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Added optimised implementation of P-256 that uses 32->64 multiplications (MUL31).

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This commit is contained in:
Thomas Pornin 2017-01-16 18:04:40 +01:00
parent 89ea3b1876
commit bd3036844b
9 changed files with 1700 additions and 27 deletions
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18
test/test_speed.c
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@ -691,6 +691,13 @@ test_speed_ec_p256_m15(void)
&br_ec_p256_m15, &br_secp256r1);
}
static void
test_speed_ec_p256_m31(void)
{
test_speed_ec_inner("EC p256_m31",
&br_ec_p256_m31, &br_secp256r1);
}
static void
test_speed_ec_prime_i15(void)
{
@ -835,6 +842,15 @@ test_speed_ecdsa_p256_m15(void)
&br_ecdsa_i15_vrfy_asn1);
}
static void
test_speed_ecdsa_p256_m31(void)
{
test_speed_ecdsa_inner("ECDSA m31 P-256",
&br_ec_p256_m31, &br_secp256r1,
&br_ecdsa_i31_sign_asn1,
&br_ecdsa_i31_vrfy_asn1);
}
static void
test_speed_ecdsa_i15(void)
{
@ -1282,11 +1298,13 @@ static const struct {
STU(ec_prime_i15),
STU(ec_prime_i31),
STU(ec_p256_m15),
STU(ec_p256_m31),
STU(ec_c25519_i15),
STU(ec_c25519_i31),
STU(ec_c25519_m15),
STU(ec_c25519_m31),
STU(ecdsa_p256_m15),
STU(ecdsa_p256_m31),
STU(ecdsa_i15),
STU(ecdsa_i31),