Merge commit '7c621da28f07e449ad90c387344f07a453927569' as 'tcllib'

1 files changed, 83 insertions, 0 deletions

diff --git a/tcllib/modules/sha1/sha256.h b/tcllib/modules/sha1/sha256.h
new file mode 100644
index 0000000..c10d2f2
--- /dev/null
+++ b/tcllib/modules/sha1/sha256.h
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 2001, 2002 Allan Saddi <allan@saddi.com>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ *	$Id: sha256.h,v 1.4 2011/04/21 17:51:55 andreas_kupries Exp $
+ */
+
+#ifndef _SHA256_H
+#define _SHA256_H
+
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#else
+# if HAVE_STDINT_H
+#  include <stdint.h>
+# endif
+#endif
+
+#define SHA256_HASH_SIZE 32
+
+/* Hash size in 32-bit words */
+#define SHA256_HASH_WORDS 8
+
+#ifdef _MSC_VER
+typedef unsigned __int64    uint64_t;
+#elif !(defined(__hpux) || defined(_AIX))
+typedef unsigned long long  uint64_t;
+#endif
+
+#if !(defined(__hpux))
+typedef unsigned int        uint32_t;
+typedef unsigned char       uint8_t;
+#endif
+
+struct _SHA256Context {
+  uint64_t totalLength;
+  uint32_t hash[SHA256_HASH_WORDS];
+  uint32_t bufferLength;
+  union {
+    uint32_t words[16];
+    uint8_t bytes[64];
+  } buffer;
+};
+
+typedef struct _SHA256Context SHA256Context;
+typedef struct _SHA256Context SHA256_CTX;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void SHA256Init (SHA256Context *sc);
+void SHA256Update (SHA256Context *sc, const void *data, uint32_t len);
+void SHA256Final (SHA256Context *sc, uint8_t hash[SHA256_HASH_SIZE]);
+
+void SHA224Init (SHA256Context *sc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !_SHA256_H */