diff options
Diffstat (limited to 'crypto/seed/seed_cfb.c')
| -rw-r--r-- | crypto/seed/seed_cfb.c | 68 |
1 files changed, 32 insertions, 36 deletions
diff --git a/crypto/seed/seed_cfb.c b/crypto/seed/seed_cfb.c index 07d878a78889..a4f3c95dce8c 100644 --- a/crypto/seed/seed_cfb.c +++ b/crypto/seed/seed_cfb.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -54,21 +54,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * 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@cryptsoft.com). - * + * * 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: @@ -83,10 +83,10 @@ * Eric Young (eay@cryptsoft.com)" * 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 + * 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@cryptsoft.com)" - * + * * 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 @@ -98,7 +98,7 @@ * 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 @@ -110,35 +110,31 @@ void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out, size_t len, const SEED_KEY_SCHEDULE *ks, - unsigned char ivec[SEED_BLOCK_SIZE], int *num, int enc) - { - int n; - unsigned char c; + unsigned char ivec[SEED_BLOCK_SIZE], int *num, + int enc) +{ + int n; + unsigned char c; - n = *num; + n = *num; - if (enc) - { - while (len--) - { - if (n == 0) - SEED_encrypt(ivec, ivec, ks); - ivec[n] = *(out++) = *(in++) ^ ivec[n]; - n = (n+1) % SEED_BLOCK_SIZE; - } - } - else - { - while (len--) - { - if (n == 0) - SEED_encrypt(ivec, ivec, ks); - c = *(in); - *(out++) = *(in++) ^ ivec[n]; - ivec[n] = c; - n = (n+1) % SEED_BLOCK_SIZE; - } - } + if (enc) { + while (len--) { + if (n == 0) + SEED_encrypt(ivec, ivec, ks); + ivec[n] = *(out++) = *(in++) ^ ivec[n]; + n = (n + 1) % SEED_BLOCK_SIZE; + } + } else { + while (len--) { + if (n == 0) + SEED_encrypt(ivec, ivec, ks); + c = *(in); + *(out++) = *(in++) ^ ivec[n]; + ivec[n] = c; + n = (n + 1) % SEED_BLOCK_SIZE; + } + } - *num = n; - } + *num = n; +} |