1 files changed, 63 insertions, 0 deletions

diff --git a/lib/cryptopp/sha.h b/lib/cryptopp/sha.h
new file mode 100644
index 000000000..679081e8f
--- /dev/null
+++ b/lib/cryptopp/sha.h
@@ -0,0 +1,63 @@
+#ifndef CRYPTOPP_SHA_H
+#define CRYPTOPP_SHA_H
+
+#include "iterhash.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a>
+class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1>
+{
+public:
+	static void CRYPTOPP_API InitState(HashWordType *state);
+	static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
+	static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-1";}
+};
+
+typedef SHA1 SHA;	// for backwards compatibility
+
+//! implements the SHA-256 standard
+class CRYPTOPP_DLL SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256, 32, true>
+{
+public:
+#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE)
+	size_t HashMultipleBlocks(const word32 *input, size_t length);
+#endif
+	static void CRYPTOPP_API InitState(HashWordType *state);
+	static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);
+	static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-256";}
+};
+
+//! implements the SHA-224 standard
+class CRYPTOPP_DLL SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28, true>
+{
+public:
+#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE)
+	size_t HashMultipleBlocks(const word32 *input, size_t length);
+#endif
+	static void CRYPTOPP_API InitState(HashWordType *state);
+	static void CRYPTOPP_API Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);}
+	static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-224";}
+};
+
+//! implements the SHA-512 standard
+class CRYPTOPP_DLL SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512, 64, CRYPTOPP_BOOL_X86>
+{
+public:
+	static void CRYPTOPP_API InitState(HashWordType *state);
+	static void CRYPTOPP_API Transform(word64 *digest, const word64 *data);
+	static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-512";}
+};
+
+//! implements the SHA-384 standard
+class CRYPTOPP_DLL SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48, CRYPTOPP_BOOL_X86>
+{
+public:
+	static void CRYPTOPP_API InitState(HashWordType *state);
+	static void CRYPTOPP_API Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);}
+	static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-384";}
+};
+
+NAMESPACE_END
+
+#endif