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#include "ssh_crypto_common.h"
#include "ssh_cipher.h"
#include <openssl/evp.h>
#define EVP_CIPHER_FUNC(NAME, evp, k, i, b) \
static SSH_CIPHER* evp_##NAME(int e) { \
SSH_CIPHER *c = new_ssh_cipher_evp(evp, k, i, b, e); \
c->name = #NAME; \
return c; \
}
EVP_CIPHER_FUNC(aes256_ctr, EVP_aes_256_ctr, 32, 16, 16)
EVP_CIPHER_FUNC(aes192_ctr, EVP_aes_192_ctr, 24, 16, 16)
EVP_CIPHER_FUNC(aes128_ctr, EVP_aes_128_ctr, 16, 16, 16)
static int dummy_init(SSH_CIPHER *me, const uint8_t *key, const uint8_t *IV)
{
return 1;
}
static void dummy_deinit(SSH_CIPHER *me)
{
}
SSH_CIPHER ssh_cipher_dummy = {
.name = "(none)",
.started = false,
.init = dummy_init,
.cleanup = dummy_deinit,
};
struct
{
const char *name;
NEW_CIPHER f;
} all_ciphers[] = {
{ "aes256-ctr", evp_aes256_ctr },
{ "aes192-ctr", evp_aes192_ctr },
{ "aes128-ctr", evp_aes128_ctr },
{ NULL, NULL }
};
NEW_CIPHER search_cipher(const char *s)
{
int i = search_name((name_sp)all_ciphers, s);
if (i!=-1)
return all_ciphers[i].f;
else
return NULL;
}
const char all_ciphers_list[] = "aes256-ctr,aes192-ctr,aes128-ctr";
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