diff options
Diffstat (limited to 'source4/heimdal/lib/hcrypto/rsa-imath.c')
| -rw-r--r-- | source4/heimdal/lib/hcrypto/rsa-imath.c | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/source4/heimdal/lib/hcrypto/rsa-imath.c b/source4/heimdal/lib/hcrypto/rsa-imath.c index 4926a0c4e0..5240279761 100644 --- a/source4/heimdal/lib/hcrypto/rsa-imath.c +++ b/source4/heimdal/lib/hcrypto/rsa-imath.c @@ -1,34 +1,34 @@ /* - * Copyright (c) 2006 - 2007 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. + * Copyright (c) 2006 - 2007 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: + * 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 above copyright - * notice, this list of conditions and the following disclaimer. + * 1. Redistributions of source code must retain the above 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. + * 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. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. */ #ifdef HAVE_CONFIG_H @@ -121,14 +121,14 @@ rsa_private_calculate(mp_int in, mp_int p, mp_int q, { mpz_t vp, vq, u; mp_int_init(&vp); mp_int_init(&vq); mp_int_init(&u); - + /* vq = c ^ (d mod (q - 1)) mod q */ /* vp = c ^ (d mod (p - 1)) mod p */ mp_int_mod(in, p, &u); mp_int_exptmod(&u, dmp1, p, &vp); mp_int_mod(in, q, &u); mp_int_exptmod(&u, dmq1, q, &vq); - + /* C2 = 1/q mod p (iqmp) */ /* u = (vp - vq)C2 mod p. */ mp_int_sub(&vp, &vq, &u); @@ -136,11 +136,11 @@ rsa_private_calculate(mp_int in, mp_int p, mp_int q, mp_int_add(&u, p, &u); mp_int_mul(&u, iqmp, &u); mp_int_mod(&u, p, &u); - + /* c ^ d mod n = vq + u q */ mp_int_mul(&u, q, &u); mp_int_add(&u, &vq, out); - + mp_int_clear(&vp); mp_int_clear(&vq); mp_int_clear(&u); @@ -153,7 +153,7 @@ rsa_private_calculate(mp_int in, mp_int p, mp_int q, */ static int -imath_rsa_public_encrypt(int flen, const unsigned char* from, +imath_rsa_public_encrypt(int flen, const unsigned char* from, unsigned char* to, RSA* rsa, int padding) { unsigned char *p, *p0; @@ -222,7 +222,7 @@ imath_rsa_public_encrypt(int flen, const unsigned char* from, } static int -imath_rsa_public_decrypt(int flen, const unsigned char* from, +imath_rsa_public_decrypt(int flen, const unsigned char* from, unsigned char* to, RSA* rsa, int padding) { unsigned char *p; @@ -294,7 +294,7 @@ imath_rsa_public_decrypt(int flen, const unsigned char* from, } static int -imath_rsa_private_encrypt(int flen, const unsigned char* from, +imath_rsa_private_encrypt(int flen, const unsigned char* from, unsigned char* to, RSA* rsa, int padding) { unsigned char *p, *p0; @@ -381,7 +381,7 @@ imath_rsa_private_encrypt(int flen, const unsigned char* from, mp_int_to_unsigned(&out, to, size); size = ssize; } - + out: mp_int_clear(&e); mp_int_clear(&n); @@ -392,7 +392,7 @@ out: } static int -imath_rsa_private_decrypt(int flen, const unsigned char* from, +imath_rsa_private_decrypt(int flen, const unsigned char* from, unsigned char* to, RSA* rsa, int padding) { unsigned char *ptr; @@ -505,7 +505,7 @@ random_num(mp_int num, size_t len) { unsigned char *p; mp_result res; - + len = (len + 7) / 8; p = malloc(len); if (p == NULL) @@ -624,7 +624,7 @@ out: return ret; } -static int +static int imath_rsa_init(RSA *rsa) { return 1; |