (unsigned char)((t >> 16) & 0xff); - A[4] ^= (unsigned char)((t >> 24) & 0xff); - } - memcpy(B + 8, R, 8); - AES_decrypt(B, B, key); - memcpy(R, B + 8, 8); - } - } - if (!iv) - iv = default_iv; - if (memcmp(A, iv, 8)) - { - OPENSSL_cleanse(out, inlen); - return 0; - } - return inlen; - } - -#ifdef AES_WRAP_TEST - -int AES_wrap_unwrap_test(const unsigned char *kek, int keybits, - const unsigned char *iv, - const unsigned char *eout, - const unsigned char *key, int keylen) - { - unsigned char *otmp = NULL, *ptmp = NULL; - int r, ret = 0; - AES_KEY wctx; - otmp = OPENSSL_malloc(keylen + 8); - ptmp = OPENSSL_malloc(keylen); - if (!otmp || !ptmp) - return 0; - if (AES_set_encrypt_key(kek, keybits, &wctx)) - goto err; - r = AES_wrap_key(&wctx, iv, otmp, key, keylen); - if (r <= 0) - goto err; - - if (eout && memcmp(eout, otmp, keylen)) - goto err; - - if (AES_set_decrypt_key(kek, keybits, &wctx)) - goto err; - r = AES_unwrap_key(&wctx, iv, ptmp, otmp, r); - - if (memcmp(key, ptmp, keylen)) - goto err; - - ret = 1; - - err: - if (otmp) - OPENSSL_free(otmp); - if (ptmp) - OPENSSL_free(ptmp); - - return ret; - - } - - - -int main(int argc, char **argv) -{ - -static const unsigned char kek[] = { - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f -}; - -static const unsigned char key[] = { - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, - 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f -}; - -static const unsigned char e1[] = { - 0x1f, 0xa6, 0x8b, 0x0a, 0x81, 0x12, 0xb4, 0x47, - 0xae, 0xf3, 0x4b, 0xd8, 0xfb, 0x5a, 0x7b, 0x82, - 0x9d, 0x3e, 0x86, 0x23, 0x71, 0xd2, 0xcf, 0xe5 -}; - -static const unsigned char e2[] = { - 0x96, 0x77, 0x8b, 0x25, 0xae, 0x6c, 0xa4, 0x35, - 0xf9, 0x2b, 0x5b, 0x97, 0xc0, 0x50, 0xae, 0xd2, - 0x46, 0x8a, 0xb8, 0xa1, 0x7a, 0xd8, 0x4e, 0x5d -}; - -static const unsigned char e3[] = { - 0x64, 0xe8, 0xc3, 0xf9, 0xce, 0x0f, 0x5b, 0xa2, - 0x63, 0xe9, 0x77, 0x79, 0x05, 0x81, 0x8a, 0x2a, - 0x93, 0xc8, 0x19, 0x1e, 0x7d, 0x6e, 0x8a, 0xe7 -}; - -static const unsigned char e4[] = { - 0x03, 0x1d, 0x33, 0x26, 0x4e, 0x15, 0xd3, 0x32, - 0x68, 0xf2, 0x4e, 0xc2, 0x60, 0x74, 0x3e, 0xdc, - 0xe1, 0xc6, 0xc7, 0xdd, 0xee, 0x72, 0x5a, 0x93, - 0x6b, 0xa8, 0x14, 0x91, 0x5c, 0x67, 0x62, 0xd2 -}; - -static const unsigned char e5[] = { - 0xa8, 0xf9, 0xbc, 0x16, 0x12, 0xc6, 0x8b, 0x3f, - 0xf6, 0xe6, 0xf4, 0xfb, 0xe3, 0x0e, 0x71, 0xe4, - 0x76, 0x9c, 0x8b, 0x80, 0xa3, 0x2c, 0xb8, 0x95, - 0x8c, 0xd5, 0xd1, 0x7d, 0x6b, 0x25, 0x4d, 0xa1 -}; - -static const unsigned char e6[] = { - 0x28, 0xc9, 0xf4, 0x04, 0xc4, 0xb8, 0x10, 0xf4, - 0xcb, 0xcc, 0xb3, 0x5c, 0xfb, 0x87, 0xf8, 0x26, - 0x3f, 0x57, 0x86, 0xe2, 0xd8, 0x0e, 0xd3, 0x26, - 0xcb, 0xc7, 0xf0, 0xe7, 0x1a, 0x99, 0xf4, 0x3b, - 0xfb, 0x98, 0x8b, 0x9b, 0x7a, 0x02, 0xdd, 0x21 -}; - - AES_KEY wctx, xctx; - int ret; - ret = AES_wrap_unwrap_test(kek, 128, NULL, e1, key, 16); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 192, NULL, e2, key, 16); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 256, NULL, e3, key, 16); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 192, NULL, e4, key, 24); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 256, NULL, e5, key, 24); - fprintf(stderr, "Key test result %d\n", ret); - ret = AES_wrap_unwrap_test(kek, 256, NULL, e6, key, 32); - fprintf(stderr, "Key test result %d\n", ret); -} - - -#endif |