From af9a3893c75bea9cdb40ebd337ad14721e571211 Mon Sep 17 00:00:00 2001
From: tb <>
Date: Sun, 17 Mar 2019 18:17:45 +0000
Subject: Provide EVP_PKEY_get0_hmac(). From OpenSSL 1.1.1 which is still
 freely licensed.

From jsing
---
 src/lib/libcrypto/evp/p_lib.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'src/lib/libcrypto/evp/p_lib.c')

diff --git a/src/lib/libcrypto/evp/p_lib.c b/src/lib/libcrypto/evp/p_lib.c
index 0e4c38e218..13a9d65f28 100644
--- a/src/lib/libcrypto/evp/p_lib.c
+++ b/src/lib/libcrypto/evp/p_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: p_lib.c,v 1.24 2018/05/30 15:40:50 tb Exp $ */
+/* $OpenBSD: p_lib.c,v 1.25 2019/03/17 18:17:45 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -282,6 +282,22 @@ EVP_PKEY_get0(const EVP_PKEY *pkey)
 	return pkey->pkey.ptr;
 }
 
+const unsigned char *
+EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len)
+{
+	ASN1_OCTET_STRING *os;
+
+	if (pkey->type != EVP_PKEY_HMAC) {
+		EVPerror(EVP_R_EXPECTING_AN_HMAC_KEY);
+		return NULL;
+	}
+
+	os = EVP_PKEY_get0(pkey);
+	*len = os->length;
+
+	return os->data;
+}
+
 #ifndef OPENSSL_NO_RSA
 RSA *
 EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
-- 
cgit v1.2.3-55-g6feb