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This commit is contained in:
Adam Ierymenko 2019-08-19 16:45:29 -07:00
parent 7bda3d0f74
commit 900ec143a8
No known key found for this signature in database
GPG Key ID: 1657198823E52A61
1 changed files with 22 additions and 4 deletions
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26
node/AES.hpp
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@ -193,7 +193,7 @@ private:
/**************************************************************************/
#ifdef ZT_AES_ARMNEON /******************************************************/
static inline uint32x4_t *_aes_256_expAssist_armneon(uint32x4_t prev1,uint32x4_t prev2,uint32_t rcon)
static inline void _aes_256_expAssist_armneon(uint32x4_t prev1,uint32x4_t prev2,uint32_t rcon,uint32x4_t *e1,uint32x4_t *e2)
{
uint32_t round1[4], round2[4], prv1[4], prv2[4];
vst1q_u32(prv1, prev1);
@ -206,15 +206,32 @@ private:
round2[1] = sub_word(rot_word(round2[0])) ^ rcon ^ prv2[1];
round2[2] = sub_word(rot_word(round2[1])) ^ rcon ^ prv2[2];
round2[3] = sub_word(rot_word(round2[2])) ^ rcon ^ prv2[3];
uint32x4_t expansion[2] = {vld1q_u3(round1), vld1q_u3(round2)};
return expansion;
*e1 = vld1q_u3(round1);
*e2 = vld1q_u3(round2);
//uint32x4_t expansion[2] = {vld1q_u3(round1), vld1q_u3(round2)};
//return expansion;
}
inline void _init_armneon(uint8x16_t encKey)
{
uint32x4_t *schedule = _k.neon.k;
uint32x4_t *doubleRound = nullptr;
uint32x4_t e1,e2;
(*schedule)[0] = vld1q_u32(encKey);
(*schedule)[1] = vld1q_u32(encKey + 16);
_aes_256_expAssist_armneon((*schedule)[0],(*schedule)[1],0x01,&e1,&e2);
(*schedule)[2] = e1; (*schedule)[3] = e2;
_aes_256_expAssist_armneon((*schedule)[2],(*schedule)[3],0x01,&e1,&e2);
(*schedule)[4] = e1; (*schedule)[5] = e2;
_aes_256_expAssist_armneon((*schedule)[4],(*schedule)[5],0x01,&e1,&e2);
(*schedule)[6] = e1; (*schedule)[7] = e2;
_aes_256_expAssist_armneon((*schedule)[6],(*schedule)[7],0x01,&e1,&e2);
(*schedule)[8] = e1; (*schedule)[9] = e2;
_aes_256_expAssist_armneon((*schedule)[8],(*schedule)[9],0x01,&e1,&e2);
(*schedule)[10] = e1; (*schedule)[11] = e2;
_aes_256_expAssist_armneon((*schedule)[10],(*schedule)[11],0x01,&e1,&e2);
(*schedule)[12] = e1; (*schedule)[13] = e2;
_aes_256_expAssist_armneon((*schedule)[12],(*schedule)[13],0x01,&e1,&e2);
(*schedule)[14] = e1;
/*
doubleRound = _aes_256_expAssist_armneon((*schedule)[0], (*schedule)[1], 0x01);
(*schedule)[2] = doubleRound[0];
(*schedule)[3] = doubleRound[1];
@ -235,6 +252,7 @@ private:
(*schedule)[13] = doubleRound[1];
doubleRound = _aes_256_expAssist_armneon((*schedule)[12], (*schedule)[13], 0x40);
(*schedule)[14] = doubleRound[0];
*/
}
inline void _encrypt_armneon(uint8x16_t *data) const