maint: fts.c: move __opendir2 #define "up" out of function body

[gnulib.git] / lib / gc-libgcrypt.c

diff --git a/lib/gc-libgcrypt.c b/lib/gc-libgcrypt.c
index a9e6279..3b3facd 100644 (file)
--- a/lib/gc-libgcrypt.c
+++ b/lib/gc-libgcrypt.c
@@ -1,5 +1,5 @@
 /* gc-libgcrypt.c --- Crypto wrappers around Libgcrypt for GC.
- * Copyright (C) 2002, 2003, 2004, 2005, 2006  Simon Josefsson
+ * Copyright (C) 2002-2011 Free Software Foundation, Inc.
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published
@@ -20,9 +20,7 @@
 
 /* Note: This file is only built if GC uses Libgcrypt. */
 
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 /* Get prototype. */
 #include "gc.h"
@@ -32,12 +30,16 @@
 
 /* Get libgcrypt API. */
 #include <gcrypt.h>
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
 # include "md2.h"
 #endif
 
 #include <assert.h>
 
+#ifndef MIN_GCRYPT_VERSION
+# define MIN_GCRYPT_VERSION "1.4.4"
+#endif
+
 /* Initialization. */
 
 Gc_rc
@@ -48,12 +50,15 @@ gc_init (void)
   err = gcry_control (GCRYCTL_ANY_INITIALIZATION_P);
   if (err == GPG_ERR_NO_ERROR)
     {
-      if (gcry_check_version (GCRYPT_VERSION) == NULL)
-       return GC_INIT_ERROR;
+      if (gcry_control (GCRYCTL_DISABLE_SECMEM, NULL, 0))
+        return GC_INIT_ERROR;
+
+      if (gcry_check_version (MIN_GCRYPT_VERSION) == NULL)
+        return GC_INIT_ERROR;
 
       err = gcry_control (GCRYCTL_INITIALIZATION_FINISHED, NULL, 0);
       if (err != GPG_ERR_NO_ERROR)
-       return GC_INIT_ERROR;
+        return GC_INIT_ERROR;
     }
 
   return GC_OK;
@@ -65,7 +70,7 @@ gc_done (void)
   return;
 }
 
-#ifdef GC_USE_RANDOM
+#ifdef GNULIB_GC_RANDOM
 
 /* Randomness. */
 
@@ -96,19 +101,19 @@ gc_random (char *data, size_t datalen)
 
 void
 gc_set_allocators (gc_malloc_t func_malloc,
-                  gc_malloc_t secure_malloc,
-                  gc_secure_check_t secure_check,
-                  gc_realloc_t func_realloc, gc_free_t func_free)
+                   gc_malloc_t secure_malloc,
+                   gc_secure_check_t secure_check,
+                   gc_realloc_t func_realloc, gc_free_t func_free)
 {
   gcry_set_allocation_handler (func_malloc, secure_malloc, secure_check,
-                              func_realloc, func_free);
+                               func_realloc, func_free);
 }
 
 /* Ciphers. */
 
 Gc_rc
 gc_cipher_open (Gc_cipher alg, Gc_cipher_mode mode,
-               gc_cipher_handle * outhandle)
+                gc_cipher_handle * outhandle)
 {
   int gcryalg, gcrymode;
   gcry_error_t err;
@@ -144,6 +149,16 @@ gc_cipher_open (Gc_cipher alg, Gc_cipher_mode mode,
       gcryalg = GCRY_CIPHER_RFC2268_40;
       break;
 
+#ifdef HAVE_CAMELLIA
+    case GC_CAMELLIA128:
+      gcryalg = GCRY_CIPHER_CAMELLIA128;
+      break;
+
+    case GC_CAMELLIA256:
+      gcryalg = GCRY_CIPHER_CAMELLIA256;
+      break;
+#endif
+
     default:
       return GC_INVALID_CIPHER;
     }
@@ -167,7 +182,7 @@ gc_cipher_open (Gc_cipher alg, Gc_cipher_mode mode,
     }
 
   err = gcry_cipher_open ((gcry_cipher_hd_t *) outhandle,
-                         gcryalg, gcrymode, 0);
+                          gcryalg, gcrymode, 0);
   if (gcry_err_code (err))
     return GC_INVALID_CIPHER;
 
@@ -202,7 +217,7 @@ Gc_rc
 gc_cipher_encrypt_inline (gc_cipher_handle handle, size_t len, char *data)
 {
   if (gcry_cipher_encrypt ((gcry_cipher_hd_t) handle,
-                          data, len, NULL, len) != 0)
+                           data, len, NULL, len) != 0)
     return GC_INVALID_CIPHER;
 
   return GC_OK;
@@ -212,7 +227,7 @@ Gc_rc
 gc_cipher_decrypt_inline (gc_cipher_handle handle, size_t len, char *data)
 {
   if (gcry_cipher_decrypt ((gcry_cipher_hd_t) handle,
-                          data, len, NULL, len) != 0)
+                           data, len, NULL, len) != 0)
     return GC_INVALID_CIPHER;
 
   return GC_OK;
@@ -232,7 +247,7 @@ typedef struct _gc_hash_ctx {
   Gc_hash alg;
   Gc_hash_mode mode;
   gcry_md_hd_t gch;
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   char hash[GC_MD2_DIGEST_SIZE];
   struct md2_ctx md2Context;
 #endif
@@ -242,7 +257,7 @@ Gc_rc
 gc_hash_open (Gc_hash hash, Gc_hash_mode mode, gc_hash_handle * outhandle)
 {
   _gc_hash_ctx *ctx;
-  int gcryalg, gcrymode;
+  int gcryalg = 0, gcrymode = 0;
   gcry_error_t err;
   Gc_rc rc = GC_OK;
 
@@ -271,6 +286,22 @@ gc_hash_open (Gc_hash hash, Gc_hash_mode mode, gc_hash_handle * outhandle)
       gcryalg = GCRY_MD_SHA1;
       break;
 
+    case GC_SHA256:
+      gcryalg = GCRY_MD_SHA256;
+      break;
+
+    case GC_SHA384:
+      gcryalg = GCRY_MD_SHA384;
+      break;
+
+    case GC_SHA512:
+      gcryalg = GCRY_MD_SHA512;
+      break;
+
+    case GC_SHA224:
+      gcryalg = GCRY_MD_SHA224;
+      break;
+
     case GC_RMD160:
       gcryalg = GCRY_MD_RMD160;
       break;
@@ -297,7 +328,7 @@ gc_hash_open (Gc_hash hash, Gc_hash_mode mode, gc_hash_handle * outhandle)
     {
       err = gcry_md_open (&ctx->gch, gcryalg, gcrymode);
       if (gcry_err_code (err))
-       rc = GC_INVALID_HASH;
+        rc = GC_INVALID_HASH;
     }
 
   if (rc == GC_OK)
@@ -358,6 +389,22 @@ gc_hash_digest_length (Gc_hash hash)
       len = GC_SHA1_DIGEST_SIZE;
       break;
 
+    case GC_SHA256:
+      len = GC_SHA256_DIGEST_SIZE;
+      break;
+
+    case GC_SHA384:
+      len = GC_SHA384_DIGEST_SIZE;
+      break;
+
+    case GC_SHA512:
+      len = GC_SHA512_DIGEST_SIZE;
+      break;
+
+    case GC_SHA224:
+      len = GC_SHA224_DIGEST_SIZE;
+      break;
+
     default:
       return 0;
     }
@@ -369,7 +416,7 @@ void
 gc_hash_hmac_setkey (gc_hash_handle handle, size_t len, const char *key)
 {
   _gc_hash_ctx *ctx = handle;
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg != GC_MD2)
 #endif
     gcry_md_setkey (ctx->gch, key, len);
@@ -380,7 +427,7 @@ gc_hash_write (gc_hash_handle handle, size_t len, const char *data)
 {
   _gc_hash_ctx *ctx = handle;
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg == GC_MD2)
     md2_process_bytes (data, len, &ctx->md2Context);
   else
@@ -394,7 +441,7 @@ gc_hash_read (gc_hash_handle handle)
   _gc_hash_ctx *ctx = handle;
   const char *digest;
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg == GC_MD2)
     {
       md2_finish_ctx (&ctx->md2Context, ctx->hash);
@@ -415,7 +462,7 @@ gc_hash_close (gc_hash_handle handle)
 {
   _gc_hash_ctx *ctx = handle;
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg != GC_MD2)
 #endif
     gcry_md_close (ctx->gch);
@@ -430,32 +477,56 @@ gc_hash_buffer (Gc_hash hash, const void *in, size_t inlen, char *resbuf)
 
   switch (hash)
     {
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
     case GC_MD2:
       md2_buffer (in, inlen, resbuf);
       return GC_OK;
       break;
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
     case GC_MD4:
       gcryalg = GCRY_MD_MD4;
       break;
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
     case GC_MD5:
       gcryalg = GCRY_MD_MD5;
       break;
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
     case GC_SHA1:
       gcryalg = GCRY_MD_SHA1;
       break;
 #endif
 
-#ifdef GC_USE_RMD160
+#ifdef GNULIB_GC_SHA256
+    case GC_SHA256:
+      gcryalg = GCRY_MD_SHA256;
+      break;
+#endif
+
+#ifdef GNULIB_GC_SHA384
+    case GC_SHA384:
+      gcryalg = GCRY_MD_SHA384;
+      break;
+#endif
+
+#ifdef GNULIB_GC_SHA512
+    case GC_SHA512:
+      gcryalg = GCRY_MD_SHA512;
+      break;
+#endif
+
+#ifdef GNULIB_GC_SHA224
+    case GC_SHA224:
+      gcryalg = GCRY_MD_SHA224;
+      break;
+#endif
+
+#ifdef GNULIB_GC_RMD160
     case GC_RMD160:
       gcryalg = GCRY_MD_RMD160;
       break;
@@ -472,7 +543,7 @@ gc_hash_buffer (Gc_hash hash, const void *in, size_t inlen, char *resbuf)
 
 /* One-call interface. */
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
 Gc_rc
 gc_md2 (const void *in, size_t inlen, void *resbuf)
 {
@@ -481,7 +552,7 @@ gc_md2 (const void *in, size_t inlen, void *resbuf)
 }
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
 Gc_rc
 gc_md4 (const void *in, size_t inlen, void *resbuf)
 {
@@ -513,7 +584,7 @@ gc_md4 (const void *in, size_t inlen, void *resbuf)
 }
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
 Gc_rc
 gc_md5 (const void *in, size_t inlen, void *resbuf)
 {
@@ -545,7 +616,7 @@ gc_md5 (const void *in, size_t inlen, void *resbuf)
 }
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
 Gc_rc
 gc_sha1 (const void *in, size_t inlen, void *resbuf)
 {
@@ -577,10 +648,10 @@ gc_sha1 (const void *in, size_t inlen, void *resbuf)
 }
 #endif
 
-#ifdef GC_USE_HMAC_MD5
+#ifdef GNULIB_GC_HMAC_MD5
 Gc_rc
 gc_hmac_md5 (const void *key, size_t keylen,
-            const void *in, size_t inlen, char *resbuf)
+             const void *in, size_t inlen, char *resbuf)
 {
   size_t hlen = gcry_md_get_algo_dlen (GCRY_MD_MD5);
   gcry_md_hd_t mdh;
@@ -617,10 +688,10 @@ gc_hmac_md5 (const void *key, size_t keylen,
 }
 #endif
 
-#ifdef GC_USE_HMAC_SHA1
+#ifdef GNULIB_GC_HMAC_SHA1
 Gc_rc
 gc_hmac_sha1 (const void *key, size_t keylen,
-             const void *in, size_t inlen, char *resbuf)
+              const void *in, size_t inlen, char *resbuf)
 {
   size_t hlen = gcry_md_get_algo_dlen (GCRY_MD_SHA1);
   gcry_md_hd_t mdh;