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Diffstat (limited to 'benchmarks/CHStone/blowfish/bf_skey.c')
| -rwxr-xr-x | benchmarks/CHStone/blowfish/bf_skey.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/benchmarks/CHStone/blowfish/bf_skey.c b/benchmarks/CHStone/blowfish/bf_skey.c new file mode 100755 index 0000000..774b6b5 --- /dev/null +++ b/benchmarks/CHStone/blowfish/bf_skey.c @@ -0,0 +1,151 @@ +/* ++--------------------------------------------------------------------------+ +| CHStone : a suite of benchmark programs for C-based High-Level Synthesis | +| ======================================================================== | +| | +| * Collected and Modified : Y. Hara, H. Tomiyama, S. Honda, | +| H. Takada and K. Ishii | +| Nagoya University, Japan | +| | +| * Remark : | +| 1. This source code is modified to unify the formats of the benchmark | +| programs in CHStone. | +| 2. Test vectors are added for CHStone. | +| 3. If "main_result" is 0 at the end of the program, the program is | +| correctly executed. | +| 4. Please follow the copyright of each benchmark program. | ++--------------------------------------------------------------------------+ +*/ +/* crypto/bf/bf_skey.c */ +/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@mincom.oz.au). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@mincom.oz.au). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@mincom.oz.au)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@mincom.oz.au)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS 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 AUTHOR OR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +void +local_memcpy (BF_LONG * s1, const BF_LONG * s2, int n) +{ + BF_LONG *p1; + const BF_LONG *p2; + + p1 = s1; + p2 = s2; + + while (n-- > 0) + { + *p1 = *p2; + p1++; + p2++; + } +} + +void +BF_set_key (int len, unsigned char *data) +{ + int i; + BF_LONG *p, ri, in[2]; + unsigned char *d, *end; + + local_memcpy (key_P, bf_init_P, BF_ROUNDS + 2); + local_memcpy (key_S, bf_init_S, 4 * 256); + p = key_P; + + if (len > ((BF_ROUNDS + 2) * 4)) + len = (BF_ROUNDS + 2) * 4; + + d = data; + end = &(data[len]); + for (i = 0; i < (BF_ROUNDS + 2); i++) + { + ri = *(d++); + if (d >= end) + d = data; + + ri <<= 8; + ri |= *(d++); + if (d >= end) + d = data; + + ri <<= 8; + ri |= *(d++); + if (d >= end) + d = data; + + ri <<= 8; + ri |= *(d++); + if (d >= end) + d = data; + + p[i] ^= ri; + } + + in[0] = 0L; + in[1] = 0L; + for (i = 0; i < (BF_ROUNDS + 2); i += 2) + { + BF_encrypt (in, BF_ENCRYPT); + p[i] = in[0]; + p[i + 1] = in[1]; + } + + p = key_S; + for (i = 0; i < 4 * 256; i += 2) + { + BF_encrypt (in, BF_ENCRYPT); + p[i] = in[0]; + p[i + 1] = in[1]; + } + +} |