Commit 04ca1689 authored by Bodo Möller's avatar Bodo Möller
Browse files

BN_mod_exp problems ...

parent 20f88b9b

crypto/bn/bntest.c

+10 −0
Original line number Diff line number Diff line
@@ -956,7 +956,17 @@ int test_kron(BIO *bp, BN_CTX *ctx) 
		if (!BN_sub_word(r, 1)) goto err;

		if (!BN_rshift1(r, r)) goto err;

		/* r := a^r mod b */

#if 0 /* These three variants should produce the same result, but with

       * BN_mod_exp_recp or BN_mod_exp_simple, the test fails with

       * the "Legendre symbol computation failed" error.

       * (Platform: debug-solaris-sparcv9-gcc)

       */

		if (!BN_mod_exp(r, a, r, b, ctx)) goto err;

#elsif 0

		if (!BN_mod_exp_recp(r, a, r, b, ctx)) goto err;

#else

		if (!BN_mod_exp_simple(r, a, r, b, ctx)) goto err;

#endif



		if (BN_is_word(r, 1))

			legendre = 1;