Added sha1 support (for now?)

1 files changed, 60 insertions, 0 deletions

diff --git a/lib/libalpm/sha1.h b/lib/libalpm/sha1.h
new file mode 100644
index 00000000..22530eb9
--- /dev/null
+++ b/lib/libalpm/sha1.h
@@ -0,0 +1,60 @@
+/* Declarations of functions and data types used for SHA1 sum
+   library functions.
+   Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <stdio.h>
+#include <limits.h>
+
+#define rol(x,n) ( ((x) << (n)) | ((x) >> (32 -(n))) )
+/* The code below is from md5.h (from coreutils), little modifications */
+#define UINT_MAX_32_BITS 4294967295U
+
+#if UINT_MAX == UINT_MAX_32_BITS
+    typedef unsigned int sha_uint32;
+#else
+#if USHRT_MAX == UINT_MAX_32_BITS
+    typedef unsigned short sha_uint32;
+#else
+#if ULONG_MAX == UINT_MAX_32_BITS
+    typedef unsigned long sha_uint32;
+#else
+    /* The following line is intended to evoke an error. Using #error is not portable enough.  */
+#error "Cannot determine unsigned 32-bit data type"
+#endif
+#endif
+#endif
+/* We have to make a guess about the integer type equivalent in size
+   to pointers which should always be correct.  */
+typedef unsigned long int sha_uintptr;
+
+/* Structure to save state of computation between the single steps.  */
+struct sha_ctx
+{
+  sha_uint32 A;
+  sha_uint32 B;
+  sha_uint32 C;
+  sha_uint32 D;
+  sha_uint32 E;
+
+  sha_uint32 total[2];
+  sha_uint32 buflen;
+  char buffer[128];
+};
+
+
+/* Needed for pacman */
+char *_alpm_SHAFile (char *);