diff options
Diffstat (limited to 'openssl/crypto/bf/bf_skey.c')
| -rw-r--r-- | openssl/crypto/bf/bf_skey.c | 105 |
1 files changed, 53 insertions, 52 deletions
diff --git a/openssl/crypto/bf/bf_skey.c b/openssl/crypto/bf/bf_skey.c index 3b0bca41a..2cb3c66c8 100644 --- a/openssl/crypto/bf/bf_skey.c +++ b/openssl/crypto/bf/bf_skey.c @@ -5,21 +5,21 @@ * 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: @@ -34,10 +34,10 @@ * 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 @@ -49,7 +49,7 @@ * 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 @@ -65,60 +65,61 @@ void BF_set_key(BF_KEY *key, int len, const unsigned char *data) #ifdef OPENSSL_FIPS - { - fips_cipher_abort(BLOWFISH); - private_BF_set_key(key, len, data); - } +{ + fips_cipher_abort(BLOWFISH); + private_BF_set_key(key, len, data); +} + void private_BF_set_key(BF_KEY *key, int len, const unsigned char *data) #endif - { - int i; - BF_LONG *p,ri,in[2]; - const unsigned char *d,*end; - - - memcpy(key,&bf_init,sizeof(BF_KEY)); - p=key->P; +{ + int i; + BF_LONG *p, ri, in[2]; + const unsigned char *d, *end; - if (len > ((BF_ROUNDS+2)*4)) len=(BF_ROUNDS+2)*4; + memcpy(key, &bf_init, sizeof(BF_KEY)); + p = key->P; - d=data; - end= &(data[len]); - for (i=0; i<(BF_ROUNDS+2); i++) - { - ri= *(d++); - if (d >= end) d=data; + if (len > ((BF_ROUNDS + 2) * 4)) + len = (BF_ROUNDS + 2) * 4; - ri<<=8; - ri|= *(d++); - if (d >= end) d=data; + 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; + ri <<= 8; + ri |= *(d++); + if (d >= end) + d = data; - p[i]^=ri; - } + ri <<= 8; + ri |= *(d++); + if (d >= end) + d = data; - in[0]=0L; - in[1]=0L; - for (i=0; i<(BF_ROUNDS+2); i+=2) - { - BF_encrypt(in,key); - p[i ]=in[0]; - p[i+1]=in[1]; - } + p[i] ^= ri; + } - p=key->S; - for (i=0; i<4*256; i+=2) - { - BF_encrypt(in,key); - p[i ]=in[0]; - p[i+1]=in[1]; - } - } + in[0] = 0L; + in[1] = 0L; + for (i = 0; i < (BF_ROUNDS + 2); i += 2) { + BF_encrypt(in, key); + p[i] = in[0]; + p[i + 1] = in[1]; + } + p = key->S; + for (i = 0; i < 4 * 256; i += 2) { + BF_encrypt(in, key); + p[i] = in[0]; + p[i + 1] = in[1]; + } +} |