Add a const qualifier to the second argument of EVP_DigestVerifyFinal(3).

tested in a bulk build by sthen
ok beck (as part of a larger diff)

2 files changed, 5 insertions, 4 deletions

diff --git a/src/lib/libcrypto/evp/evp.h b/src/lib/libcrypto/evp/evp.h
index 817d4fb734..fd9d4ed263 100644
--- a/src/lib/libcrypto/evp/evp.h
+++ b/src/lib/libcrypto/evp/evp.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: evp.h,v 1.59 2018/05/02 15:51:41 tb Exp $ */
+/* $OpenBSD: evp.h,v 1.60 2018/05/13 06:35:10 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -617,7 +617,8 @@ int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen);
 
 int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
     const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
-int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen);
+int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
+    size_t siglen);
 
 int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
     const unsigned char *ek, int ekl, const unsigned char *iv, EVP_PKEY *priv);
diff --git a/src/lib/libcrypto/evp/m_sigver.c b/src/lib/libcrypto/evp/m_sigver.c
index 6e955d9480..9e313c3630 100644
--- a/src/lib/libcrypto/evp/m_sigver.c
+++ b/src/lib/libcrypto/evp/m_sigver.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: m_sigver.c,v 1.6 2017/01/29 17:49:23 beck Exp $ */
+/* $OpenBSD: m_sigver.c,v 1.7 2018/05/13 06:35:10 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -166,7 +166,7 @@ EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen)
 }
 
 int
-EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen)
+EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig, size_t siglen)
 {
         EVP_MD_CTX tmp_ctx;
         unsigned char md[EVP_MAX_MD_SIZE];