diff options
Diffstat (limited to 'libs/libaxolotl/src/curve25519/ed25519/additions/sc_neg.c')
| -rw-r--r-- | libs/libaxolotl/src/curve25519/ed25519/additions/sc_neg.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/libs/libaxolotl/src/curve25519/ed25519/additions/sc_neg.c b/libs/libaxolotl/src/curve25519/ed25519/additions/sc_neg.c deleted file mode 100644 index ef407d405e..0000000000 --- a/libs/libaxolotl/src/curve25519/ed25519/additions/sc_neg.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <string.h> -#include "crypto_additions.h" -#include "sc.h" - -/* l = order of base point = 2^252 + 27742317777372353535851937790883648493 */ - -/* -static unsigned char l[32] = {0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, - 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x10}; -*/ - -static unsigned char lminus1[32] = {0xec, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, - 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}; - -/* b = -a (mod l) */ -void sc_neg(unsigned char *b, const unsigned char *a) -{ - unsigned char zero[32]; - memset(zero, 0, 32); - sc_muladd(b, lminus1, a, zero); /* b = (-1)a + 0 (mod l) */ -} |