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Fix an unsigned/signed mismatch.

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This commit is contained in:
Richard Levitte 2002-11-19 11:28:28 +00:00
parent 25ff76d565
commit 821385ad00
1 changed files with 3 additions and 2 deletions
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5
crypto/bn/bn_gf2m.c
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@ -854,6 +854,7 @@ int BN_GF2m_mod_sqrt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
int BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a_, const unsigned int p[], BN_CTX *ctx)
{
int ret = 0, i, count = 0;
unsigned int j;
BIGNUM *a, *z, *rho, *w, *w2, *tmp;
BN_CTX_start(ctx);
@ -874,7 +875,7 @@ int BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a_, const unsigned int p
{
/* compute half-trace of a */
if (!BN_copy(z, a)) goto err;
for (i = 1; i <= (p[0] - 1) / 2; i++)
for (j = 1; j <= (p[0] - 1) / 2; j++)
{
if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx)) goto err;
if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx)) goto err;
@ -894,7 +895,7 @@ int BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a_, const unsigned int p
if (!BN_GF2m_mod_arr(rho, rho, p)) goto err;
if (!BN_zero(z)) goto err;
if (!BN_copy(w, rho)) goto err;
for (i = 1; i <= p[0] - 1; i++)
for (j = 1; j <= p[0] - 1; j++)
{
if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx)) goto err;
if (!BN_GF2m_mod_sqr_arr(w2, w, p, ctx)) goto err;