From 977cdadea8a77eed04f1f0fd341ba9dedc3fa783 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Sun, 20 Apr 2014 17:36:25 +0200
Subject: Add a built-in SHA256/SHA512 implementation.

This also moves the HMAC-SHA512 implementation to sha2.cpp.
---
 src/hash.cpp | 41 -----------------------------------------
 1 file changed, 41 deletions(-)

(limited to 'src/hash.cpp')

diff --git a/src/hash.cpp b/src/hash.cpp
index 7b054bd15..bddd8abf3 100644
--- a/src/hash.cpp
+++ b/src/hash.cpp
@@ -56,44 +56,3 @@ unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char
 
     return h1;
 }
-
-int HMAC_SHA512_Init(HMAC_SHA512_CTX *pctx, const void *pkey, size_t len)
-{
-    unsigned char key[128];
-    if (len <= 128)
-    {
-        memcpy(key, pkey, len);
-        memset(key + len, 0, 128-len);
-    }
-    else
-    {
-        SHA512_CTX ctxKey;
-        SHA512_Init(&ctxKey);
-        SHA512_Update(&ctxKey, pkey, len);
-        SHA512_Final(key, &ctxKey);
-        memset(key + 64, 0, 64);
-    }
-
-    for (int n=0; n<128; n++)
-        key[n] ^= 0x5c;
-    SHA512_Init(&pctx->ctxOuter);
-    SHA512_Update(&pctx->ctxOuter, key, 128);
-
-    for (int n=0; n<128; n++)
-        key[n] ^= 0x5c ^ 0x36;
-    SHA512_Init(&pctx->ctxInner);
-    return SHA512_Update(&pctx->ctxInner, key, 128);
-}
-
-int HMAC_SHA512_Update(HMAC_SHA512_CTX *pctx, const void *pdata, size_t len)
-{
-    return SHA512_Update(&pctx->ctxInner, pdata, len);
-}
-
-int HMAC_SHA512_Final(unsigned char *pmd, HMAC_SHA512_CTX *pctx)
-{
-    unsigned char buf[64];
-    SHA512_Final(buf, &pctx->ctxInner);
-    SHA512_Update(&pctx->ctxOuter, buf, 64);
-    return SHA512_Final(pmd, &pctx->ctxOuter);
-}
-- 
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