remove obsolete part of comment

[openssl.git] / crypto / bn / bn_sqrt.c

diff --git a/crypto/bn/bn_sqrt.c b/crypto/bn/bn_sqrt.c
index 52dbc68a131e8859a4f77f0ef06317b1880b1689..463d4a81394fb57a3db51e3bc5c2abd13e497fc9 100644 (file)
--- a/crypto/bn/bn_sqrt.c
+++ b/crypto/bn/bn_sqrt.c
@@ -65,8 +65,6 @@ BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
  * using the Tonelli/Shanks algorithm (cf. Henri Cohen, "A Course
  * in Algebraic Computational Number Theory", algorithm 1.5.1).
  * 'p' must be prime!
- * If 'a' is not a square, this is not necessarily detected by
- * the algorithms; a bogus result must be expected in this case.
  */
        {
        BIGNUM *ret = in;
@@ -109,16 +107,6 @@ BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
                return ret;
                }
 
-#if 0 /* if BN_mod_sqrt is used with correct input, this just wastes time */
-       r = BN_kronecker(a, p, ctx);
-       if (r < -1) return NULL;
-       if (r == -1)
-               {
-               BNerr(BN_F_BN_MOD_SQRT, BN_R_NOT_A_SQUARE);
-               return(NULL);
-               }
-#endif
-
        BN_CTX_start(ctx);
        A = BN_CTX_get(ctx);
        b = BN_CTX_get(ctx);