Make BN_mod_inverse a little faster (b6cafbd7) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP OpenSSL

crypto/bn/bn_gcd.c

+5 −5

Original line number	Diff line number	Diff line
		@@ -338,15 +338,15 @@ BIGNUM BN_mod_inverse(BIGNUM in,
		{
		if (!BN_lshift1(tmp,X)) goto err;
		}
		else if (BN_is_word(D,3))
		{
		if (!BN_lshift1(tmp,X)) goto err;
		if (!BN_add(tmp,tmp,X)) goto err;
		}
		else if (BN_is_word(D,4))
		{
		if (!BN_lshift(tmp,X,2)) goto err;
		}
		else if (D->top == 1)
		{
		if (!BN_copy(tmp,X)) goto err;
		if (!BN_mul_word(tmp,D->d[0])) goto err;
		}
		else
		{
		if (!BN_mul(tmp,D,X,ctx)) goto err;