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-rw-r--r--src/libstrongswan/plugins/hmac/hmac_signer.c197
1 files changed, 0 insertions, 197 deletions
diff --git a/src/libstrongswan/plugins/hmac/hmac_signer.c b/src/libstrongswan/plugins/hmac/hmac_signer.c
deleted file mode 100644
index 511a3e3a5..000000000
--- a/src/libstrongswan/plugins/hmac/hmac_signer.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * Copyright (C) 2005-2008 Martin Willi
- * Copyright (C) 2005 Jan Hutter
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#include <string.h>
-
-#include "hmac_signer.h"
-#include "hmac.h"
-
-typedef struct private_hmac_signer_t private_hmac_signer_t;
-
-/**
- * Private data structure with signing context.
- */
-struct private_hmac_signer_t {
- /**
- * Public interface of hmac_signer_t.
- */
- hmac_signer_t public;
-
- /**
- * Assigned hmac function.
- */
- hmac_t *hmac;
-
- /**
- * Block size (truncation of HMAC Hash)
- */
- size_t block_size;
-};
-
-METHOD(signer_t, get_signature, void,
- private_hmac_signer_t *this, chunk_t data, u_int8_t *buffer)
-{
- if (buffer == NULL)
- { /* append mode */
- this->hmac->get_mac(this->hmac, data, NULL);
- }
- else
- {
- u_int8_t mac[this->hmac->get_block_size(this->hmac)];
-
- this->hmac->get_mac(this->hmac, data, mac);
- memcpy(buffer, mac, this->block_size);
- }
-}
-
-METHOD(signer_t, allocate_signature, void,
- private_hmac_signer_t *this, chunk_t data, chunk_t *chunk)
-{
- if (chunk == NULL)
- { /* append mode */
- this->hmac->get_mac(this->hmac, data, NULL);
- }
- else
- {
- u_int8_t mac[this->hmac->get_block_size(this->hmac)];
-
- this->hmac->get_mac(this->hmac, data, mac);
-
- chunk->ptr = malloc(this->block_size);
- chunk->len = this->block_size;
-
- memcpy(chunk->ptr, mac, this->block_size);
- }
-}
-
-METHOD(signer_t, verify_signature, bool,
- private_hmac_signer_t *this, chunk_t data, chunk_t signature)
-{
- u_int8_t mac[this->hmac->get_block_size(this->hmac)];
-
- this->hmac->get_mac(this->hmac, data, mac);
-
- if (signature.len != this->block_size)
- {
- return FALSE;
- }
- return memeq(signature.ptr, mac, this->block_size);
-}
-
-METHOD(signer_t, get_key_size, size_t,
- private_hmac_signer_t *this)
-{
- return this->hmac->get_block_size(this->hmac);
-}
-
-METHOD(signer_t, get_block_size, size_t,
- private_hmac_signer_t *this)
-{
- return this->block_size;
-}
-
-METHOD(signer_t, set_key, void,
- private_hmac_signer_t *this, chunk_t key)
-{
- this->hmac->set_key(this->hmac, key);
-}
-
-METHOD(signer_t, destroy, void,
- private_hmac_signer_t *this)
-{
- this->hmac->destroy(this->hmac);
- free(this);
-}
-
-/*
- * Described in header
- */
-hmac_signer_t *hmac_signer_create(integrity_algorithm_t algo)
-{
- private_hmac_signer_t *this;
- hmac_t *hmac;
- size_t trunc;
-
- switch (algo)
- {
- case AUTH_HMAC_SHA1_96:
- hmac = hmac_create(HASH_SHA1);
- trunc = 12;
- break;
- case AUTH_HMAC_SHA1_128:
- hmac = hmac_create(HASH_SHA1);
- trunc = 16;
- break;
- case AUTH_HMAC_SHA1_160:
- hmac = hmac_create(HASH_SHA1);
- trunc = 20;
- break;
- case AUTH_HMAC_MD5_96:
- hmac = hmac_create(HASH_MD5);
- trunc = 12;
- break;
- case AUTH_HMAC_MD5_128:
- hmac = hmac_create(HASH_MD5);
- trunc = 16;
- break;
- case AUTH_HMAC_SHA2_256_128:
- hmac = hmac_create(HASH_SHA256);
- trunc = 16;
- break;
- case AUTH_HMAC_SHA2_384_192:
- hmac = hmac_create(HASH_SHA384);
- trunc = 24;
- break;
- case AUTH_HMAC_SHA2_512_256:
- hmac = hmac_create(HASH_SHA512);
- trunc = 32;
- break;
- case AUTH_HMAC_SHA2_256_256:
- hmac = hmac_create(HASH_SHA256);
- trunc = 32;
- break;
- case AUTH_HMAC_SHA2_384_384:
- hmac = hmac_create(HASH_SHA384);
- trunc = 48;
- break;
- default:
- return NULL;
- }
-
- if (hmac == NULL)
- {
- return NULL;
- }
-
- INIT(this,
- .public = {
- .signer = {
- .get_signature = _get_signature,
- .allocate_signature = _allocate_signature,
- .verify_signature = _verify_signature,
- .get_key_size = _get_key_size,
- .get_block_size = _get_block_size,
- .set_key = _set_key,
- .destroy = _destroy,
- },
- },
- .block_size = min(trunc, hmac->get_block_size(hmac)),
- .hmac = hmac,
- );
-
- return &this->public;
-}
-