Commit eca441b2 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

bn_exp.c: fix x86_64-specific crash with one-word modulus. 

PR: #3397
parent 5cc99c6c

crypto/bn/bn_exp.c

+1 −1
Original line number Diff line number Diff line
@@ -909,7 +909,7 @@ int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p, 


    /* Dedicated window==4 case improves 512-bit RSA sign by ~15%, but as

     * 512-bit RSA is hardly relevant, we omit it to spare size... */ 

    if (window==5)

    if (window==5 && top>1)

	{

	void bn_mul_mont_gather5(BN_ULONG *rp,const BN_ULONG *ap,

			const void *table,const BN_ULONG *np,