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Support AES-Counter ciphers.

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This commit is contained in:
Simon Josefsson
2009-11-16 16:04:00 +01:00
parent b78f854d8b
commit ebbd7c879b
7 changed files with 178 additions and 8 deletions
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47
src/crypt.c
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@@ -1,5 +1,5 @@
/* Copyright (c) 2004-2007, Sara Golemon <sarag@libssh2.org>
* Copyright (c) 2009 Simon Josefsson <simon@josefsson.org>
/* Copyright (c) 2009 Simon Josefsson <simon@josefsson.org>
* Copyright (c) 2004-2007, Sara Golemon <sarag@libssh2.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms,
@@ -115,6 +115,44 @@ crypt_dtor(LIBSSH2_SESSION * session, void **abstract)
return 0;
}
#if LIBSSH2_AES_CTR
static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes128_ctr = {
"aes128-ctr",
16, /* blocksize */
16, /* initial value length */
16, /* secret length -- 16*8 == 128bit */
0, /* flags */
&crypt_init,
&crypt_encrypt,
&crypt_dtor,
_libssh2_cipher_aes128ctr
};
static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes192_ctr = {
"aes192-ctr",
16, /* blocksize */
16, /* initial value length */
24, /* secret length -- 24*8 == 192bit */
0, /* flags */
&crypt_init,
&crypt_encrypt,
&crypt_dtor,
_libssh2_cipher_aes192ctr
};
static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes256_ctr = {
"aes256-ctr",
16, /* blocksize */
16, /* initial value length */
32, /* secret length -- 32*8 == 256bit */
0, /* flags */
&crypt_init,
&crypt_encrypt,
&crypt_dtor,
_libssh2_cipher_aes256ctr
};
#endif
#if LIBSSH2_AES
static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes128_cbc = {
"aes128-cbc",
@@ -258,6 +296,11 @@ static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_3des_cbc = {
#endif
static const LIBSSH2_CRYPT_METHOD *_libssh2_crypt_methods[] = {
#if LIBSSH2_AES_CTR
&libssh2_crypt_method_aes128_ctr,
&libssh2_crypt_method_aes192_ctr,
&libssh2_crypt_method_aes256_ctr,
#endif /* LIBSSH2_AES */
#if LIBSSH2_AES
&libssh2_crypt_method_aes256_cbc,
&libssh2_crypt_method_rijndael_cbc_lysator_liu_se, /* == aes256-cbc */