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-rw-r--r--src/hash.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/hash.cpp b/src/hash.cpp
index 4c09f5f646..83b90ae063 100644
--- a/src/hash.cpp
+++ b/src/hash.cpp
@@ -77,3 +77,10 @@ void BIP32Hash(const ChainCode &chainCode, unsigned int nChild, unsigned char he
num[3] = (nChild >> 0) & 0xFF;
CHMAC_SHA512(chainCode.begin(), chainCode.size()).Write(&header, 1).Write(data, 32).Write(num, 4).Finalize(output);
}
+
+uint256 SHA256Uint256(const uint256& input)
+{
+ uint256 result;
+ CSHA256().Write(input.begin(), 32).Finalize(result.begin());
+ return result;
+}