restore Build,TODO from r57911

git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 97 insertions, 0 deletions

diff --git a/Build/source/texk/dvipdfm-x/dpxcrypt.h b/Build/source/texk/dvipdfm-x/dpxcrypt.h
new file mode 100644
index 00000000000..2ae8234627d
--- /dev/null
+++ b/Build/source/texk/dvipdfm-x/dpxcrypt.h
@@ -0,0 +1,97 @@
+/* This is DVIPDFMx, an eXtended version of DVIPDFM by Mark A. Wicks.
+
+    Copyright (C) 2003-2020 by Jin-Hwan Cho and Shunsaku Hirata,
+    the dvipdfmx project team.
+    
+    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 of the License, 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.
+*/
+
+#ifndef _DPXCRYPT_H_
+#define _DPXCRYPT_H_
+
+#include <stdio.h>
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+/* libgcrypt md5 */
+typedef struct {
+  uint32_t      A, B, C, D; /* chaining variables */
+  size_t        nblocks;
+  unsigned char buf[64];
+  int count;
+} MD5_CONTEXT;
+
+void MD5_init (MD5_CONTEXT *ctx);
+void MD5_write(MD5_CONTEXT *ctx, const unsigned char *inbuf, unsigned int inlen);
+void MD5_final(unsigned char *outbuf, MD5_CONTEXT *ctx);
+
+typedef struct {
+  uint32_t      h0,h1,h2,h3,h4,h5,h6,h7;
+  size_t        nblocks;
+  unsigned char buf[64];
+  int           count;
+} SHA256_CONTEXT;
+
+typedef struct
+{
+  uint64_t h0, h1, h2, h3, h4, h5, h6, h7;
+} SHA512_STATE;
+
+typedef struct
+{
+  SHA512_STATE  state;
+  size_t        nblocks;
+  unsigned char buf[128];
+  int           count;
+} SHA512_CONTEXT;
+
+void SHA256_init (SHA256_CONTEXT *ctx);
+void SHA256_write(SHA256_CONTEXT *ctx,
+                  const unsigned char *inbuf, unsigned int inlen);
+void SHA256_final(unsigned char *outbuf, SHA256_CONTEXT *ctx);
+
+void SHA384_init (SHA512_CONTEXT *ctx);
+#define SHA384_write(c,b,l) SHA512_write((c),(b),(l))
+#define SHA384_final(b,c)   SHA512_final((b),(c))
+void SHA512_init (SHA512_CONTEXT *ctx);
+void SHA512_write(SHA512_CONTEXT *ctx,
+                  const unsigned char *inbuf, unsigned int inlen);
+void SHA512_final(unsigned char *outbuf, SHA512_CONTEXT *ctx);
+
+/* libgcrypt arcfour */
+typedef struct {
+  int idx_i, idx_j;
+  unsigned char sbox[256];
+} ARC4_CONTEXT;
+
+#define AES_BLOCKSIZE 16
+
+void ARC4 (ARC4_CONTEXT *ctx, unsigned int len, const unsigned char *inbuf, unsigned char *outbuf);
+void ARC4_set_key (ARC4_CONTEXT *ctx, unsigned int keylen, const unsigned char *key);
+
+void AES_ecb_encrypt (const unsigned char *key,    size_t  key_len,
+                      const unsigned char *plain,  size_t  plain_len,
+                      unsigned char      **cipher, size_t *cipher_len);
+
+void AES_cbc_encrypt (const unsigned char *key,    size_t  key_len,
+                      const unsigned char *iv,     int     padding,
+                      const unsigned char *plain,  size_t  plain_len,
+                      unsigned char      **cipher, size_t *cipher_len);
+
+#endif /* _DPXCRYPT_H_ */