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improved generic payload entry point

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This commit is contained in:
Gregor Haas
2020-02-11 20:51:04 -05:00
parent 33f3ab9a0d
commit a6ddec511a
8 changed files with 46 additions and 68 deletions
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14
c8_remote/lib/payload/src/aes_sw.c
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@@ -141,18 +141,12 @@ void aes128_encrypt_ecb(unsigned char *msg, unsigned int msg_len, unsigned char
}
PAYLOAD_SECTION
uint64_t entry_sync(uint64_t *args)
uint64_t entry_sync(unsigned char *msg, unsigned int msg_len, unsigned char key[16],
unsigned char sbox[16][16], unsigned char rc_lookup[11],
unsigned char mul2[256], unsigned char mul3[256])
{
unsigned long long start = 0, end = 0;
unsigned char *msg = (unsigned char *) args[0];
unsigned int msg_len = (unsigned int) args[1];
unsigned char *key = (unsigned char *) args[2];
unsigned char *sbox = (unsigned char *) args[3];
unsigned char *rc_lookup = (unsigned char *) args[4];
unsigned char *mul2 = (unsigned char *) args[5];
unsigned char *mul3 = (unsigned char *) args[6];
__asm__ volatile ("mrs %0, cntpct_el0" : "=r" (start));
aes128_encrypt_ecb(msg, msg_len, key, sbox, rc_lookup, mul2, mul3);
__asm__ volatile ("mrs %0, cntpct_el0" : "=r" (end));
@@ -167,7 +161,7 @@ uint64_t entry_sync(uint64_t *args)
}
PAYLOAD_SECTION
uint64_t entry_async(uint64_t *base)
void entry_async(uint64_t *base)
{
unsigned long long start = 0, end = 0;