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sha256.h

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+/* Sha256.h -- SHA-256 Hash
+2016-11-04 : Marc Bevand : A few changes to make it more self-contained
+2010-06-11 : Igor Pavlov : Public domain */
+
+#ifndef __CRYPTO_SHA256_H
+#define __CRYPTO_SHA256_H
+
+#define SHA256_DIGEST_SIZE 32
+
+typedef struct
+{
+  uint32_t state[8];
+  uint64_t count;
+  uint8_t buffer[64];
+} CSha256;
+
+void Sha256_Init(CSha256 *p);
+void Sha256_Update(CSha256 *p, const uint8_t *data, size_t size);
+void Sha256_Final(CSha256 *p, uint8_t *digest);
+void Sha256_Onestep(const uint8_t *data, size_t size, uint8_t *digest);
+
+#endif