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Two new Poly1305 implementations: ctmul32 uses pure 32-bit multiplications (MUL15, constant-time on about everything); i15 uses the generic i15 big integers (MUL15 again), which is quite slow but also small.

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This commit is contained in:
Thomas Pornin 2017-01-05 19:47:00 +01:00
parent 28e4e120b8
commit 7fc1ef315f
7 changed files with 655 additions and 11 deletions
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15
test/test_speed.c
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@ -347,6 +347,19 @@ test_speed_poly1305_ctmul(void)
test_speed_poly1305_inner("Poly1305 (ctmul)", &br_poly1305_ctmul_run);
}
static void
test_speed_poly1305_ctmul32(void)
{
test_speed_poly1305_inner("Poly1305 (ctmul32)",
&br_poly1305_ctmul32_run);
}
static void
test_speed_poly1305_i15(void)
{
test_speed_poly1305_inner("Poly1305 (i15)", &br_poly1305_i15_run);
}
static const unsigned char RSA_N[] = {
0xE9, 0xF2, 0x4A, 0x2F, 0x96, 0xDF, 0x0A, 0x23,
0x01, 0x85, 0xF1, 0x2C, 0xB2, 0xA8, 0xEF, 0x23,
@ -1166,6 +1179,8 @@ static const struct {
STU(ghash_ctmul64),
STU(poly1305_ctmul),
STU(poly1305_ctmul32),
STU(poly1305_i15),
STU(rsa_i15),
STU(rsa_i31),