diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ec25519.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/src/ec25519.c b/src/ec25519.c index d35e368..889264d 100644 --- a/src/ec25519.c +++ b/src/ec25519.c @@ -72,11 +72,14 @@ static void squeeze(unsigned int a[32]) { u += a[31]; a[31] = u; } -static const unsigned int minusp[32] = { - 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128 -}; - static void freeze(unsigned int a[32]) { + static const unsigned int minusp[32] = { + 19, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 128 + }; + unsigned int aorig[32]; unsigned int j; unsigned int negative; @@ -186,15 +189,6 @@ static void select(unsigned int out[32], const unsigned int r[32], const unsigne } } -static const unsigned int rho_s[32] = { - 0xb0, 0xa0, 0x0e, 0x4a, 0x27, 0x1b, 0xee, 0xc4, - 0x78, 0xe4, 0x2f, 0xad, 0x06, 0x18, 0x43, 0x2f, - 0xa7, 0xd7, 0xfb, 0x3d, 0x99, 0x00, 0x4d, 0x2b, - 0x0b, 0xdf, 0xc1, 0x4f, 0x80, 0x24, 0x83, 0x2b -}; - -static const unsigned int zero[32] = {0}; - static void square_root(unsigned int out[32], const unsigned int z[32]) { static const unsigned int minus1[32] = { 0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, @@ -203,6 +197,13 @@ static void square_root(unsigned int out[32], const unsigned int z[32]) { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }; + static const unsigned int rho_s[32] = { + 0xb0, 0xa0, 0x0e, 0x4a, 0x27, 0x1b, 0xee, 0xc4, + 0x78, 0xe4, 0x2f, 0xad, 0x06, 0x18, 0x43, 0x2f, + 0xa7, 0xd7, 0xfb, 0x3d, 0x99, 0x00, 0x4d, 0x2b, + 0x0b, 0xdf, 0xc1, 0x4f, 0x80, 0x24, 0x83, 0x2b + }; + /* raise z to power (2^252-2), check if power (2^253-5) equals -1 */ unsigned int z2[32]; @@ -344,6 +345,8 @@ static void recip(unsigned int out[32], const unsigned int z[32]) { } void ecc_25519_load(ecc_25519_work *out, const ecc_public_key_256 *in) { + static const unsigned int zero[32] = {0}; + int i; unsigned int X2[32], _1_a_X2[32], d_X2_a_X2[32], Y[32], Yt[32]; unsigned int d_X2[32] = {0x04, 0x6d, 0x07} /* 486660 */, a_X2[32] = {0x08, 0x6d, 0x07} /* 486664 */; |