Dropped length argument from nettle_set_key_func.

ChangeLog

+2014-01-29  Niels Möller  <nisse@lysator.liu.se>
+
+	* nettle-types.h (typedef nettle_set_key_func): Deleted length
+	argument.
+
+	* arctwo.c (arctwo40_set_key, arctwo64_set_key)
+	(arctwo128_set_key, arctwo128_set_key_gutmann): New functions.
+	* arctwo.h: Declare them.
+	* arctwo-meta.c (ARCTWO): New macro.
+	(nettle_arctwo40, nettle_arctwo64, nettle_arctwo128)
+	(nettle_arctwo_gutmann128): Use new _set_key functions.
+
+	* arcfour.h (ARCFOUR128_KEY_SIZE): New constant.
+	* arcfour.c (arcfour128_set_key): New function.
+	* arcfour-meta.c (nettle_arcfour128): Use arcfour128_set_key and
+	ARCFOUR128_KEY_SIZE.
+
+	* cast128.c (cast5_set_key): Renamed, was cast128_set_key.
+	(cast128_set_key): New definition, with fixed key size.
+	* cast128.h (CAST128_MIN_KEY_SIZE, CAST128_MAX_KEY_SIZE): Renamed
+	constants, to...
+	(CAST5_MIN_KEY_SIZE, CAST5_MAX_KEY_SIZE): ... new names.
+
+	* eax.h (EAX_SET_KEY): Deleted length argument.
+
+	* aes128-meta.c: Deleted _set_key wrappers.
+	* aes192-meta.c: Likewise.
+	* aes256-meta.c: Likewise.
+	* camellia128-meta.c: Likewise.
+	* camellia192-meta.c: Likewise.
+	* camellia256-meta.c: Likewise.
+
+	* gcm-aes128.c (gcm_aes128_set_key): Deleted length argument.
+	* gcm-aes192.c (gcm_aes192_set_key): Likewise.
+	* gcm-aes256.c (gcm_aes256_set_key): Likewise.
+	* gcm.h: Updated prototypes.
+
+	* serpent-set-key.c (serpent128_set_key, serpent192_set_key)
+	(serpent256_set_key): New functions.
+	* serpent.h: Declare new functions.
+	(SERPENT128_KEY_SIZE, SERPENT192_KEY_SIZE)
+	(SERPENT256_KEY_SIZE): New constants.
+	* serpent-meta.c (SERPENT): New macro.
+	(nettle_serpent128, nettle_serpent192, nettle_serpent256): Use new
+	_set_key functions.
+
+	* twofish-set-key.c (twofish128_set_key, twofish192_set_key)
+	(twofish256_set_key): New functions.
+	* twofish.h: Declare new functions.
+	(TWOFISH128_KEY_SIZE, TWOFISH192_KEY_SIZE)
+	(TWOFISH256_KEY_SIZE): New constants.
+	* twofish-meta.c (TWOFISH): New macro.
+	(nettle_twofish128, nettle_twofish192, nettle_twofish256): Use new
+	_set_key functions.
+
+	* nettle-internal.h (struct nettle_aead): Use
+	nettle_hash_update_func for the set_iv function pointer.
+
+	* nettle-internal.c (des_set_key_hack, des3_set_key_hack): Deleted
+	wrapper functions.
+	(chacha_set_key_hack): Deleted length argument. Use
+	chacha256_set_key.
+	(salsa20_set_key_hack): Deleted length argument. Use
+	salsa20_256_set_key.
+	(nettle_unified_aes128, nettle_unified_aes192)
+	(nettle_unified_aes256): Deleted, moved to test program.
+	(eax_aes128_set_key): Deleted length argument. Use EAX_SET_KEY.
+
+	* examples/nettle-benchmark.c: Updated for _set_key changes.
+	* examples/nettle-openssl.c: Likewise.
+	* testsuite/testutils.c: Likewise.
+	* testsuite/gcm-test.c: Likewise.
+
+	* testsuite/aes-test.c (UNIFIED_AES): New macro. Moved glue for
+	testing the old aes interface (struct aes_ctx) here.
+
+	* testsuite/arcfour-test.c (test_arcfour): New function, for key
+	sizes != 128 bits.
+	(test_main): Use it.
+
+	* testsuite/blowfish-test.c (test_blowfish): New function.
+	(test_main): Use it. Also deleted old #if:ed out code.
+
+	* testsuite/cast128-test.c (test_cast5): New function.
+	(test_main): Use it, for 40-bit and 80-bit tests.
+
+	* testsuite/serpent-test.c (test_serpent): New function.
+	(test_main): Use it.
+
 2014-01-27  Niels Möller  <nisse@lysator.liu.se>
 
 	* eax.h (struct eax_key, struct eax_ctx): Use union

aes128-meta.c

@@ -2,7 +2,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2013 Niels Möller
+ * Copyright (C) 2013, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -30,28 +30,11 @@
 
 #include "aes.h"
 
-static nettle_set_key_func aes128_set_encrypt_key_wrapper;
-static nettle_set_key_func aes128_set_decrypt_key_wrapper;
-
-static void
-aes128_set_encrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == AES128_KEY_SIZE);
-  aes128_set_encrypt_key (ctx, key);
-}
-
-static void
-aes128_set_decrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == AES128_KEY_SIZE);
-  aes128_set_decrypt_key (ctx, key);
-}
-
 const struct nettle_cipher nettle_aes128 =
   { "aes128", sizeof(struct aes128_ctx),
     AES_BLOCK_SIZE, AES128_KEY_SIZE,
-    aes128_set_encrypt_key_wrapper,
-    aes128_set_decrypt_key_wrapper,
+    (nettle_set_key_func *) aes128_set_encrypt_key,
+    (nettle_set_key_func *) aes128_set_decrypt_key,
     (nettle_crypt_func *) aes128_encrypt,
     (nettle_crypt_func *) aes128_decrypt
   };

aes192-meta.c

@@ -2,7 +2,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2013 Niels Möller
+ * Copyright (C) 2013, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -30,28 +30,11 @@
 
 #include "aes.h"
 
-static nettle_set_key_func aes192_set_encrypt_key_wrapper;
-static nettle_set_key_func aes192_set_decrypt_key_wrapper;
-
-static void
-aes192_set_encrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == AES192_KEY_SIZE);
-  aes192_set_encrypt_key (ctx, key);
-}
-
-static void
-aes192_set_decrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == AES192_KEY_SIZE);
-  aes192_set_decrypt_key (ctx, key);
-}
-
 const struct nettle_cipher nettle_aes192 =
   { "aes192", sizeof(struct aes192_ctx),
     AES_BLOCK_SIZE, AES192_KEY_SIZE,
-    aes192_set_encrypt_key_wrapper,
-    aes192_set_decrypt_key_wrapper,
+    (nettle_set_key_func *) aes192_set_encrypt_key,
+    (nettle_set_key_func *) aes192_set_decrypt_key,
     (nettle_crypt_func *) aes192_encrypt,
     (nettle_crypt_func *) aes192_decrypt
   };

aes256-meta.c

@@ -2,7 +2,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2013 Niels Möller
+ * Copyright (C) 2013, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -30,28 +30,11 @@
 
 #include "aes.h"
 
-static nettle_set_key_func aes256_set_encrypt_key_wrapper;
-static nettle_set_key_func aes256_set_decrypt_key_wrapper;
-
-static void
-aes256_set_encrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == AES256_KEY_SIZE);
-  aes256_set_encrypt_key (ctx, key);
-}
-
-static void
-aes256_set_decrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == AES256_KEY_SIZE);
-  aes256_set_decrypt_key (ctx, key);
-}
-
 const struct nettle_cipher nettle_aes256 =
   { "aes256", sizeof(struct aes256_ctx),
     AES_BLOCK_SIZE, AES256_KEY_SIZE,
-    aes256_set_encrypt_key_wrapper,
-    aes256_set_decrypt_key_wrapper,
+    (nettle_set_key_func *) aes256_set_encrypt_key,
+    (nettle_set_key_func *) aes256_set_decrypt_key,
     (nettle_crypt_func *) aes256_encrypt,
     (nettle_crypt_func *) aes256_decrypt
   };

arcfour-meta.c

@@ -30,9 +30,9 @@
 
 const struct nettle_cipher nettle_arcfour128 =
   { "arcfour128", sizeof(struct arcfour_ctx),
-    0, 16,
-    (nettle_set_key_func *) arcfour_set_key,
-    (nettle_set_key_func *) arcfour_set_key,
+    0, ARCFOUR128_KEY_SIZE,
+    (nettle_set_key_func *) arcfour128_set_key,
+    (nettle_set_key_func *) arcfour128_set_key,
     (nettle_crypt_func *) arcfour_crypt,
     (nettle_crypt_func *) arcfour_crypt
   };

arcfour.c

@@ -5,7 +5,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2001 Niels Möller
+ * Copyright (C) 2001, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -56,3 +56,8 @@ arcfour_set_key(struct arcfour_ctx *ctx,
   ctx->i = ctx->j = 0;
 }
 
+void
+arcfour128_set_key(struct arcfour_ctx *ctx, const uint8_t *key)
+{
+  arcfour_set_key (ctx, ARCFOUR128_KEY_SIZE, key);
+}

arcfour.h

@@ -5,7 +5,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2001 Niels Möller
+ * Copyright (C) 2001, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -33,6 +33,7 @@ extern "C" {
 #endif
 
 /* Name mangling */
+#define arcfour128_set_key nettle_arcfour128_set_key
 #define arcfour_set_key nettle_arcfour_set_key
 #define arcfour_crypt nettle_arcfour_crypt
 
@@ -41,6 +42,7 @@ extern "C" {
 #define ARCFOUR_MIN_KEY_SIZE 1
 #define ARCFOUR_MAX_KEY_SIZE 256
 #define ARCFOUR_KEY_SIZE 16
+#define ARCFOUR128_KEY_SIZE 16
 
 struct arcfour_ctx
 {
@@ -53,6 +55,9 @@ void
 arcfour_set_key(struct arcfour_ctx *ctx,
 		size_t length, const uint8_t *key);
 
+void
+arcfour128_set_key(struct arcfour_ctx *ctx, const uint8_t *key);
+
 void
 arcfour_crypt(struct arcfour_ctx *ctx,
 	      size_t length, uint8_t *dst,

arctwo-meta.c

@@ -3,6 +3,7 @@
 /* nettle, low-level cryptographics library
  *
  * Copyright (C) 2004 Simon Josefsson
+ * Copyright (C) 2014 Niels Möller
  *
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -28,21 +29,28 @@
 
 #include "arctwo.h"
 
+#define ARCTWO(bits) {					\
+  "arctwo" #bits, sizeof (struct arctwo_ctx),		\
+  ARCTWO_BLOCK_SIZE, bits/8,				\
+  (nettle_set_key_func *) arctwo ## bits ## _set_key,	\
+  (nettle_set_key_func *) arctwo ## bits ## _set_key,	\
+  (nettle_crypt_func *) arctwo_encrypt,			\
+  (nettle_crypt_func *) arctwo_decrypt,			\
+}
 const struct nettle_cipher nettle_arctwo40
-= _NETTLE_CIPHER (arctwo, ARCTWO, 40);
-
+= ARCTWO(40);
 const struct nettle_cipher nettle_arctwo64
-= _NETTLE_CIPHER (arctwo, ARCTWO, 64);
-
+= ARCTWO(64);
 const struct nettle_cipher nettle_arctwo128
-= _NETTLE_CIPHER (arctwo, ARCTWO, 128);
-
-/* Map Gutmann variant. */
-#define arctwo_gutmann_ctx arctwo_ctx
-#define arctwo_gutmann_encrypt arctwo_encrypt
-#define arctwo_gutmann_decrypt arctwo_decrypt
-#define arctwo_gutmann_ctx arctwo_ctx
-#define arctwo_gutmann_set_key arctwo_set_key_gutmann
-
-const struct nettle_cipher nettle_arctwo_gutmann128
-= _NETTLE_CIPHER (arctwo_gutmann, ARCTWO, 128);
+= ARCTWO(128);
+
+/* Gutmann variant. */
+const struct nettle_cipher nettle_arctwo_gutmann128 =
+  {
+    "arctwo_gutmann128", sizeof (struct arctwo_ctx),
+    ARCTWO_BLOCK_SIZE, 16,
+    (nettle_set_key_func *) arctwo128_set_key_gutmann,
+    (nettle_set_key_func *) arctwo128_set_key_gutmann,
+    (nettle_crypt_func *) arctwo_encrypt,
+    (nettle_crypt_func *) arctwo_decrypt,
+  };

arctwo.c

@@ -8,7 +8,7 @@
  * Copyright (C) 2004 Simon Josefsson
  * Copyright (C) 2003 Nikos Mavroyanopoulos
  * Copyright (C) 2004 Free Software Foundation, Inc.
- * Copyright (C) 2004 Niels Möller
+ * Copyright (C) 2004, 2014 Niels Möller
  *
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -228,3 +228,26 @@ arctwo_set_key_gutmann (struct arctwo_ctx *ctx,
 {
   arctwo_set_key_ekb (ctx, length, key, 0);
 }
+
+void
+arctwo40_set_key (struct arctwo_ctx *ctx, const uint8_t *key)
+{
+  arctwo_set_key_ekb (ctx, 5, key, 40);
+}
+void
+arctwo64_set_key (struct arctwo_ctx *ctx, const uint8_t *key)
+{
+  arctwo_set_key_ekb (ctx, 8, key, 64);
+}
+
+void
+arctwo128_set_key (struct arctwo_ctx *ctx, const uint8_t *key)
+{
+  arctwo_set_key_ekb (ctx, 16, key, 128);
+}
+void
+arctwo128_set_key_gutmann (struct arctwo_ctx *ctx,
+			   const uint8_t *key)
+{
+  arctwo_set_key_ekb (ctx, 16, key, 1024);
+}

arctwo.h

@@ -6,7 +6,7 @@
 /* nettle, low-level cryptographics library
  *
  * Copyright (C) 2004 Simon Josefsson
- * Copyright (C) 2002, 2004 Niels Möller
+ * Copyright (C) 2002, 2004, 2014 Niels Möller
  *
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -36,9 +36,13 @@ extern "C" {
 /* Name mangling */
 #define arctwo_set_key nettle_arctwo_set_key
 #define arctwo_set_key_ekb nettle_arctwo_set_key_ekb
+#define arctwo_set_key_gutmann nettle_arctwo_set_key_gutmann
+#define arctwo40_set_key nettle_arctwo40_set_key
+#define arctwo64_set_key nettle_arctwo64_set_key
+#define arctwo128_set_key nettle_arctwo128_set_key
+#define arctwo128_set_key_gutmann nettle_arctwo128_set_key_gutmann
 #define arctwo_encrypt nettle_arctwo_encrypt
 #define arctwo_decrypt nettle_arctwo_decrypt
-#define arctwo_set_key_gutmann nettle_arctwo_set_key_gutmann
 
 #define ARCTWO_BLOCK_SIZE 8
 
@@ -62,11 +66,20 @@ arctwo_set_key_ekb (struct arctwo_ctx *ctx,
 /* Equvivalent to arctwo_set_key_ekb, with ekb = 8 * length */
 void
 arctwo_set_key (struct arctwo_ctx *ctx, size_t length, const uint8_t *key);
+void
+arctwo40_set_key (struct arctwo_ctx *ctx, const uint8_t *key);
+void
+arctwo64_set_key (struct arctwo_ctx *ctx, const uint8_t *key);
+void
+arctwo128_set_key (struct arctwo_ctx *ctx, const uint8_t *key);
 
 /* Equvivalent to arctwo_set_key_ekb, with ekb = 1024 */
 void
 arctwo_set_key_gutmann (struct arctwo_ctx *ctx,
 			size_t length, const uint8_t *key);
+void
+arctwo128_set_key_gutmann (struct arctwo_ctx *ctx,
+			   const uint8_t *key);
 
 void
 arctwo_encrypt (struct arctwo_ctx *ctx,

camellia128-meta.c

@@ -2,7 +2,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2010, 2013 Niels Möller
+ * Copyright (C) 2010, 2013, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -30,25 +30,11 @@
 
 #include "camellia.h"
 
-static void
-camellia128_set_encrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == CAMELLIA128_KEY_SIZE);
-  camellia128_set_encrypt_key (ctx, key);
-}
-
-static void
-camellia128_set_decrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == CAMELLIA128_KEY_SIZE);
-  camellia128_set_decrypt_key (ctx, key);
-}
-
 const struct nettle_cipher nettle_camellia128 =
   { "camellia128", sizeof(struct camellia128_ctx),
     CAMELLIA_BLOCK_SIZE, CAMELLIA128_KEY_SIZE,
-    camellia128_set_encrypt_key_wrapper,
-    camellia128_set_decrypt_key_wrapper,
+    (nettle_set_key_func *) camellia128_set_encrypt_key,
+    (nettle_set_key_func *) camellia128_set_decrypt_key,
     (nettle_crypt_func *) camellia128_crypt,
     (nettle_crypt_func *) camellia128_crypt
   };

camellia192-meta.c

@@ -2,7 +2,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2010, 2013 Niels Möller
+ * Copyright (C) 2010, 2013, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -30,25 +30,11 @@
 
 #include "camellia.h"
 
-static void
-camellia192_set_encrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == CAMELLIA192_KEY_SIZE);
-  camellia192_set_encrypt_key (ctx, key);
-}
-
-static void
-camellia192_set_decrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == CAMELLIA192_KEY_SIZE);
-  camellia192_set_decrypt_key (ctx, key);
-}
-
 const struct nettle_cipher nettle_camellia192 =
   { "camellia192", sizeof(struct camellia256_ctx),
     CAMELLIA_BLOCK_SIZE, CAMELLIA192_KEY_SIZE,
-    camellia192_set_encrypt_key_wrapper,
-    camellia192_set_decrypt_key_wrapper,
+    (nettle_set_key_func *) camellia192_set_encrypt_key,
+    (nettle_set_key_func *) camellia192_set_decrypt_key,
     (nettle_crypt_func *) camellia256_crypt,
     (nettle_crypt_func *) camellia256_crypt
   };

camellia256-meta.c

@@ -2,7 +2,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2010, 2013 Niels Möller
+ * Copyright (C) 2010, 2013, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -30,25 +30,11 @@
 
 #include "camellia.h"
 
-static void
-camellia256_set_encrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == CAMELLIA256_KEY_SIZE);
-  camellia256_set_encrypt_key (ctx, key);
-}
-
-static void
-camellia256_set_decrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
-{
-  assert (length == CAMELLIA256_KEY_SIZE);
-  camellia256_set_decrypt_key (ctx, key);
-}
-
 const struct nettle_cipher nettle_camellia256 =
   { "camellia256", sizeof(struct camellia256_ctx),
     CAMELLIA_BLOCK_SIZE, CAMELLIA256_KEY_SIZE,
-    camellia256_set_encrypt_key_wrapper,
-    camellia256_set_decrypt_key_wrapper,
+    (nettle_set_key_func *) camellia256_set_encrypt_key,
+    (nettle_set_key_func *) camellia256_set_decrypt_key,
     (nettle_crypt_func *) camellia256_crypt,
     (nettle_crypt_func *) camellia256_crypt
   };

cast128.c

@@ -11,7 +11,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2001 Niels Möller
+ * Copyright (C) 2001, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -213,15 +213,15 @@ cast128_decrypt(const struct cast128_ctx *ctx,
 } while (0)
 
 void
-cast128_set_key(struct cast128_ctx *ctx,
+cast5_set_key(struct cast128_ctx *ctx,
 	      size_t length, const uint8_t *key)
 {
   uint32_t x0, x1, x2, x3, z0, z1, z2, z3;
   uint32_t w;
   int full;
 
-  assert (length >= CAST128_MIN_KEY_SIZE);
-  assert (length <= CAST128_MAX_KEY_SIZE);
+  assert (length >= CAST5_MIN_KEY_SIZE);
+  assert (length <= CAST5_MAX_KEY_SIZE);
 
   full = (length > CAST_SMALL_KEY);
 
@@ -269,3 +269,9 @@ cast128_set_key(struct cast128_ctx *ctx,
 
   ctx->rounds = full ? 16 : 12;
 }
+
+void
+cast128_set_key(struct cast128_ctx *ctx, const uint8_t *key)
+{
+  cast5_set_key (ctx, CAST128_KEY_SIZE, key);
+}

cast128.h

@@ -11,7 +11,7 @@
 
 /* nettle, low-level cryptographics library
  *
- * Copyright (C) 2001 Niels Möller
+ * Copyright (C) 2001, 2014 Niels Möller
  *  
  * The nettle library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -39,6 +39,7 @@ extern "C" {
 #endif
 
 /* Name mangling */
+#define cast5_set_key nettle_cast5_set_key
 #define cast128_set_key nettle_cast128_set_key
 #define cast128_encrypt nettle_cast128_encrypt
 #define cast128_decrypt nettle_cast128_decrypt
@@ -46,8 +47,8 @@ extern "C" {
 #define CAST128_BLOCK_SIZE 8
 
 /* Variable key size between 40 and 128. */
-#define CAST128_MIN_KEY_SIZE 5
-#define CAST128_MAX_KEY_SIZE 16
+#define CAST5_MIN_KEY_SIZE 5
+#define CAST5_MAX_KEY_SIZE 16
 
 #define CAST128_KEY_SIZE 16
 
@@ -59,10 +60,14 @@ struct cast128_ctx
   uint32_t Km[16];
 };
 
+/* Using variable key size. */
 void
-cast128_set_key(struct cast128_ctx *ctx,
+cast5_set_key(struct cast128_ctx *ctx,
 	      size_t length, const uint8_t *key);
 
+void
+cast128_set_key(struct cast128_ctx *ctx, const uint8_t *key);
+
 void
 cast128_encrypt(const struct cast128_ctx *ctx,
 		size_t length, uint8_t *dst,

eax.h

@@ -102,9 +102,9 @@ eax_digest (struct eax_ctx *eax, const struct eax_key *key,
 #define EAX_CTX(type) \
   { struct eax_key key; struct eax_ctx eax; type cipher; }
 
-#define EAX_SET_KEY(ctx, set_key, encrypt, length, data)		\
+#define EAX_SET_KEY(ctx, set_key, encrypt, data)			\
   do {									\
-    (set_key)(&(ctx)->cipher, (length), (data));			\
+    (set_key)(&(ctx)->cipher, (data));					\
     if (0) (encrypt) (&(ctx)->cipher, 0, (void *) 0, (void *) 0);	\
     eax_set_key (&(ctx)->key, &(ctx)->cipher, (nettle_crypt_func *) encrypt); \
   } while (0)

examples/nettle-benchmark.c

@@ -427,7 +427,7 @@ time_gcm(void)
   uint8_t key[AES128_KEY_SIZE];
   uint8_t iv[GCM_IV_SIZE];
 
-  gcm_aes128_set_key(&ctx, sizeof(key), key);
+  gcm_aes128_set_key(&ctx, key);
   gcm_aes128_set_iv(&ctx, sizeof(iv), iv);
 
   hinfo.ctx = &ctx;
@@ -461,7 +461,7 @@ time_eax(void)
   uint8_t key[AES128_KEY_SIZE];
   uint8_t iv[EAX_BLOCK_SIZE];
 
-  eax_aes128_set_key (&ctx, sizeof(key), key);
+  eax_aes128_set_key (&ctx, key);
   eax_aes128_set_nonce(&ctx, sizeof(iv), iv);
 
   hinfo.ctx = &ctx;
@@ -521,7 +521,7 @@ time_cipher(const struct nettle_cipher *cipher)
     info.data = data;
     
     init_key(cipher->key_size, key);
-    cipher->set_encrypt_key(ctx, cipher->key_size, key);
+    cipher->set_encrypt_key(ctx, key);
 
     display(cipher->name, "ECB encrypt", cipher->block_size,