62 int tc_aes128_set_decrypt_key(TCAesKeySched_t s, const uint8_t *k)  in tc_aes128_set_decrypt_key()  argument
64 	return tc_aes128_set_encrypt_key(s, k);  in tc_aes128_set_decrypt_key()
81 static inline void inv_mix_columns(uint8_t *s)  in inv_mix_columns()  argument
85 	mult_row_column(t, s);  in inv_mix_columns()
86 	mult_row_column(&t[Nb], s+Nb);  in inv_mix_columns()
87 	mult_row_column(&t[2*Nb], s+(2*Nb));  in inv_mix_columns()
88 	mult_row_column(&t[3*Nb], s+(3*Nb));  in inv_mix_columns()
89 	(void)_copy(s, sizeof(t), t, sizeof(t));  in inv_mix_columns()
92 static inline void add_round_key(uint8_t *s, const unsigned int *k)  in add_round_key()  argument
94 	s[0] ^= (uint8_t)(k[0] >> 24); s[1] ^= (uint8_t)(k[0] >> 16);  in add_round_key()
95 	s[2] ^= (uint8_t)(k[0] >> 8); s[3] ^= (uint8_t)(k[0]);  in add_round_key()
96 	s[4] ^= (uint8_t)(k[1] >> 24); s[5] ^= (uint8_t)(k[1] >> 16);  in add_round_key()
97 	s[6] ^= (uint8_t)(k[1] >> 8); s[7] ^= (uint8_t)(k[1]);  in add_round_key()
98 	s[8] ^= (uint8_t)(k[2] >> 24); s[9] ^= (uint8_t)(k[2] >> 16);  in add_round_key()
99 	s[10] ^= (uint8_t)(k[2] >> 8); s[11] ^= (uint8_t)(k[2]);  in add_round_key()
100 	s[12] ^= (uint8_t)(k[3] >> 24); s[13] ^= (uint8_t)(k[3] >> 16);  in add_round_key()
101 	s[14] ^= (uint8_t)(k[3] >> 8); s[15] ^= (uint8_t)(k[3]);  in add_round_key()
104 static inline void inv_sub_bytes(uint8_t *s)  in inv_sub_bytes()  argument
109 		s[i] = inv_sbox[s[i]];  in inv_sub_bytes()
118 static inline void inv_shift_rows(uint8_t *s)  in inv_shift_rows()  argument
122 	t[0]  = s[0]; t[1] = s[13]; t[2] = s[10]; t[3] = s[7];  in inv_shift_rows()
123 	t[4]  = s[4]; t[5] = s[1]; t[6] = s[14]; t[7] = s[11];  in inv_shift_rows()
124 	t[8]  = s[8]; t[9] = s[5]; t[10] = s[2]; t[11] = s[15];  in inv_shift_rows()
125 	t[12] = s[12]; t[13] = s[9]; t[14] = s[6]; t[15] = s[3];  in inv_shift_rows()
126 	(void)_copy(s, sizeof(t), t, sizeof(t));  in inv_shift_rows()
129 int tc_aes_decrypt(uint8_t *out, const uint8_t *in, const TCAesKeySched_t s)  in tc_aes_decrypt()  argument
138 	} else if (s == (TCAesKeySched_t) 0) {  in tc_aes_decrypt()
144 	add_round_key(state, s->words + Nb*Nr);  in tc_aes_decrypt()
149 		add_round_key(state, s->words + Nb*i);  in tc_aes_decrypt()
155 	add_round_key(state, s->words);  in tc_aes_decrypt()