summaryrefslogtreecommitdiffhomepage
path: root/libtomcrypt/src/ciphers/noekeon.c
diff options
context:
space:
mode:
authorMatt Johnston <matt@ucc.asn.au>2018-02-09 21:44:05 +0800
committerMatt Johnston <matt@ucc.asn.au>2018-02-09 21:44:05 +0800
commit4f2eb1914bdac3ed3ee504ad86061281dbe0d074 (patch)
tree078293375c3f3ee2d485cf9559a08d65d460786a /libtomcrypt/src/ciphers/noekeon.c
parentd72f50ff3284e15124a0f233c26339229fe305ac (diff)
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Diffstat (limited to 'libtomcrypt/src/ciphers/noekeon.c')
-rw-r--r--libtomcrypt/src/ciphers/noekeon.c141
1 files changed, 83 insertions, 58 deletions
diff --git a/libtomcrypt/src/ciphers/noekeon.c b/libtomcrypt/src/ciphers/noekeon.c
index bdbcb2a..13720d1 100644
--- a/libtomcrypt/src/ciphers/noekeon.c
+++ b/libtomcrypt/src/ciphers/noekeon.c
@@ -5,12 +5,10 @@
*
* The library is free for all purposes without any express
* guarantee it works.
- *
- * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
*/
/**
@file noekeon.c
- Implementation of the Noekeon block cipher by Tom St Denis
+ Implementation of the Noekeon block cipher by Tom St Denis
*/
#include "tomcrypt.h"
@@ -27,7 +25,7 @@ const struct ltc_cipher_descriptor noekeon_desc =
&noekeon_test,
&noekeon_done,
&noekeon_keysize,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
static const ulong32 RC[] = {
@@ -35,7 +33,7 @@ static const ulong32 RC[] = {
0x000000d8UL, 0x000000abUL, 0x0000004dUL, 0x0000009aUL,
0x0000002fUL, 0x0000005eUL, 0x000000bcUL, 0x00000063UL,
0x000000c6UL, 0x00000097UL, 0x00000035UL, 0x0000006aUL,
- 0x000000d4UL
+ 0x000000d4UL
};
#define kTHETA(a, b, c, d) \
@@ -49,7 +47,7 @@ static const ulong32 RC[] = {
b ^= temp ^ k[1]; d ^= temp ^ k[3]; \
temp = b^d; temp = temp ^ ROLc(temp, 8) ^ RORc(temp, 8); \
a ^= temp ^ k[0]; c ^= temp ^ k[2];
-
+
#define GAMMA(a, b, c, d) \
b ^= ~(d|c); \
a ^= c&b; \
@@ -57,13 +55,13 @@ static const ulong32 RC[] = {
c ^= a ^ b ^ d; \
b ^= ~(d|c); \
a ^= c&b;
-
+
#define PI1(a, b, c, d) \
- a = ROLc(a, 1); c = ROLc(c, 5); d = ROLc(d, 2);
-
+ b = ROLc(b, 1); c = ROLc(c, 5); d = ROLc(d, 2);
+
#define PI2(a, b, c, d) \
- a = RORc(a, 1); c = RORc(c, 5); d = RORc(d, 2);
-
+ b = RORc(b, 1); c = RORc(c, 5); d = RORc(d, 2);
+
/**
Initialize the Noekeon block cipher
@param key The symmetric key you wish to pass
@@ -75,23 +73,23 @@ static const ulong32 RC[] = {
int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey)
{
ulong32 temp;
-
+
LTC_ARGCHK(key != NULL);
LTC_ARGCHK(skey != NULL);
-
+
if (keylen != 16) {
return CRYPT_INVALID_KEYSIZE;
}
-
+
if (num_rounds != 16 && num_rounds != 0) {
return CRYPT_INVALID_ROUNDS;
}
-
+
LOAD32H(skey->noekeon.K[0],&key[0]);
LOAD32H(skey->noekeon.K[1],&key[4]);
LOAD32H(skey->noekeon.K[2],&key[8]);
LOAD32H(skey->noekeon.K[3],&key[12]);
-
+
LOAD32H(skey->noekeon.dK[0],&key[0]);
LOAD32H(skey->noekeon.dK[1],&key[4]);
LOAD32H(skey->noekeon.dK[2],&key[8]);
@@ -121,10 +119,10 @@ int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_ke
LTC_ARGCHK(skey != NULL);
LTC_ARGCHK(pt != NULL);
LTC_ARGCHK(ct != NULL);
-
+
LOAD32H(a,&pt[0]); LOAD32H(b,&pt[4]);
LOAD32H(c,&pt[8]); LOAD32H(d,&pt[12]);
-
+
#define ROUND(i) \
a ^= RC[i]; \
THETA(skey->noekeon.K, a,b,c,d); \
@@ -140,7 +138,7 @@ int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_ke
a ^= RC[16];
THETA(skey->noekeon.K, a, b, c, d);
-
+
STORE32H(a,&ct[0]); STORE32H(b,&ct[4]);
STORE32H(c,&ct[8]); STORE32H(d,&ct[12]);
@@ -152,7 +150,7 @@ int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_ke
{
int err = _noekeon_ecb_encrypt(pt, ct, skey);
burn_stack(sizeof(ulong32) * 5 + sizeof(int));
- return CRYPT_OK;
+ return err;
}
#endif
@@ -160,7 +158,7 @@ int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_ke
Decrypts a block of text with Noekeon
@param ct The input ciphertext (16 bytes)
@param pt The output plaintext (16 bytes)
- @param skey The key as scheduled
+ @param skey The key as scheduled
@return CRYPT_OK if successful
*/
#ifdef LTC_CLEAN_STACK
@@ -175,17 +173,17 @@ int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_ke
LTC_ARGCHK(skey != NULL);
LTC_ARGCHK(pt != NULL);
LTC_ARGCHK(ct != NULL);
-
+
LOAD32H(a,&ct[0]); LOAD32H(b,&ct[4]);
LOAD32H(c,&ct[8]); LOAD32H(d,&ct[12]);
-
+
#define ROUND(i) \
THETA(skey->noekeon.dK, a,b,c,d); \
a ^= RC[i]; \
PI1(a,b,c,d); \
GAMMA(a,b,c,d); \
- PI2(a,b,c,d);
+ PI2(a,b,c,d);
for (r = 16; r > 0; --r) {
ROUND(r);
@@ -224,59 +222,86 @@ int noekeon_test(void)
} tests[] = {
{
16,
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
- { 0x18, 0xa6, 0xec, 0xe5, 0x28, 0xaa, 0x79, 0x73,
- 0x28, 0xb2, 0xc0, 0x91, 0xa0, 0x2f, 0x54, 0xc5}
+ { 0xAA, 0x3C, 0x8C, 0x86, 0xD9, 0x8B, 0xF8, 0xBE, 0x21, 0xE0, 0x36, 0x09, 0x78, 0xFB, 0xE4, 0x90 },
+ { 0xE4, 0x96, 0x6C, 0xD3, 0x13, 0xA0, 0x6C, 0xAF, 0xD0, 0x23, 0xC9, 0xFD, 0x45, 0x32, 0x23, 0x16 },
+ { 0xA6, 0xEC, 0xB8, 0xA8, 0x61, 0xFD, 0x62, 0xD9, 0x13, 0x02, 0xFE, 0x9E, 0x47, 0x01, 0x3F, 0xC3 }
+ },
+ {
+ 16,
+ { 0xED, 0x43, 0xD1, 0x87, 0x21, 0x7E, 0xE0, 0x97, 0x3D, 0x76, 0xC3, 0x37, 0x2E, 0x7D, 0xAE, 0xD3 },
+ { 0xE3, 0x38, 0x32, 0xCC, 0xF2, 0x2F, 0x2F, 0x0A, 0x4A, 0x8B, 0x8F, 0x18, 0x12, 0x20, 0x17, 0xD3 },
+ { 0x94, 0xA5, 0xDF, 0xF5, 0xAE, 0x1C, 0xBB, 0x22, 0xAD, 0xEB, 0xA7, 0x0D, 0xB7, 0x82, 0x90, 0xA0 }
+ },
+ {
+ 16,
+ { 0x6F, 0xDC, 0x23, 0x38, 0xF2, 0x10, 0xFB, 0xD3, 0xC1, 0x8C, 0x02, 0xF6, 0xB4, 0x6A, 0xD5, 0xA8 },
+ { 0xDB, 0x29, 0xED, 0xB5, 0x5F, 0xB3, 0x60, 0x3A, 0x92, 0xA8, 0xEB, 0x9C, 0x6D, 0x9D, 0x3E, 0x8F },
+ { 0x78, 0xF3, 0x6F, 0xF8, 0x9E, 0xBB, 0x8C, 0x6A, 0xE8, 0x10, 0xF7, 0x00, 0x22, 0x15, 0x30, 0x3D }
+ },
+ {
+ 16,
+ { 0x2C, 0x0C, 0x02, 0xEF, 0x6B, 0xC4, 0xF2, 0x0B, 0x2E, 0xB9, 0xE0, 0xBF, 0xD9, 0x36, 0xC2, 0x4E },
+ { 0x84, 0xE2, 0xFE, 0x64, 0xB1, 0xB9, 0xFE, 0x76, 0xA8, 0x3F, 0x45, 0xC7, 0x40, 0x7A, 0xAF, 0xEE },
+ { 0x2A, 0x08, 0xD6, 0xA2, 0x1C, 0x63, 0x08, 0xB0, 0xF8, 0xBC, 0xB3, 0xA1, 0x66, 0xF7, 0xAE, 0xCF }
+ },
+ {
+ 16,
+ { 0x6F, 0x30, 0xF8, 0x9F, 0xDA, 0x6E, 0xA0, 0x91, 0x04, 0x0F, 0x6C, 0x8B, 0x7D, 0xF7, 0x2A, 0x4B },
+ { 0x65, 0xB6, 0xA6, 0xD0, 0x42, 0x14, 0x08, 0x60, 0x34, 0x8D, 0x37, 0x2F, 0x01, 0xF0, 0x46, 0xBE },
+ { 0x66, 0xAC, 0x0B, 0x62, 0x1D, 0x68, 0x11, 0xF5, 0x27, 0xB1, 0x13, 0x5D, 0xF3, 0x2A, 0xE9, 0x18 }
+ },
+ {
+ 16,
+ { 0xCA, 0xA4, 0x16, 0xB7, 0x1C, 0x92, 0x2E, 0xAD, 0xEB, 0xA7, 0xDB, 0x69, 0x92, 0xCB, 0x35, 0xEF },
+ { 0x81, 0x6F, 0x8E, 0x4D, 0x96, 0xC6, 0xB3, 0x67, 0x83, 0xF5, 0x63, 0xC7, 0x20, 0x6D, 0x40, 0x23 },
+ { 0x44, 0xF7, 0x63, 0x62, 0xF0, 0x43, 0xBB, 0x67, 0x4A, 0x75, 0x12, 0x42, 0x46, 0x29, 0x28, 0x19 }
+ },
+ {
+ 16,
+ { 0x6B, 0xCF, 0x22, 0x2F, 0xE0, 0x1B, 0xB0, 0xAA, 0xD8, 0x3C, 0x91, 0x99, 0x18, 0xB2, 0x28, 0xE8 },
+ { 0x7C, 0x37, 0xC7, 0xD0, 0xAC, 0x92, 0x29, 0xF1, 0x60, 0x82, 0x93, 0x89, 0xAA, 0x61, 0xAA, 0xA9 },
+ { 0xE5, 0x89, 0x1B, 0xB3, 0xFE, 0x8B, 0x0C, 0xA1, 0xA6, 0xC7, 0xBE, 0x12, 0x73, 0x0F, 0xC1, 0x19 }
+ },
+ {
+ 16,
+ { 0xE6, 0xD0, 0xF1, 0x03, 0x2E, 0xDE, 0x70, 0x8D, 0xD8, 0x9E, 0x36, 0x5C, 0x05, 0x52, 0xE7, 0x0D },
+ { 0xE2, 0x42, 0xE7, 0x92, 0x0E, 0xF7, 0x82, 0xA2, 0xB8, 0x21, 0x8D, 0x26, 0xBA, 0x2D, 0xE6, 0x32 },
+ { 0x1E, 0xDD, 0x75, 0x22, 0xB9, 0x36, 0x8A, 0x0F, 0x32, 0xFD, 0xD4, 0x48, 0x65, 0x12, 0x5A, 0x2F }
}
};
symmetric_key key;
unsigned char tmp[2][16];
int err, i, y;
-
+
for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) {
zeromem(&key, sizeof(key));
- if ((err = noekeon_setup(tests[i].key, tests[i].keylen, 0, &key)) != CRYPT_OK) {
+ if ((err = noekeon_setup(tests[i].key, tests[i].keylen, 0, &key)) != CRYPT_OK) {
return err;
}
-
+
noekeon_ecb_encrypt(tests[i].pt, tmp[0], &key);
noekeon_ecb_decrypt(tmp[0], tmp[1], &key);
- if (XMEMCMP(tmp[0], tests[i].ct, 16) || XMEMCMP(tmp[1], tests[i].pt, 16)) {
-#if 0
- printf("\n\nTest %d failed\n", i);
- if (XMEMCMP(tmp[0], tests[i].ct, 16)) {
- printf("CT: ");
- for (i = 0; i < 16; i++) {
- printf("%02x ", tmp[0][i]);
- }
- printf("\n");
- } else {
- printf("PT: ");
- for (i = 0; i < 16; i++) {
- printf("%02x ", tmp[1][i]);
- }
- printf("\n");
- }
-#endif
+ if (compare_testvector(tmp[0], 16, tests[i].ct, 16, "Noekeon Encrypt", i) ||
+ compare_testvector(tmp[1], 16, tests[i].pt, 16, "Noekeon Decrypt", i)) {
return CRYPT_FAIL_TESTVECTOR;
}
- /* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */
- for (y = 0; y < 16; y++) tmp[0][y] = 0;
- for (y = 0; y < 1000; y++) noekeon_ecb_encrypt(tmp[0], tmp[0], &key);
- for (y = 0; y < 1000; y++) noekeon_ecb_decrypt(tmp[0], tmp[0], &key);
- for (y = 0; y < 16; y++) if (tmp[0][y] != 0) return CRYPT_FAIL_TESTVECTOR;
- }
+ /* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */
+ for (y = 0; y < 16; y++) tmp[0][y] = 0;
+ for (y = 0; y < 1000; y++) noekeon_ecb_encrypt(tmp[0], tmp[0], &key);
+ for (y = 0; y < 1000; y++) noekeon_ecb_decrypt(tmp[0], tmp[0], &key);
+ for (y = 0; y < 16; y++) if (tmp[0][y] != 0) return CRYPT_FAIL_TESTVECTOR;
+ }
return CRYPT_OK;
#endif
}
-/** Terminate the context
+/** Terminate the context
@param skey The scheduled key
*/
void noekeon_done(symmetric_key *skey)
{
+ LTC_UNUSED_PARAM(skey);
}
/**
@@ -298,6 +323,6 @@ int noekeon_keysize(int *keysize)
#endif
-/* $Source$ */
-/* $Revision$ */
-/* $Date$ */
+/* ref: $Format:%D$ */
+/* git commit: $Format:%H$ */
+/* commit time: $Format:%ai$ */