From e8a2cf6d1f84035a7af4766e6a7b2120ef5f16c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Mon, 24 Feb 2014 12:00:17 +0200
Subject: [PATCH] Make the SHA1Result function write the output into a byte
 array

---
 test/sha1.c | 10 ++++++++--
 test/sha1.h |  2 +-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/test/sha1.c b/test/sha1.c
index ae3f7fb4..08a93d1d 100644
--- a/test/sha1.c
+++ b/test/sha1.c
@@ -111,11 +111,13 @@ void SHA1Reset(SHA1Context *context)
  *
  *  Description:
  *      This function will return the 160-bit message digest into the
- *      Message_Digest array within the SHA1Context provided
+ *      digest array provided as a parameter.
  *
  *  Parameters:
  *      context: [in/out]
  *          The context to use to calculate the SHA-1 hash.
+ *      digest: [out]
+ *          An array of characters where the digest is written.
  *
  *  Returns:
  *      1 if successful, 0 if it failed.
@@ -123,8 +125,9 @@ void SHA1Reset(SHA1Context *context)
  *  Comments:
  *
  */
-int SHA1Result(SHA1Context *context)
+int SHA1Result(SHA1Context *context, unsigned char *digest)
 {
+    int i;
 
     if (context->Corrupted)
     {
@@ -137,6 +140,9 @@ int SHA1Result(SHA1Context *context)
         context->Computed = 1;
     }
 
+    for (i = 0; i < SHA_DIGEST_LENGTH; i++)
+        digest[i] = context->Message_Digest[i / 4] >> (8 * (3 - (i % 4)));
+
     return 1;
 }
 
diff --git a/test/sha1.h b/test/sha1.h
index 3cc1bf59..50caae68 100644
--- a/test/sha1.h
+++ b/test/sha1.h
@@ -72,7 +72,7 @@ typedef struct SHA1Context
  *  Function Prototypes
  */
 void SHA1Reset(SHA1Context *);
-int SHA1Result(SHA1Context *);
+int SHA1Result(SHA1Context *, unsigned char *);
 void SHA1Input( SHA1Context *,
                 const unsigned char *,
                 unsigned);