1 files changed, 38 insertions, 0 deletions
diff --git a/C/Sha1.h b/C/Sha1.h
new file mode 100644
index 00000000..e578a826
--- /dev/null
+++ b/C/Sha1.h
@@ -0,0 +1,38 @@
+/* Sha1.h -- SHA-1 Hash
+2015-03-04 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_SHA1_H
+#define __7Z_SHA1_H
+
+#include "7zTypes.h"
+
+EXTERN_C_BEGIN
+
+#define SHA1_NUM_BLOCK_WORDS  16
+#define SHA1_NUM_DIGEST_WORDS  5
+
+#define SHA1_BLOCK_SIZE   (SHA1_NUM_BLOCK_WORDS * 4)
+#define SHA1_DIGEST_SIZE  (SHA1_NUM_DIGEST_WORDS * 4)
+
+typedef struct
+{
+  UInt32 state[SHA1_NUM_DIGEST_WORDS];
+  UInt64 count;
+  UInt32 buffer[SHA1_NUM_BLOCK_WORDS];
+} CSha1;
+
+void Sha1_Init(CSha1 *p);
+
+void Sha1_GetBlockDigest(CSha1 *p, const UInt32 *data, UInt32 *destDigest);
+void Sha1_Update(CSha1 *p, const Byte *data, size_t size);
+void Sha1_Final(CSha1 *p, Byte *digest);
+
+void Sha1_Update_Rar(CSha1 *p, Byte *data, size_t size, int rar350Mode);
+
+void Sha1_32_PrepareBlock(const CSha1 *p, UInt32 *block, unsigned size);
+void Sha1_32_Update(CSha1 *p, const UInt32 *data, size_t size);
+void Sha1_32_Final(CSha1 *p, UInt32 *digest);
+
+EXTERN_C_END
+
+#endif