**diff options**

Diffstat (limited to 'crypto/rc2/rc2_skey.c')

-rw-r--r-- | crypto/rc2/rc2_skey.c | 162 |

1 files changed, 83 insertions, 79 deletions

diff --git a/crypto/rc2/rc2_skey.c b/crypto/rc2/rc2_skey.c index 6668ac011f0d..bcec0a85d254 100644 --- a/crypto/rc2/rc2_skey.c +++ b/crypto/rc2/rc2_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 @@ -60,94 +60,98 @@ #include <openssl/rc2.h> #include "rc2_locl.h" -static const unsigned char key_table[256]={ - 0xd9,0x78,0xf9,0xc4,0x19,0xdd,0xb5,0xed,0x28,0xe9,0xfd,0x79, - 0x4a,0xa0,0xd8,0x9d,0xc6,0x7e,0x37,0x83,0x2b,0x76,0x53,0x8e, - 0x62,0x4c,0x64,0x88,0x44,0x8b,0xfb,0xa2,0x17,0x9a,0x59,0xf5, - 0x87,0xb3,0x4f,0x13,0x61,0x45,0x6d,0x8d,0x09,0x81,0x7d,0x32, - 0xbd,0x8f,0x40,0xeb,0x86,0xb7,0x7b,0x0b,0xf0,0x95,0x21,0x22, - 0x5c,0x6b,0x4e,0x82,0x54,0xd6,0x65,0x93,0xce,0x60,0xb2,0x1c, - 0x73,0x56,0xc0,0x14,0xa7,0x8c,0xf1,0xdc,0x12,0x75,0xca,0x1f, - 0x3b,0xbe,0xe4,0xd1,0x42,0x3d,0xd4,0x30,0xa3,0x3c,0xb6,0x26, - 0x6f,0xbf,0x0e,0xda,0x46,0x69,0x07,0x57,0x27,0xf2,0x1d,0x9b, - 0xbc,0x94,0x43,0x03,0xf8,0x11,0xc7,0xf6,0x90,0xef,0x3e,0xe7, - 0x06,0xc3,0xd5,0x2f,0xc8,0x66,0x1e,0xd7,0x08,0xe8,0xea,0xde, - 0x80,0x52,0xee,0xf7,0x84,0xaa,0x72,0xac,0x35,0x4d,0x6a,0x2a, - 0x96,0x1a,0xd2,0x71,0x5a,0x15,0x49,0x74,0x4b,0x9f,0xd0,0x5e, - 0x04,0x18,0xa4,0xec,0xc2,0xe0,0x41,0x6e,0x0f,0x51,0xcb,0xcc, - 0x24,0x91,0xaf,0x50,0xa1,0xf4,0x70,0x39,0x99,0x7c,0x3a,0x85, - 0x23,0xb8,0xb4,0x7a,0xfc,0x02,0x36,0x5b,0x25,0x55,0x97,0x31, - 0x2d,0x5d,0xfa,0x98,0xe3,0x8a,0x92,0xae,0x05,0xdf,0x29,0x10, - 0x67,0x6c,0xba,0xc9,0xd3,0x00,0xe6,0xcf,0xe1,0x9e,0xa8,0x2c, - 0x63,0x16,0x01,0x3f,0x58,0xe2,0x89,0xa9,0x0d,0x38,0x34,0x1b, - 0xab,0x33,0xff,0xb0,0xbb,0x48,0x0c,0x5f,0xb9,0xb1,0xcd,0x2e, - 0xc5,0xf3,0xdb,0x47,0xe5,0xa5,0x9c,0x77,0x0a,0xa6,0x20,0x68, - 0xfe,0x7f,0xc1,0xad, - }; +static const unsigned char key_table[256] = { + 0xd9, 0x78, 0xf9, 0xc4, 0x19, 0xdd, 0xb5, 0xed, 0x28, 0xe9, 0xfd, 0x79, + 0x4a, 0xa0, 0xd8, 0x9d, 0xc6, 0x7e, 0x37, 0x83, 0x2b, 0x76, 0x53, 0x8e, + 0x62, 0x4c, 0x64, 0x88, 0x44, 0x8b, 0xfb, 0xa2, 0x17, 0x9a, 0x59, 0xf5, + 0x87, 0xb3, 0x4f, 0x13, 0x61, 0x45, 0x6d, 0x8d, 0x09, 0x81, 0x7d, 0x32, + 0xbd, 0x8f, 0x40, 0xeb, 0x86, 0xb7, 0x7b, 0x0b, 0xf0, 0x95, 0x21, 0x22, + 0x5c, 0x6b, 0x4e, 0x82, 0x54, 0xd6, 0x65, 0x93, 0xce, 0x60, 0xb2, 0x1c, + 0x73, 0x56, 0xc0, 0x14, 0xa7, 0x8c, 0xf1, 0xdc, 0x12, 0x75, 0xca, 0x1f, + 0x3b, 0xbe, 0xe4, 0xd1, 0x42, 0x3d, 0xd4, 0x30, 0xa3, 0x3c, 0xb6, 0x26, + 0x6f, 0xbf, 0x0e, 0xda, 0x46, 0x69, 0x07, 0x57, 0x27, 0xf2, 0x1d, 0x9b, + 0xbc, 0x94, 0x43, 0x03, 0xf8, 0x11, 0xc7, 0xf6, 0x90, 0xef, 0x3e, 0xe7, + 0x06, 0xc3, 0xd5, 0x2f, 0xc8, 0x66, 0x1e, 0xd7, 0x08, 0xe8, 0xea, 0xde, + 0x80, 0x52, 0xee, 0xf7, 0x84, 0xaa, 0x72, 0xac, 0x35, 0x4d, 0x6a, 0x2a, + 0x96, 0x1a, 0xd2, 0x71, 0x5a, 0x15, 0x49, 0x74, 0x4b, 0x9f, 0xd0, 0x5e, + 0x04, 0x18, 0xa4, 0xec, 0xc2, 0xe0, 0x41, 0x6e, 0x0f, 0x51, 0xcb, 0xcc, + 0x24, 0x91, 0xaf, 0x50, 0xa1, 0xf4, 0x70, 0x39, 0x99, 0x7c, 0x3a, 0x85, + 0x23, 0xb8, 0xb4, 0x7a, 0xfc, 0x02, 0x36, 0x5b, 0x25, 0x55, 0x97, 0x31, + 0x2d, 0x5d, 0xfa, 0x98, 0xe3, 0x8a, 0x92, 0xae, 0x05, 0xdf, 0x29, 0x10, + 0x67, 0x6c, 0xba, 0xc9, 0xd3, 0x00, 0xe6, 0xcf, 0xe1, 0x9e, 0xa8, 0x2c, + 0x63, 0x16, 0x01, 0x3f, 0x58, 0xe2, 0x89, 0xa9, 0x0d, 0x38, 0x34, 0x1b, + 0xab, 0x33, 0xff, 0xb0, 0xbb, 0x48, 0x0c, 0x5f, 0xb9, 0xb1, 0xcd, 0x2e, + 0xc5, 0xf3, 0xdb, 0x47, 0xe5, 0xa5, 0x9c, 0x77, 0x0a, 0xa6, 0x20, 0x68, + 0xfe, 0x7f, 0xc1, 0xad, +}; #if defined(_MSC_VER) && defined(_ARM_) -#pragma optimize("g",off) +# pragma optimize("g",off) #endif -/* It has come to my attention that there are 2 versions of the RC2 - * key schedule. One which is normal, and anther which has a hook to - * use a reduced key length. - * BSAFE uses the 'retarded' version. What I previously shipped is - * the same as specifying 1024 for the 'bits' parameter. Bsafe uses - * a version where the bits parameter is the same as len*8 */ +/* + * It has come to my attention that there are 2 versions of the RC2 key + * schedule. One which is normal, and anther which has a hook to use a + * reduced key length. BSAFE uses the 'retarded' version. What I previously + * shipped is the same as specifying 1024 for the 'bits' parameter. Bsafe + * uses a version where the bits parameter is the same as len*8 + */ void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits) #ifdef OPENSSL_FIPS - { - fips_cipher_abort(RC2); - private_RC2_set_key(key, len, data, bits); - } -void private_RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits) +{ + fips_cipher_abort(RC2); + private_RC2_set_key(key, len, data, bits); +} + +void private_RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, + int bits) #endif - { - int i,j; - unsigned char *k; - RC2_INT *ki; - unsigned int c,d; +{ + int i, j; + unsigned char *k; + RC2_INT *ki; + unsigned int c, d; - k= (unsigned char *)&(key->data[0]); - *k=0; /* for if there is a zero length key */ + k = (unsigned char *)&(key->data[0]); + *k = 0; /* for if there is a zero length key */ - if (len > 128) len=128; - if (bits <= 0) bits=1024; - if (bits > 1024) bits=1024; + if (len > 128) + len = 128; + if (bits <= 0) + bits = 1024; + if (bits > 1024) + bits = 1024; - for (i=0; i<len; i++) - k[i]=data[i]; + for (i = 0; i < len; i++) + k[i] = data[i]; - /* expand table */ - d=k[len-1]; - j=0; - for (i=len; i < 128; i++,j++) - { - d=key_table[(k[j]+d)&0xff]; - k[i]=d; - } + /* expand table */ + d = k[len - 1]; + j = 0; + for (i = len; i < 128; i++, j++) { + d = key_table[(k[j] + d) & 0xff]; + k[i] = d; + } - /* hmm.... key reduction to 'bits' bits */ + /* hmm.... key reduction to 'bits' bits */ - j=(bits+7)>>3; - i=128-j; - c= (0xff>>(-bits & 0x07)); + j = (bits + 7) >> 3; + i = 128 - j; + c = (0xff >> (-bits & 0x07)); - d=key_table[k[i]&c]; - k[i]=d; - while (i--) - { - d=key_table[k[i+j]^d]; - k[i]=d; - } + d = key_table[k[i] & c]; + k[i] = d; + while (i--) { + d = key_table[k[i + j] ^ d]; + k[i] = d; + } - /* copy from bytes into RC2_INT's */ - ki= &(key->data[63]); - for (i=127; i>=0; i-=2) - *(ki--)=((k[i]<<8)|k[i-1])&0xffff; - } + /* copy from bytes into RC2_INT's */ + ki = &(key->data[63]); + for (i = 127; i >= 0; i -= 2) + *(ki--) = ((k[i] << 8) | k[i - 1]) & 0xffff; +} #if defined(_MSC_VER) -#pragma optimize("",on) +# pragma optimize("",on) #endif |