new function EC_GROUP_cmp() (used by EVP_PKEY_cmp())

[openssl.git] / crypto / ec / ec.h

diff --git a/crypto/ec/ec.h b/crypto/ec/ec.h
index 1013bd8fa4e60214806a4fb6f1c1ea2c7a5d1c23..dcffc8c049049e077ae9cedd38d4fd26e9376746 100644 (file)
--- a/crypto/ec/ec.h
+++ b/crypto/ec/ec.h
@@ -72,6 +72,8 @@
 #ifndef HEADER_EC_H
 #define HEADER_EC_H
 
+#include <openssl/opensslconf.h>
+
 #ifdef OPENSSL_NO_EC
 #error EC is disabled.
 #endif
@@ -164,6 +166,9 @@ int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx);
  * elliptic curve is not zero, 0 otherwise */
 int EC_GROUP_check_discriminant(const EC_GROUP *, BN_CTX *);
 
+/* EC_GROUP_cmp() returns 0 if both groups are equal and 1 otherwise */
+int EC_GROUP_cmp(const EC_GROUP *, const EC_GROUP *, BN_CTX *);
+
 /* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*()
  * after choosing an appropriate EC_METHOD */
 EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);