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| author | cvs2svn <admin@example.com> | 2016-07-23 19:31:36 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2016-07-23 19:31:36 +0000 |
| commit | 86c49b31af735796dfde37aa29473a30d36367db (patch) | |
| tree | e9a354a92a348338fe2b361e2eda703cae23cfab /src/lib/libcrypto/aes/aes_wrap.c | |
| parent | 19d5fe348e8926bac4521c5807aa64c45b8f7a41 (diff) | |
| download | openbsd-86c49b31af735796dfde37aa29473a30d36367db.tar.gz openbsd-86c49b31af735796dfde37aa29473a30d36367db.tar.bz2 openbsd-86c49b31af735796dfde37aa29473a30d36367db.zip | |
This commit was manufactured by cvs2git to create tag 'OPENBSD_6_0_BASE'.
Diffstat (limited to 'src/lib/libcrypto/aes/aes_wrap.c')
| -rw-r--r-- | src/lib/libcrypto/aes/aes_wrap.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/src/lib/libcrypto/aes/aes_wrap.c b/src/lib/libcrypto/aes/aes_wrap.c deleted file mode 100644 index ac2f83a993..0000000000 --- a/src/lib/libcrypto/aes/aes_wrap.c +++ /dev/null | |||
| @@ -1,133 +0,0 @@ | |||
| 1 | /* $OpenBSD: aes_wrap.c,v 1.10 2015/09/10 15:56:24 jsing Exp $ */ | ||
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
| 3 | * project. | ||
| 4 | */ | ||
| 5 | /* ==================================================================== | ||
| 6 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | ||
| 7 | * | ||
| 8 | * Redistribution and use in source and binary forms, with or without | ||
| 9 | * modification, are permitted provided that the following conditions | ||
| 10 | * are met: | ||
| 11 | * | ||
| 12 | * 1. Redistributions of source code must retain the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer. | ||
| 14 | * | ||
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 16 | * notice, this list of conditions and the following disclaimer in | ||
| 17 | * the documentation and/or other materials provided with the | ||
| 18 | * distribution. | ||
| 19 | * | ||
| 20 | * 3. All advertising materials mentioning features or use of this | ||
| 21 | * software must display the following acknowledgment: | ||
| 22 | * "This product includes software developed by the OpenSSL Project | ||
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
| 24 | * | ||
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 26 | * endorse or promote products derived from this software without | ||
| 27 | * prior written permission. For written permission, please contact | ||
| 28 | * licensing@OpenSSL.org. | ||
| 29 | * | ||
| 30 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 31 | * nor may "OpenSSL" appear in their names without prior written | ||
| 32 | * permission of the OpenSSL Project. | ||
| 33 | * | ||
| 34 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 35 | * acknowledgment: | ||
| 36 | * "This product includes software developed by the OpenSSL Project | ||
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 38 | * | ||
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 51 | * ==================================================================== | ||
| 52 | */ | ||
| 53 | |||
| 54 | #include <string.h> | ||
| 55 | |||
| 56 | #include <openssl/aes.h> | ||
| 57 | #include <openssl/bio.h> | ||
| 58 | |||
| 59 | static const unsigned char default_iv[] = { | ||
| 60 | 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, | ||
| 61 | }; | ||
| 62 | |||
| 63 | int | ||
| 64 | AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, | ||
| 65 | const unsigned char *in, unsigned int inlen) | ||
| 66 | { | ||
| 67 | unsigned char *A, B[16], *R; | ||
| 68 | unsigned int i, j, t; | ||
| 69 | if ((inlen & 0x7) || (inlen < 8)) | ||
| 70 | return -1; | ||
| 71 | A = B; | ||
| 72 | t = 1; | ||
| 73 | memcpy(out + 8, in, inlen); | ||
| 74 | if (!iv) | ||
| 75 | iv = default_iv; | ||
| 76 | |||
| 77 | memcpy(A, iv, 8); | ||
| 78 | |||
| 79 | for (j = 0; j < 6; j++) { | ||
| 80 | R = out + 8; | ||
| 81 | for (i = 0; i < inlen; i += 8, t++, R += 8) { | ||
| 82 | memcpy(B + 8, R, 8); | ||
| 83 | AES_encrypt(B, B, key); | ||
| 84 | A[7] ^= (unsigned char)(t & 0xff); | ||
| 85 | if (t > 0xff) { | ||
| 86 | A[6] ^= (unsigned char)((t >> 8) & 0xff); | ||
| 87 | A[5] ^= (unsigned char)((t >> 16) & 0xff); | ||
| 88 | A[4] ^= (unsigned char)((t >> 24) & 0xff); | ||
| 89 | } | ||
| 90 | memcpy(R, B + 8, 8); | ||
| 91 | } | ||
| 92 | } | ||
| 93 | memcpy(out, A, 8); | ||
| 94 | return inlen + 8; | ||
| 95 | } | ||
| 96 | |||
| 97 | int | ||
| 98 | AES_unwrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, | ||
| 99 | const unsigned char *in, unsigned int inlen) | ||
| 100 | { | ||
| 101 | unsigned char *A, B[16], *R; | ||
| 102 | unsigned int i, j, t; | ||
| 103 | inlen -= 8; | ||
| 104 | if (inlen & 0x7) | ||
| 105 | return -1; | ||
| 106 | if (inlen < 8) | ||
| 107 | return -1; | ||
| 108 | A = B; | ||
| 109 | t = 6 * (inlen >> 3); | ||
| 110 | memcpy(A, in, 8); | ||
| 111 | memcpy(out, in + 8, inlen); | ||
| 112 | for (j = 0; j < 6; j++) { | ||
| 113 | R = out + inlen - 8; | ||
| 114 | for (i = 0; i < inlen; i += 8, t--, R -= 8) { | ||
| 115 | A[7] ^= (unsigned char)(t & 0xff); | ||
| 116 | if (t > 0xff) { | ||
| 117 | A[6] ^= (unsigned char)((t >> 8) & 0xff); | ||
| 118 | A[5] ^= (unsigned char)((t >> 16) & 0xff); | ||
| 119 | A[4] ^= (unsigned char)((t >> 24) & 0xff); | ||
| 120 | } | ||
| 121 | memcpy(B + 8, R, 8); | ||
| 122 | AES_decrypt(B, B, key); | ||
| 123 | memcpy(R, B + 8, 8); | ||
| 124 | } | ||
| 125 | } | ||
| 126 | if (!iv) | ||
| 127 | iv = default_iv; | ||
| 128 | if (memcmp(A, iv, 8)) { | ||
| 129 | explicit_bzero(out, inlen); | ||
| 130 | return 0; | ||
| 131 | } | ||
| 132 | return inlen; | ||
| 133 | } | ||
