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fe25519: Fix integer types of fe25519_iszero()

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Fixes T188

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Andreas Schneider
2019-10-31 13:52:49 +01:00
parent 922a2aee99
commit 31b26934b0
2 changed files with 3 additions and 3 deletions
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2
include/libssh/fe25519.h
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@@ -39,7 +39,7 @@ void fe25519_unpack(fe25519 *r, const unsigned char x[32]);
void fe25519_pack(unsigned char r[32], const fe25519 *x); void fe25519_pack(unsigned char r[32], const fe25519 *x);
int fe25519_iszero(const fe25519 *x); uint32_t fe25519_iszero(const fe25519 *x);
int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y); int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y);

4
src/external/fe25519.c vendored
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@@ -120,10 +120,10 @@ void fe25519_pack(unsigned char r[32], const fe25519 *x)
} }
} }
int fe25519_iszero(const fe25519 *x) uint32_t fe25519_iszero(const fe25519 *x)
{ {
int i; int i;
int r; uint32_t r;
fe25519 t = *x; fe25519 t = *x;
fe25519_freeze(&t); fe25519_freeze(&t);