From 4bed94f0c11ef63587c6b2edb03c3c438e221604 Mon Sep 17 00:00:00 2001
From: Pauli <paul.dale@oracle.com>
Date: Wed, 17 Jan 2018 13:20:22 +1000
Subject: SHA512/224 and SHA512/256

Support added for these two digests, available only via the EVP interface.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5093)
---
 crypto/evp/m_sha1.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

(limited to 'crypto/evp/m_sha1.c')

diff --git a/crypto/evp/m_sha1.c b/crypto/evp/m_sha1.c
index 0fa184b310..d73e412b8d 100644
--- a/crypto/evp/m_sha1.c
+++ b/crypto/evp/m_sha1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -15,6 +15,7 @@
 #include <openssl/sha.h>
 #include <openssl/rsa.h>
 #include "internal/evp_int.h"
+#include "internal/sha.h"
 
 static int init(EVP_MD_CTX *ctx)
 {
@@ -173,6 +174,16 @@ const EVP_MD *EVP_sha256(void)
     return &sha256_md;
 }
 
+static int init512_224(EVP_MD_CTX *ctx)
+{
+    return sha512_224_init(EVP_MD_CTX_md_data(ctx));
+}
+
+static int init512_256(EVP_MD_CTX *ctx)
+{
+    return sha512_256_init(EVP_MD_CTX_md_data(ctx));
+}
+
 static int init384(EVP_MD_CTX *ctx)
 {
     return SHA384_Init(EVP_MD_CTX_md_data(ctx));
@@ -194,6 +205,44 @@ static int final512(EVP_MD_CTX *ctx, unsigned char *md)
     return SHA512_Final(md, EVP_MD_CTX_md_data(ctx));
 }
 
+static const EVP_MD sha512_224_md = {
+    NID_sha512_224,
+    NID_sha512_224WithRSAEncryption,
+    SHA224_DIGEST_LENGTH,
+    EVP_MD_FLAG_DIGALGID_ABSENT,
+    init512_224,
+    update512,
+    final512,
+    NULL,
+    NULL,
+    SHA512_CBLOCK,
+    sizeof(EVP_MD *) + sizeof(SHA512_CTX),
+};
+
+const EVP_MD *EVP_sha512_224(void)
+{
+    return &sha512_224_md;
+}
+
+static const EVP_MD sha512_256_md = {
+    NID_sha512_256,
+    NID_sha512_256WithRSAEncryption,
+    SHA256_DIGEST_LENGTH,
+    EVP_MD_FLAG_DIGALGID_ABSENT,
+    init512_256,
+    update512,
+    final512,
+    NULL,
+    NULL,
+    SHA512_CBLOCK,
+    sizeof(EVP_MD *) + sizeof(SHA512_CTX),
+};
+
+const EVP_MD *EVP_sha512_256(void)
+{
+    return &sha512_256_md;
+}
+
 static const EVP_MD sha384_md = {
     NID_sha384,
     NID_sha384WithRSAEncryption,
-- 
cgit v1.2.3