diff options
Diffstat (limited to 'src/libstrongswan/fips/fips.c')
-rw-r--r-- | src/libstrongswan/fips/fips.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/libstrongswan/fips/fips.c b/src/libstrongswan/fips/fips.c deleted file mode 100644 index d2296e5e9..000000000 --- a/src/libstrongswan/fips/fips.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2007 Bruno Krieg, Daniel Wydler - * 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 <stdio.h> - -#include <debug.h> -#include <crypto/signers/signer.h> -#include "fips.h" - -extern const u_char FIPS_rodata_start[]; -extern const u_char FIPS_rodata_end[]; -extern const void *FIPS_text_start(); -extern const void *FIPS_text_end(); - -/** - * Described in header - */ -bool fips_compute_hmac_signature(const char *key, char *signature) -{ - u_char *text_start = (u_char *)FIPS_text_start(); - u_char *text_end = (u_char *)FIPS_text_end(); - size_t text_len, rodata_len; - signer_t *signer; - - if (text_start > text_end) - { - DBG1(" TEXT start (%p) > TEXT end (%p", - text_start, text_end); - return FALSE; - } - text_len = text_end - text_start; - DBG1(" TEXT: %p + %6d = %p", - text_start, (int)text_len, text_end); - - if (FIPS_rodata_start > FIPS_rodata_end) - { - DBG1(" RODATA start (%p) > RODATA end (%p", - FIPS_rodata_start, FIPS_rodata_end); - return FALSE; - } - rodata_len = FIPS_rodata_end - FIPS_rodata_start; - DBG1(" RODATA: %p + %6d = %p", - FIPS_rodata_start, (int)rodata_len, FIPS_rodata_end); - - signer = lib->crypto->create_signer(lib->crypto, AUTH_HMAC_SHA1_128); - if (signer == NULL) - { - DBG1(" SHA-1 HMAC signer could not be created"); - return FALSE; - } - else - { - chunk_t hmac_key = { (u_char *)key, strlen(key) }; - chunk_t text_chunk = { text_start, text_len }; - chunk_t rodata_chunk = { (u_char *)FIPS_rodata_start, rodata_len }; - chunk_t signature_chunk = chunk_empty; - - signer->set_key(signer, hmac_key); - signer->allocate_signature(signer, text_chunk, NULL); - signer->allocate_signature(signer, rodata_chunk, &signature_chunk); - signer->destroy(signer); - - sprintf(signature, "%#B", &signature_chunk); - DBG1(" SHA-1 HMAC key: %s", key); - DBG1(" SHA-1 HMAC sig: %s", signature); - free(signature_chunk.ptr); - return TRUE; - } -} - -/** - * Described in header - */ -bool fips_verify_hmac_signature(const char *key, - const char *signature) -{ - char current_signature[BUF_LEN]; - - if (!fips_compute_hmac_signature(key, current_signature)) - { - return FALSE; - } - return streq(signature, current_signature); -} |