Use libsecp256k1's RFC6979 implementation

1 files changed, 0 insertions, 36 deletions

diff --git a/src/crypto/rfc6979_hmac_sha256.h b/src/crypto/rfc6979_hmac_sha256.h
deleted file mode 100644
index f3a54a5d11..0000000000
--- a/src/crypto/rfc6979_hmac_sha256.h
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright (c) 2014 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef BITCOIN_RFC6979_HMAC_SHA256_H
-#define BITCOIN_RFC6979_HMAC_SHA256_H
-
-#include "crypto/hmac_sha256.h"
-
-#include <stdint.h>
-#include <stdlib.h>
-
-/** The RFC 6979 PRNG using HMAC-SHA256. */
-class RFC6979_HMAC_SHA256
-{
-private:
-    unsigned char V[CHMAC_SHA256::OUTPUT_SIZE];
-    unsigned char K[CHMAC_SHA256::OUTPUT_SIZE];
-    bool retry;
-
-public:
-    /**
-     * Construct a new RFC6979 PRNG, using the given key and message.
-     * The message is assumed to be already hashed.
-     */
-    RFC6979_HMAC_SHA256(const unsigned char* key, size_t keylen, const unsigned char* msg, size_t msglen);
-
-    /**
-     * Generate a byte array.
-     */
-    void Generate(unsigned char* output, size_t outputlen);
-
-    ~RFC6979_HMAC_SHA256();
-};
-
-#endif // BITCOIN_RFC6979_HMAC_SHA256_H