cipher: use size_t for internal buffer lengths

* cipher/arcfour.c (do_encrypt_stream, encrypt_stream): Use 'size_t'
for buffer lengths.
* cipher/blowfish.c (_gcry_blowfish_ctr_enc, _gcry_blowfish_cbc_dec)
(_gcry_blowfish_cfb_dec): Ditto.
* cipher/camellia-glue.c (_gcry_camellia_ctr_enc)
(_gcry_camellia_cbc_dec, _gcry_blowfish_cfb_dec): Ditto.
* cipher/cast5.c (_gcry_cast5_ctr_enc, _gcry_cast5_cbc_dec)
(_gcry_cast5_cfb_dec): Ditto.
* cipher/cipher-aeswrap.c (_gcry_cipher_aeswrap_encrypt)
(_gcry_cipher_aeswrap_decrypt): Ditto.
* cipher/cipher-cbc.c (_gcry_cipher_cbc_encrypt)
(_gcry_cipher_cbc_decrypt): Ditto.
* cipher/cipher-ccm.c (_gcry_cipher_ccm_encrypt)
(_gcry_cipher_ccm_decrypt): Ditto.
* cipher/cipher-cfb.c (_gcry_cipher_cfb_encrypt)
(_gcry_cipher_cfb_decrypt): Ditto.
* cipher/cipher-ctr.c (_gcry_cipher_ctr_encrypt): Ditto.
* cipher/cipher-internal.h (gcry_cipher_handle->bulk)
(_gcry_cipher_cbc_encrypt, _gcry_cipher_cbc_decrypt)
(_gcry_cipher_cfb_encrypt, _gcry_cipher_cfb_decrypt)
(_gcry_cipher_ofb_encrypt, _gcry_cipher_ctr_encrypt)
(_gcry_cipher_aeswrap_encrypt, _gcry_cipher_aeswrap_decrypt)
(_gcry_cipher_ccm_encrypt, _gcry_cipher_ccm_decrypt): Ditto.
* cipher/cipher-ofb.c (_gcry_cipher_cbc_encrypt): Ditto.
* cipher/cipher-selftest.h (gcry_cipher_bulk_cbc_dec_t)
(gcry_cipher_bulk_cfb_dec_t, gcry_cipher_bulk_ctr_enc_t): Ditto.
* cipher/cipher.c (cipher_setkey, cipher_setiv, do_ecb_crypt)
(do_ecb_encrypt, do_ecb_decrypt, cipher_encrypt)
(cipher_decrypt): Ditto.
* cipher/rijndael.c (_gcry_aes_ctr_enc, _gcry_aes_cbc_dec)
(_gcry_aes_cfb_dec, _gcry_aes_cbc_enc, _gcry_aes_cfb_enc): Ditto.
* cipher/salsa20.c (salsa20_setiv, salsa20_do_encrypt_stream)
(salsa20_encrypt_stream, salsa20r12_encrypt_stream): Ditto.
* cipher/serpent.c (_gcry_serpent_ctr_enc, _gcry_serpent_cbc_dec)
(_gcry_serpent_cfb_dec): Ditto.
* cipher/twofish.c (_gcry_twofish_ctr_enc, _gcry_twofish_cbc_dec)
(_gcry_twofish_cfb_dec): Ditto.
* src/cipher-proto.h (gcry_cipher_stencrypt_t)
(gcry_cipher_stdecrypt_t, cipher_setiv_fuct_t): Ditto.
* src/cipher.h (_gcry_aes_cfb_enc, _gcry_aes_cfb_dec)
(_gcry_aes_cbc_enc, _gcry_aes_cbc_dec, _gcry_aes_ctr_enc)
(_gcry_blowfish_cfb_dec, _gcry_blowfish_cbc_dec)
(_gcry_blowfish_ctr_enc, _gcry_cast5_cfb_dec, _gcry_cast5_cbc_dec)
(_gcry_cast5_ctr_enc, _gcry_camellia_cfb_dec, _gcry_camellia_cbc_dec)
(_gcry_camellia_ctr_enc, _gcry_serpent_cfb_dec, _gcry_serpent_cbc_dec)
(_gcry_serpent_ctr_enc, _gcry_twofish_cfb_dec, _gcry_twofish_cbc_dec)
(_gcry_twofish_ctr_enc): Ditto.
--

On 64-bit platforms, cipher module internally converts 64-bit size_t values
to 32-bit unsigned integers.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>

1 files changed, 4 insertions, 4 deletions

diff --git a/cipher/serpent.c b/cipher/serpent.c
index 915cc956..8e647d4f 100644
--- a/cipher/serpent.c
+++ b/cipher/serpent.c
@@ -827,7 +827,7 @@ serpent_decrypt (void *ctx, byte *buffer_out, const byte *buffer_in)
 void
 _gcry_serpent_ctr_enc(void *context, unsigned char *ctr,
                       void *outbuf_arg, const void *inbuf_arg,
-                      unsigned int nblocks)
+                      size_t nblocks)
 {
   serpent_context_t *ctx = context;
   unsigned char *outbuf = outbuf_arg;
@@ -944,8 +944,8 @@ _gcry_serpent_ctr_enc(void *context, unsigned char *ctr,
    intended for the bulk encryption feature of cipher.c. */
 void
 _gcry_serpent_cbc_dec(void *context, unsigned char *iv,
-                       void *outbuf_arg, const void *inbuf_arg,
-                       unsigned int nblocks)
+                      void *outbuf_arg, const void *inbuf_arg,
+                      size_t nblocks)
 {
   serpent_context_t *ctx = context;
   unsigned char *outbuf = outbuf_arg;
@@ -1053,7 +1053,7 @@ _gcry_serpent_cbc_dec(void *context, unsigned char *iv,
 void
 _gcry_serpent_cfb_dec(void *context, unsigned char *iv,
                       void *outbuf_arg, const void *inbuf_arg,
-                      unsigned int nblocks)
+                      size_t nblocks)
 {
   serpent_context_t *ctx = context;
   unsigned char *outbuf = outbuf_arg;