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Hakase
2018-06-02 16:25:21 +09:00
parent 9335fb2e19
commit e3a2ed3d39
37 changed files with 938 additions and 222 deletions
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crypto/ec/curve448/eddsa.c
-4
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@@ -253,7 +253,6 @@ c448_error_t c448_ed448_verify(
curve448_point_decode_like_eddsa_and_mul_by_ratio(pk_point, pubkey);
curve448_scalar_t challenge_scalar;
curve448_scalar_t response_scalar;
unsigned int c;
if (C448_SUCCESS != error)
return error;
@@ -291,9 +290,6 @@ c448_error_t c448_ed448_verify(
&signature[EDDSA_448_PUBLIC_BYTES],
EDDSA_448_PRIVATE_BYTES);
for (c = 1; c < C448_EDDSA_DECODE_RATIO; c <<= 1)
curve448_scalar_add(response_scalar, response_scalar, response_scalar);
/* pk_point = -c(x(P)) + (cx + k)G = kG */
curve448_base_double_scalarmul_non_secret(pk_point,
response_scalar,