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-rw-r--r--srtp/tables/.cvsignore1
-rw-r--r--srtp/tables/CVS/Entries3
-rw-r--r--srtp/tables/CVS/Repository1
-rw-r--r--srtp/tables/CVS/Root1
-rw-r--r--srtp/tables/aes_tables.c346
5 files changed, 0 insertions, 352 deletions
diff --git a/srtp/tables/.cvsignore b/srtp/tables/.cvsignore
deleted file mode 100644
index 45492b4..0000000
--- a/srtp/tables/.cvsignore
+++ /dev/null
@@ -1 +0,0 @@
-aes_tables
diff --git a/srtp/tables/CVS/Entries b/srtp/tables/CVS/Entries
deleted file mode 100644
index c0cc166..0000000
--- a/srtp/tables/CVS/Entries
+++ /dev/null
@@ -1,3 +0,0 @@
-/.cvsignore/1.1/Thu Sep 29 12:06:41 2005//
-/aes_tables.c/1.7/Thu Jun 8 17:00:29 2006//
-D
diff --git a/srtp/tables/CVS/Repository b/srtp/tables/CVS/Repository
deleted file mode 100644
index 9cf6c91..0000000
--- a/srtp/tables/CVS/Repository
+++ /dev/null
@@ -1 +0,0 @@
-srtp/tables
diff --git a/srtp/tables/CVS/Root b/srtp/tables/CVS/Root
deleted file mode 100644
index 05e15d8..0000000
--- a/srtp/tables/CVS/Root
+++ /dev/null
@@ -1 +0,0 @@
-srtp.cvs.sourceforge.net:/cvsroot/srtp
diff --git a/srtp/tables/aes_tables.c b/srtp/tables/aes_tables.c
deleted file mode 100644
index b2bc1d7..0000000
--- a/srtp/tables/aes_tables.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- * aes_tables.c
- *
- * generate tables for the AES cipher
- *
- * David A. McGrew
- * Cisco Systems, Inc.
- */
-/*
- *
- * Copyright(c) 2001-2006 Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 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.
- *
- * Neither the name of the Cisco Systems, Inc. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS 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
- * COPYRIGHT HOLDERS OR 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 <stdio.h>
-#include "gf2_8.h"
-#include "crypto_math.h"
-
-
-unsigned char aes_sbox[256];
-
-unsigned char aes_inv_sbox[256];
-
-uint32_t T0[256], T1[256], T2[256], T3[256], T4[256];
-
-
-#define AES_INVERSE_TEST 0 /* set to 1 to test forward/backwards aes */
-
-/* functions for precomputing AES values */
-
-/*
- * A[] is the 8 x 8 binary matrix (represented as an array of columns,
- * where each column is an octet) which defines the affine
- * transformation used in the AES substitution table (Section
- * 4.2.1 of the spec).
- */
-
-uint8_t A[8] = { 31, 62, 124, 248, 241, 227, 199, 143 };
-
-/*
- * b is the 8 bit vector (represented as an octet) used in the affine
- * transform described above.
- */
-
-uint8_t b = 99;
-
-
-void
-aes_init_sbox(void) {
- unsigned int i;
- uint8_t x;
-
- for (i=0; i < 256; i++) {
- x = gf2_8_compute_inverse((gf2_8)i);
- x = A_times_x_plus_b(A, x, b);
- aes_sbox[i] = x;
- aes_inv_sbox[x] = i;
- }
-}
-
-void
-aes_compute_tables(void) {
- int i;
- uint32_t x1, x2, x3;
- v32_t tmp;
-
- /* initialize substitution table */
- aes_init_sbox();
-
- /* combine sbox with linear operations to form 8-bit to 32-bit tables */
- for (i=0; i < 256; i++) {
- x1 = aes_sbox[i];
- x2 = gf2_8_shift(x1);
- x3 = x2 ^ x1;
-
- tmp.v8[0] = x2;
- tmp.v8[1] = x1;
- tmp.v8[2] = x1;
- tmp.v8[3] = x3;
- T0[i] = tmp.value;
-
- tmp.v8[0] = x3;
- tmp.v8[1] = x2;
- tmp.v8[2] = x1;
- tmp.v8[3] = x1;
- T1[i] = tmp.value;
-
- tmp.v8[0] = x1;
- tmp.v8[1] = x3;
- tmp.v8[2] = x2;
- tmp.v8[3] = x1;
- T2[i] = tmp.value;
-
- tmp.v8[0] = x1;
- tmp.v8[1] = x1;
- tmp.v8[2] = x3;
- tmp.v8[3] = x2;
- T3[i] = tmp.value;
-
- }
-}
-
-
-/*
- * the tables U0, U1, U2, U3 implement the aes operations invSubBytes,
- * invMixColumns, and invShiftRows
- */
-
-uint32_t U0[256], U1[256], U2[256], U3[256], U4[256];
-
-extern uint8_t aes_inv_sbox[256];
-
-void
-aes_compute_inv_tables(void) {
- int i;
- uint8_t x, xe, x9, xd, xb;
- v32_t tmp;
-
- /* combine sbox with linear operations to form 8-bit to 32-bit tables */
- for (i=0; i < 256; i++) {
- x = aes_inv_sbox[i];
-
- xe = gf2_8_multiply(0x0e, x);
- x9 = gf2_8_multiply(0x09, x);
- xd = gf2_8_multiply(0x0d, x);
- xb = gf2_8_multiply(0x0b, x);
-
- tmp.v8[0] = xe;
- tmp.v8[1] = x9;
- tmp.v8[2] = xd;
- tmp.v8[3] = xb;
- U0[i] = tmp.value;
-
- tmp.v8[0] = xb;
- tmp.v8[1] = xe;
- tmp.v8[2] = x9;
- tmp.v8[3] = xd;
- U1[i] = tmp.value;
-
- tmp.v8[0] = xd;
- tmp.v8[1] = xb;
- tmp.v8[2] = xe;
- tmp.v8[3] = x9;
- U2[i] = tmp.value;
-
- tmp.v8[0] = x9;
- tmp.v8[1] = xd;
- tmp.v8[2] = xb;
- tmp.v8[3] = xe;
- U3[i] = tmp.value;
-
- tmp.v8[0] = tmp.v8[1] = tmp.v8[2] = tmp.v8[3] = x;
- U4[i] = tmp.value;
- }
-}
-
-
-/*
- * aes_test_inverse() returns err_status_ok if aes
- * encryption and decryption are true inverses of each other, and
- * returns err_status_algo_fail otherwise
- */
-
-#include "err.h"
-
-err_status_t
-aes_test_inverse(void);
-
-#define TABLES_32BIT 1
-
-int
-main(void) {
- int i;
-
- aes_init_sbox();
- aes_compute_inv_tables();
-
-#if TABLES_32BIT
- printf("uint32_t U0 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%0x, ", U0[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U1 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%x, ", U1[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U2 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%x, ", U2[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U3 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%x, ", U3[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U4 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%x, ", U4[i]);
- }
- printf("\n}\n");
-
-#else
-
- printf("uint32_t U0 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%lx, ", U0[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U1 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%lx, ", U1[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U2 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%lx, ", U2[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U3 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%lx, ", U3[i]);
- }
- printf("\n}\n");
-
- printf("uint32_t U4 = {");
- for (i=0; i < 256; i++) {
- if ((i % 4) == 0)
- printf("\n");
- printf("0x%lx, ", U4[i]);
- }
- printf("\n}\n");
-
-
-#endif /* TABLES_32BIT */
-
-
-#if AES_INVERSE_TEST
- /*
- * test that aes_encrypt and aes_decrypt are actually
- * inverses of each other
- */
-
- printf("aes inverse test: ");
- if (aes_test_inverse() == err_status_ok)
- printf("passed\n");
- else {
- printf("failed\n");
- exit(1);
- }
-#endif
-
- return 0;
-}
-
-#if AES_INVERSE_TEST
-
-err_status_t
-aes_test_inverse(void) {
- v128_t x, y;
- aes_expanded_key_t expanded_key, decrypt_key;
- uint8_t plaintext[16] = {
- 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
- 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
- };
- uint8_t key[16] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
- };
- v128_t k;
- v128_set_to_zero(&x);
-
- v128_copy_octet_string(&k, key);
- v128_copy_octet_string(&x, plaintext);
- aes_expand_encryption_key(k, expanded_key);
- aes_expand_decryption_key(k, decrypt_key);
- aes_encrypt(&x, expanded_key);
- aes_decrypt(&x, decrypt_key);
-
- /* compare to expected value then report */
- v128_copy_octet_string(&y, plaintext);
-
- if (v128_is_eq(&x, &y))
- return err_status_ok;
- return err_status_algo_fail;
-
-}
-
-#endif
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