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l -> L

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This commit is contained in:
Frank Denis
2016-04-02 00:44:41 +02:00
parent d4fd35d543
commit 95114d8592
1 changed files with 6 additions and 5 deletions
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src/libsodium/crypto_sign/ed25519/ref10/open.c
+6 -5
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@@ -11,9 +11,10 @@
#ifndef ED25519_COMPAT
static int
crypto_sign_check_S_lt_l(const unsigned char *S)
crypto_sign_check_S_lt_L(const unsigned char *S)
{
static const unsigned char l[32] =
/* 2^252+27742317777372353535851937790883648493 */
static const 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,
@@ -24,8 +25,8 @@ crypto_sign_check_S_lt_l(const unsigned char *S)
do {
i--;
c |= ((S[i] - l[i]) >> 8) & n;
n &= ((S[i] ^ l[i]) - 1) >> 8;
c |= ((S[i] - L[i]) >> 8) & n;
n &= ((S[i] ^ L[i]) - 1) >> 8;
} while (i != 0);
return -(c == 0);
@@ -91,7 +92,7 @@ crypto_sign_ed25519_verify_detached(const unsigned char *sig,
ge_p2 R;
#ifndef ED25519_COMPAT
if (crypto_sign_check_S_lt_l(sig + 32) != 0 ||
if (crypto_sign_check_S_lt_L(sig + 32) != 0 ||
small_order(sig) != 0) {
return -1;
}