- somehow didn't add sha2.h

diff --git a/src/sha2.h b/src/sha2.h
new file mode 100644 (file)
index 0000000..2c139ae
--- /dev/null
+++ b/src/sha2.h
@@ -0,0 +1,86 @@
+/*
+ * FILE:       sha2.h
+ * AUTHOR:     Aaron D. Gifford <me@aarongifford.com>
+ * 
+ * Copyright (c) 2000-2001, Aaron D. Gifford
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``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 AUTHOR OR CONTRIBUTOR(S) 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.
+ *
+ * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
+ */
+
+#include <inttypes.h>
+
+
+/*** SHA-256/384/512 Various Length Definitions ***********************/
+#define SHA256_BLOCK_LENGTH            64
+#define SHA256_DIGEST_LENGTH           32
+#define SHA256_DIGEST_STRING_LENGTH    (SHA256_DIGEST_LENGTH * 2 + 1)
+#define SHA384_BLOCK_LENGTH            128
+#define SHA384_DIGEST_LENGTH           48
+#define SHA384_DIGEST_STRING_LENGTH    (SHA384_DIGEST_LENGTH * 2 + 1)
+#define SHA512_BLOCK_LENGTH            128
+#define SHA512_DIGEST_LENGTH           64
+#define SHA512_DIGEST_STRING_LENGTH    (SHA512_DIGEST_LENGTH * 2 + 1)
+
+
+/*** SHA-256/384/512 Context Structures *******************************/
+/* NOTE: If your architecture does not define either u_intXX_t types or
+ * uintXX_t (from inttypes.h), you may need to define things by hand
+ * for your system:
+ */
+typedef struct _SHA256_CTX {
+       uint32_t        state[8];
+       uint64_t        bitcount;
+       uint8_t buffer[SHA256_BLOCK_LENGTH];
+} SHA256_CTX;
+typedef struct _SHA512_CTX {
+       uint64_t        state[8];
+       uint64_t        bitcount[2];
+       uint8_t buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+
+typedef SHA512_CTX SHA384_CTX;
+
+
+/*** SHA-256/384/512 Function Prototypes ******************************/
+void sat_SHA256_Init(SHA256_CTX *);
+void sat_SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
+void sat_SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
+char* sat_SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
+char* sat_SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
+
+void sat_SHA384_Init(SHA384_CTX*);
+void sat_SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
+void sat_SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
+char* sat_SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
+char* sat_SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
+
+void sat_SHA512_Init(SHA512_CTX*);
+void sat_SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
+void sat_SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+char* sat_SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
+char* sat_SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);