1 files changed, 57 insertions, 0 deletions
diff --git a/libc/sha.h b/libc/sha.h
new file mode 100644
index 0000000..1761a7b
--- /dev/null
+++ b/libc/sha.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the 
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _EMBEDDED_SHA_H_
+#define _EMBEDDED_SHA_H_
+
+#include <inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct SHA_CTX {
+    uint64_t count;
+    uint8_t buf[64];
+    uint32_t state[5];
+} SHA_CTX;
+
+void SHA_init(SHA_CTX *ctx);
+void SHA_update(SHA_CTX *ctx, const void* data, int len);
+const uint8_t* SHA_final(SHA_CTX *ctx);
+
+/* Convenience method. Returns digest parameter value. */
+const uint8_t* SHA(const void *data, int len, uint8_t *digest);
+
+#define SHA_DIGEST_SIZE 20
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif