more const

crypto/ecdsa/ecdsa.h

@@ -92,7 +92,7 @@ struct ecdsa_method
 	int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, 
 			BIGNUM **r);
 	int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, 
-			ECDSA_SIG *sig, EC_KEY *eckey);
+			const ECDSA_SIG *sig, EC_KEY *eckey);
 #if 0
 	int (*init)(EC_KEY *eckey);
 	int (*finish)(EC_KEY *eckey);
@@ -191,8 +191,8 @@ ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey);
  * \param eckey pointer to the EC_KEY object containing a public EC key
  * \return 1 if the signature is valid, 0 if the signature is invalid and -1 on error
  */
-int	  ECDSA_do_verify(const unsigned char *dgst, int dgst_len, ECDSA_SIG 
-		*sig, EC_KEY* eckey);
+int	  ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
+		const ECDSA_SIG *sig, EC_KEY* eckey);
 
 const ECDSA_METHOD *ECDSA_OpenSSL(void);
 

crypto/ecdsa/ecs_ossl.c

@@ -66,7 +66,7 @@ static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dlen,
 static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, 
 		BIGNUM **rp);
 static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len, 
-		ECDSA_SIG *sig, EC_KEY *eckey);
+		const ECDSA_SIG *sig, EC_KEY *eckey);
 
 static ECDSA_METHOD openssl_ecdsa_meth = {
 	"OpenSSL ECDSA method",
@@ -320,7 +320,7 @@ err:
 }
 
 static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
-		ECDSA_SIG *sig, EC_KEY *eckey)
+		const ECDSA_SIG *sig, EC_KEY *eckey)
 {
 	int ret = -1;
 	BN_CTX   *ctx;

crypto/ecdsa/ecs_vrf.c

 /* crypto/ecdsa/ecdsa_vrf.c */
+/*
+ * Written by Nils Larsch for the OpenSSL project
+ */
 /* ====================================================================
  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
  *
@@ -64,7 +67,7 @@
  *     -1: error
  */
 int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, 
-		ECDSA_SIG *sig, EC_KEY *eckey)
+		const ECDSA_SIG *sig, EC_KEY *eckey)
 	{
 	ECDSA_DATA *ecdsa = ecdsa_check(eckey);
 	if (ecdsa == NULL)