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Diffstat (limited to 'openssl/trunk/crypto/aes/aes_ige.c')
-rw-r--r--openssl/trunk/crypto/aes/aes_ige.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/openssl/trunk/crypto/aes/aes_ige.c b/openssl/trunk/crypto/aes/aes_ige.c
deleted file mode 100644
index 2082d060..00000000
--- a/openssl/trunk/crypto/aes/aes_ige.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/* crypto/aes/aes_ige.c -*- mode:C; c-file-style: "eay" -*- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- */
-
-#include "cryptlib.h"
-
-#include <openssl/aes.h>
-#include "aes_locl.h"
-
-/*
-static void hexdump(FILE *f,const char *title,const unsigned char *s,int l)
- {
- int n=0;
-
- fprintf(f,"%s",title);
- for( ; n < l ; ++n)
- {
- if((n%16) == 0)
- fprintf(f,"\n%04x",n);
- fprintf(f," %02x",s[n]);
- }
- fprintf(f,"\n");
- }
-*/
-
-/* N.B. The IV for this mode is _twice_ the block size */
-
-void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- unsigned char *ivec, const int enc)
- {
- unsigned long n;
- unsigned long len = length;
- unsigned char tmp[AES_BLOCK_SIZE];
- unsigned char tmp2[AES_BLOCK_SIZE];
- unsigned char prev[AES_BLOCK_SIZE];
- const unsigned char *iv = ivec;
- const unsigned char *iv2 = ivec + AES_BLOCK_SIZE;
-
- OPENSSL_assert(in && out && key && ivec);
- OPENSSL_assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));
- OPENSSL_assert((length%AES_BLOCK_SIZE) == 0);
-
- if (AES_ENCRYPT == enc)
- {
- /* XXX: Do a separate case for when in != out (strictly should
- check for overlap, too) */
- while (len >= AES_BLOCK_SIZE)
- {
- /* hexdump(stdout, "in", in, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv", iv, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] = in[n] ^ iv[n];
- /* hexdump(stdout, "in ^ iv", out, AES_BLOCK_SIZE); */
- AES_encrypt(out, out, key);
- /* hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] ^= iv2[n];
- /* hexdump(stdout,"out", out, AES_BLOCK_SIZE); */
- iv = out;
- memcpy(prev, in, AES_BLOCK_SIZE);
- iv2 = prev;
- len -= AES_BLOCK_SIZE;
- in += AES_BLOCK_SIZE;
- out += AES_BLOCK_SIZE;
- }
- memcpy(ivec, iv, AES_BLOCK_SIZE);
- memcpy(ivec + AES_BLOCK_SIZE, iv2, AES_BLOCK_SIZE);
- }
- else
- {
- while (len >= AES_BLOCK_SIZE)
- {
- memcpy(tmp, in, AES_BLOCK_SIZE);
- memcpy(tmp2, in, AES_BLOCK_SIZE);
- /* hexdump(stdout, "in", in, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv2", iv2, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- tmp[n] ^= iv2[n];
- /* hexdump(stdout, "in ^ iv2", tmp, AES_BLOCK_SIZE); */
- AES_decrypt(tmp, out, key);
- /* hexdump(stdout, "dec", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv", ivec, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] ^= ivec[n];
- /* hexdump(stdout, "out", out, AES_BLOCK_SIZE); */
- memcpy(ivec, tmp2, AES_BLOCK_SIZE);
- iv2 = out;
- len -= AES_BLOCK_SIZE;
- in += AES_BLOCK_SIZE;
- out += AES_BLOCK_SIZE;
- }
- memcpy(ivec + AES_BLOCK_SIZE, iv2, AES_BLOCK_SIZE);
- }
- }
-
-/*
- * Note that its effectively impossible to do biIGE in anything other
- * than a single pass, so no provision is made for chaining.
- */
-
-/* N.B. The IV for this mode is _four times_ the block size */
-
-void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
- const AES_KEY *key2, const unsigned char *ivec,
- const int enc)
- {
- unsigned long n;
- unsigned long len = length;
- unsigned char tmp[AES_BLOCK_SIZE];
- unsigned char tmp2[AES_BLOCK_SIZE];
- unsigned char tmp3[AES_BLOCK_SIZE];
- unsigned char prev[AES_BLOCK_SIZE];
- const unsigned char *iv;
- const unsigned char *iv2;
-
- OPENSSL_assert(in && out && key && ivec);
- OPENSSL_assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));
- OPENSSL_assert((length%AES_BLOCK_SIZE) == 0);
-
- if (AES_ENCRYPT == enc)
- {
- /* XXX: Do a separate case for when in != out (strictly should
- check for overlap, too) */
-
- /* First the forward pass */
- iv = ivec;
- iv2 = ivec + AES_BLOCK_SIZE;
- while (len >= AES_BLOCK_SIZE)
- {
- /* hexdump(stdout, "in", in, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv", iv, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] = in[n] ^ iv[n];
- /* hexdump(stdout, "in ^ iv", out, AES_BLOCK_SIZE); */
- AES_encrypt(out, out, key);
- /* hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] ^= iv2[n];
- /* hexdump(stdout,"out", out, AES_BLOCK_SIZE); */
- iv = out;
- memcpy(prev, in, AES_BLOCK_SIZE);
- iv2 = prev;
- len -= AES_BLOCK_SIZE;
- in += AES_BLOCK_SIZE;
- out += AES_BLOCK_SIZE;
- }
-
- /* And now backwards */
- iv = ivec + AES_BLOCK_SIZE*2;
- iv2 = ivec + AES_BLOCK_SIZE*3;
- len = length;
- while(len >= AES_BLOCK_SIZE)
- {
- out -= AES_BLOCK_SIZE;
- /* hexdump(stdout, "intermediate", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv", iv, AES_BLOCK_SIZE); */
- /* XXX: reduce copies by alternating between buffers */
- memcpy(tmp, out, AES_BLOCK_SIZE);
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] ^= iv[n];
- /* hexdump(stdout, "out ^ iv", out, AES_BLOCK_SIZE); */
- AES_encrypt(out, out, key);
- /* hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] ^= iv2[n];
- /* hexdump(stdout,"out", out, AES_BLOCK_SIZE); */
- iv = out;
- memcpy(prev, tmp, AES_BLOCK_SIZE);
- iv2 = prev;
- len -= AES_BLOCK_SIZE;
- }
- }
- else
- {
- /* First backwards */
- iv = ivec + AES_BLOCK_SIZE*2;
- iv2 = ivec + AES_BLOCK_SIZE*3;
- in += length;
- out += length;
- while (len >= AES_BLOCK_SIZE)
- {
- in -= AES_BLOCK_SIZE;
- out -= AES_BLOCK_SIZE;
- memcpy(tmp, in, AES_BLOCK_SIZE);
- memcpy(tmp2, in, AES_BLOCK_SIZE);
- /* hexdump(stdout, "in", in, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv2", iv2, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- tmp[n] ^= iv2[n];
- /* hexdump(stdout, "in ^ iv2", tmp, AES_BLOCK_SIZE); */
- AES_decrypt(tmp, out, key);
- /* hexdump(stdout, "dec", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv", iv, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] ^= iv[n];
- /* hexdump(stdout, "out", out, AES_BLOCK_SIZE); */
- memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
- iv = tmp3;
- iv2 = out;
- len -= AES_BLOCK_SIZE;
- }
-
- /* And now forwards */
- iv = ivec;
- iv2 = ivec + AES_BLOCK_SIZE;
- len = length;
- while (len >= AES_BLOCK_SIZE)
- {
- memcpy(tmp, out, AES_BLOCK_SIZE);
- memcpy(tmp2, out, AES_BLOCK_SIZE);
- /* hexdump(stdout, "intermediate", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv2", iv2, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- tmp[n] ^= iv2[n];
- /* hexdump(stdout, "out ^ iv2", tmp, AES_BLOCK_SIZE); */
- AES_decrypt(tmp, out, key);
- /* hexdump(stdout, "dec", out, AES_BLOCK_SIZE); */
- /* hexdump(stdout, "iv", ivec, AES_BLOCK_SIZE); */
- for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
- out[n] ^= iv[n];
- /* hexdump(stdout, "out", out, AES_BLOCK_SIZE); */
- memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
- iv = tmp3;
- iv2 = out;
- len -= AES_BLOCK_SIZE;
- in += AES_BLOCK_SIZE;
- out += AES_BLOCK_SIZE;
- }
-
- }
- }
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