290 lines
7.5 KiB
C
290 lines
7.5 KiB
C
/* fips/aes/fips_gcmtest.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2011 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#define OPENSSL_FIPSAPI
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#include <openssl/opensslconf.h>
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#ifndef OPENSSL_FIPS
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#include <stdio.h>
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int main(int argc, char **argv)
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{
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printf("No FIPS GCM support\n");
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return(0);
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}
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#else
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#include <openssl/bn.h>
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#include <openssl/dsa.h>
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#include <openssl/fips.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <string.h>
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#include <ctype.h>
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#include "fips_utl.h"
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static void gcmtest(int encrypt)
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{
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char buf[2048];
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char lbuf[2048];
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char *keyword, *value;
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int keylen = -1, ivlen = -1, aadlen = -1, taglen = -1, ptlen = -1;
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int rv;
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long l;
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unsigned char *key = NULL, *iv = NULL, *aad = NULL, *tag = NULL;
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unsigned char *ct = NULL, *pt = NULL;
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EVP_CIPHER_CTX ctx;
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const EVP_CIPHER *gcm;
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EVP_CIPHER_CTX_init(&ctx);
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while(fgets(buf,sizeof buf,stdin) != NULL)
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{
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fputs(buf,stdout);
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if (!parse_line(&keyword, &value, lbuf, buf))
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continue;
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if(!strcmp(keyword,"[Keylen"))
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{
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keylen = atoi(value);
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if (keylen == 128)
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gcm = EVP_aes_128_gcm();
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else if (keylen == 192)
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gcm = EVP_aes_192_gcm();
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else if (keylen == 256)
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gcm = EVP_aes_256_gcm();
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else
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{
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fprintf(stderr, "Unsupported keylen %d\n",
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keylen);
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}
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keylen >>= 3;
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}
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else if (!strcmp(keyword, "[IVlen"))
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ivlen = atoi(value) >> 3;
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else if (!strcmp(keyword, "[AADlen"))
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aadlen = atoi(value) >> 3;
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else if (!strcmp(keyword, "[Taglen"))
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taglen = atoi(value) >> 3;
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else if (!strcmp(keyword, "[PTlen"))
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ptlen = atoi(value) >> 3;
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else if(!strcmp(keyword,"Key"))
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{
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key = hex2bin_m(value, &l);
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if (l != keylen)
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{
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fprintf(stderr, "Inconsistent Key length\n");
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exit(1);
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}
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}
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else if(!strcmp(keyword,"IV"))
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{
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iv = hex2bin_m(value, &l);
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if (l != ivlen)
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{
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fprintf(stderr, "Inconsistent IV length\n");
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exit(1);
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}
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}
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else if(!strcmp(keyword,"PT"))
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{
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pt = hex2bin_m(value, &l);
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if (l != ptlen)
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{
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fprintf(stderr, "Inconsistent PT length\n");
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exit(1);
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}
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}
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else if(!strcmp(keyword,"CT"))
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{
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ct = hex2bin_m(value, &l);
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if (l != ptlen)
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{
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fprintf(stderr, "Inconsistent CT length\n");
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exit(1);
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}
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}
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else if(!strcmp(keyword,"AAD"))
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{
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aad = hex2bin_m(value, &l);
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if (l != aadlen)
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{
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fprintf(stderr, "Inconsistent AAD length\n");
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exit(1);
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}
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}
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else if(!strcmp(keyword,"Tag"))
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{
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tag = hex2bin_m(value, &l);
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if (l != taglen)
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{
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fprintf(stderr, "Inconsistent Tag length\n");
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exit(1);
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}
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}
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if (encrypt && pt && aad && (iv || encrypt==1))
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{
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tag = OPENSSL_malloc(taglen);
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EVP_CipherInit_ex(&ctx, gcm, NULL, NULL, NULL, 1);
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EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, 0);
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if (encrypt == 1)
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{
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static unsigned char iv_fixed[4] = {1,2,3,4};
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if (!iv)
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iv = OPENSSL_malloc(ivlen);
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EVP_CipherInit_ex(&ctx, NULL, NULL, key, NULL, 1);
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EVP_CIPHER_CTX_ctrl(&ctx,
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EVP_CTRL_GCM_SET_IV_FIXED,
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4, iv_fixed);
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if (!EVP_CIPHER_CTX_ctrl(&ctx,
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EVP_CTRL_GCM_IV_GEN, 0, iv))
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{
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fprintf(stderr, "IV gen error\n");
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exit(1);
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}
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OutputValue("IV", iv, ivlen, stdout, 0);
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}
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else
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EVP_CipherInit_ex(&ctx, NULL, NULL, key, iv, 1);
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if (aadlen)
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EVP_Cipher(&ctx, NULL, aad, aadlen);
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if (ptlen)
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{
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ct = OPENSSL_malloc(ptlen);
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rv = EVP_Cipher(&ctx, ct, pt, ptlen);
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}
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EVP_Cipher(&ctx, NULL, NULL, 0);
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EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG,
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taglen, tag);
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OutputValue("CT", ct, ptlen, stdout, 0);
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OutputValue("Tag", tag, taglen, stdout, 0);
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if (iv)
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OPENSSL_free(iv);
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if (aad)
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OPENSSL_free(aad);
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if (ct)
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OPENSSL_free(ct);
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if (pt)
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OPENSSL_free(pt);
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if (key)
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OPENSSL_free(key);
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if (tag)
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OPENSSL_free(tag);
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iv = aad = ct = pt = key = tag = NULL;
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}
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if (!encrypt && tag)
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{
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EVP_CipherInit_ex(&ctx, gcm, NULL, NULL, NULL, 0);
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EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, 0);
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EVP_CipherInit_ex(&ctx, NULL, NULL, key, iv, 0);
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EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, taglen, tag);
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if (aadlen)
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EVP_Cipher(&ctx, NULL, aad, aadlen);
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if (ptlen)
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{
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pt = OPENSSL_malloc(ptlen);
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rv = EVP_Cipher(&ctx, pt, ct, ptlen);
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}
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rv = EVP_Cipher(&ctx, NULL, NULL, 0);
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if (rv < 0)
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printf("FAIL\n");
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else
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OutputValue("PT", pt, ptlen, stdout, 0);
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if (iv)
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OPENSSL_free(iv);
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if (aad)
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OPENSSL_free(aad);
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if (ct)
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OPENSSL_free(ct);
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if (pt)
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OPENSSL_free(pt);
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if (key)
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OPENSSL_free(key);
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if (tag)
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OPENSSL_free(tag);
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iv = aad = ct = pt = key = tag = NULL;
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}
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}
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}
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int main(int argc,char **argv)
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{
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int encrypt;
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if(argc != 2)
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{
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fprintf(stderr,"%s [-encrypt|-decrypt]\n",argv[0]);
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exit(1);
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}
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fips_set_error_print();
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if(!FIPS_mode_set(1))
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exit(1);
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if(!strcmp(argv[1],"-encrypt"))
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encrypt = 1;
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else if(!strcmp(argv[1],"-encryptIVext"))
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encrypt = 2;
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else if(!strcmp(argv[1],"-decrypt"))
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encrypt = 0;
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else
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{
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fprintf(stderr,"Don't know how to %s.\n",argv[1]);
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exit(1);
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}
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gcmtest(encrypt);
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return 0;
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}
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#endif
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