| ecp_nistp256.c (302408) | ecp_nistp256.c (325337) |
|---|---|
| 1/* crypto/ec/ecp_nistp256.c */ 2/* 3 * Written by Adam Langley (Google) for the OpenSSL project 4 */ 5/* Copyright 2011 Google Inc. 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * --- 963 unchanged lines hidden (view full) --- 972 973 is_zero |= is_p; 974 975 result = is_zero; 976 result |= ((limb) is_zero) << 64; 977 return result; 978} 979 | 1/* crypto/ec/ecp_nistp256.c */ 2/* 3 * Written by Adam Langley (Google) for the OpenSSL project 4 */ 5/* Copyright 2011 Google Inc. 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * --- 963 unchanged lines hidden (view full) --- 972 973 is_zero |= is_p; 974 975 result = is_zero; 976 result |= ((limb) is_zero) << 64; 977 return result; 978} 979 |
| 980static int smallfelem_is_zero_int(const smallfelem small) | 980static int smallfelem_is_zero_int(const void *small) |
| 981{ 982 return (int)(smallfelem_is_zero(small) & ((limb) 1)); 983} 984 985/*- 986 * felem_inv calculates |out| = |in|^{-1} 987 * 988 * Based on Fermat's Little Theorem: --- 985 unchanged lines hidden (view full) --- 1974 * Runs in constant time, unless an input is the point at infinity (which 1975 * normally shouldn't happen). 1976 */ 1977 ec_GFp_nistp_points_make_affine_internal(num, 1978 points, 1979 sizeof(smallfelem), 1980 tmp_smallfelems, 1981 (void (*)(void *))smallfelem_one, | 981{ 982 return (int)(smallfelem_is_zero(small) & ((limb) 1)); 983} 984 985/*- 986 * felem_inv calculates |out| = |in|^{-1} 987 * 988 * Based on Fermat's Little Theorem: --- 985 unchanged lines hidden (view full) --- 1974 * Runs in constant time, unless an input is the point at infinity (which 1975 * normally shouldn't happen). 1976 */ 1977 ec_GFp_nistp_points_make_affine_internal(num, 1978 points, 1979 sizeof(smallfelem), 1980 tmp_smallfelems, 1981 (void (*)(void *))smallfelem_one, |
| 1982 (int (*)(const void *)) | |
| 1983 smallfelem_is_zero_int, 1984 (void (*)(void *, const void *)) 1985 smallfelem_assign, 1986 (void (*)(void *, const void *)) 1987 smallfelem_square_contract, 1988 (void (*) 1989 (void *, const void *, 1990 const void *)) --- 379 unchanged lines hidden --- | 1982 smallfelem_is_zero_int, 1983 (void (*)(void *, const void *)) 1984 smallfelem_assign, 1985 (void (*)(void *, const void *)) 1986 smallfelem_square_contract, 1987 (void (*) 1988 (void *, const void *, 1989 const void *)) --- 379 unchanged lines hidden --- |