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Different round keys for columns 0,1 and 2,3 in AesGenerator4R (#76)

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* this fixes identical sequences of columns 0/2 and 1/3 if their states are the same
* added TestU01 results for AesGenerator1R and AesGenerator4R
* added a note about the reversibility of AesHash1R
This commit is contained in:
tevador
2019-06-22 15:56:01 +02:00
committed by GitHub
parent 118f3054ea
commit 83498cddf2
5 changed files with 246 additions and 28 deletions
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34
src/aes_hash.cpp
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@@ -157,10 +157,14 @@ void fillAes1Rx4(void *state, size_t outputSize, void *buffer) {
template void fillAes1Rx4<true>(void *state, size_t outputSize, void *buffer);
template void fillAes1Rx4<false>(void *state, size_t outputSize, void *buffer);
#define AES_GEN_4R_KEY0 0xcf359e95, 0x141f82b7, 0x7ffbe4a6, 0xf890465d
#define AES_GEN_4R_KEY1 0x6741ffdc, 0xbd5c5ac3, 0xfee8278a, 0x6a55c450
#define AES_GEN_4R_KEY2 0x3d324aac, 0xa7279ad2, 0xd524fde4, 0x114c47a4
#define AES_GEN_4R_KEY3 0x76f6db08, 0x42d3dbd9, 0x99a9aeff, 0x810c3a2a
#define AES_GEN_4R_KEY0 0x99e5d23f, 0x2f546d2b, 0xd1833ddb, 0x6421aadd
#define AES_GEN_4R_KEY1 0xa5dfcde5, 0x06f79d53, 0xb6913f55, 0xb20e3450
#define AES_GEN_4R_KEY2 0x171c02bf, 0x0aa4679f, 0x515e7baf, 0x5c3ed904
#define AES_GEN_4R_KEY3 0xd8ded291, 0xcd673785, 0xe78f5d08, 0x85623763
#define AES_GEN_4R_KEY4 0x229effb4, 0x3d518b6d, 0xe3d6a7a6, 0xb5826f73
#define AES_GEN_4R_KEY5 0xb272b7d2, 0xe9024d4e, 0x9c10b3d9, 0xc7566bf3
#define AES_GEN_4R_KEY6 0xf63befa7, 0x2ba9660a, 0xf765a38b, 0xf273c9e7
#define AES_GEN_4R_KEY7 0xc0b0762d, 0x0c06d1fd, 0x915839de, 0x7a7cd609
template<bool softAes>
void fillAes4Rx4(void *state, size_t outputSize, void *buffer) {
@@ -168,12 +172,16 @@ void fillAes4Rx4(void *state, size_t outputSize, void *buffer) {
const uint8_t* outputEnd = outptr + outputSize;
rx_vec_i128 state0, state1, state2, state3;
rx_vec_i128 key0, key1, key2, key3;
rx_vec_i128 key0, key1, key2, key3, key4, key5, key6, key7;
key0 = rx_set_int_vec_i128(AES_GEN_4R_KEY0);
key1 = rx_set_int_vec_i128(AES_GEN_4R_KEY1);
key2 = rx_set_int_vec_i128(AES_GEN_4R_KEY2);
key3 = rx_set_int_vec_i128(AES_GEN_4R_KEY3);
key4 = rx_set_int_vec_i128(AES_GEN_4R_KEY4);
key5 = rx_set_int_vec_i128(AES_GEN_4R_KEY5);
key6 = rx_set_int_vec_i128(AES_GEN_4R_KEY6);
key7 = rx_set_int_vec_i128(AES_GEN_4R_KEY7);
state0 = rx_load_vec_i128((rx_vec_i128*)state + 0);
state1 = rx_load_vec_i128((rx_vec_i128*)state + 1);
@@ -183,23 +191,23 @@ void fillAes4Rx4(void *state, size_t outputSize, void *buffer) {
while (outptr < outputEnd) {
state0 = aesdec<softAes>(state0, key0);
state1 = aesenc<softAes>(state1, key0);
state2 = aesdec<softAes>(state2, key0);
state3 = aesenc<softAes>(state3, key0);
state2 = aesdec<softAes>(state2, key4);
state3 = aesenc<softAes>(state3, key4);
state0 = aesdec<softAes>(state0, key1);
state1 = aesenc<softAes>(state1, key1);
state2 = aesdec<softAes>(state2, key1);
state3 = aesenc<softAes>(state3, key1);
state2 = aesdec<softAes>(state2, key5);
state3 = aesenc<softAes>(state3, key5);
state0 = aesdec<softAes>(state0, key2);
state1 = aesenc<softAes>(state1, key2);
state2 = aesdec<softAes>(state2, key2);
state3 = aesenc<softAes>(state3, key2);
state2 = aesdec<softAes>(state2, key6);
state3 = aesenc<softAes>(state3, key6);
state0 = aesdec<softAes>(state0, key3);
state1 = aesenc<softAes>(state1, key3);
state2 = aesdec<softAes>(state2, key3);
state3 = aesenc<softAes>(state3, key3);
state2 = aesdec<softAes>(state2, key7);
state3 = aesenc<softAes>(state3, key7);
rx_store_vec_i128((rx_vec_i128*)outptr + 0, state0);
rx_store_vec_i128((rx_vec_i128*)outptr + 1, state1);