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Reorder AES data

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This commit is contained in:
Gregor Haas
2020-03-10 20:31:03 -04:00
parent e844e2df34
commit d77df9b994
2 changed files with 4 additions and 4 deletions
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2
c8_remote/include/dev/types.h
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@@ -12,9 +12,9 @@ struct event
struct aes_constants struct aes_constants
{ {
unsigned char sbox[16][16]; unsigned char sbox[16][16];
unsigned char rc_lookup[11];
unsigned char mul2[256]; unsigned char mul2[256];
unsigned char mul3[256]; unsigned char mul3[256];
unsigned char rc_lookup[11];
} __attribute__ ((packed)); } __attribute__ ((packed));
struct bern_data struct bern_data

6
c8_remote/lib/crypto/aes_sw_host.c
View File

@@ -23,8 +23,6 @@ static const unsigned char sbox[256] =
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
}; };
static const unsigned char rc_lookup[11] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c};
static const unsigned char mul2_lookup[256] = static const unsigned char mul2_lookup[256] =
{ {
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
@@ -65,14 +63,16 @@ static const unsigned char mul3_lookup[256] =
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a 0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
}; };
static const unsigned char rc_lookup[11] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c};
struct aes_constants *get_constants() struct aes_constants *get_constants()
{ {
struct aes_constants *res = malloc(sizeof(struct aes_constants)); struct aes_constants *res = malloc(sizeof(struct aes_constants));
memcpy(res->sbox, sbox, sizeof(sbox)); memcpy(res->sbox, sbox, sizeof(sbox));
memcpy(res->rc_lookup, rc_lookup, sizeof(rc_lookup));
memcpy(res->mul2, mul2_lookup, sizeof(mul2_lookup)); memcpy(res->mul2, mul2_lookup, sizeof(mul2_lookup));
memcpy(res->mul3, mul3_lookup, sizeof(mul3_lookup)); memcpy(res->mul3, mul3_lookup, sizeof(mul3_lookup));
memcpy(res->rc_lookup, rc_lookup, sizeof(rc_lookup));
return res; return res;
} }