33 void chacha_block_generic(u32 *state, u8 *stream, int nrounds);
34 static inline void chacha20_block(u32 *state, u8 *stream)  in chacha20_block()  argument
36 	chacha_block_generic(state, stream, 20);  in chacha20_block()
39 void hchacha_block_arch(const u32 *state, u32 *out, int nrounds);
40 void hchacha_block_generic(const u32 *state, u32 *out, int nrounds);
42 static inline void hchacha_block(const u32 *state, u32 *out, int nrounds)  in hchacha_block()  argument
45 		hchacha_block_arch(state, out, nrounds);  in hchacha_block()
47 		hchacha_block_generic(state, out, nrounds);  in hchacha_block()
57 static inline void chacha_init_consts(u32 *state)  in chacha_init_consts()  argument
59 	state[0]  = CHACHA_CONSTANT_EXPA;  in chacha_init_consts()
60 	state[1]  = CHACHA_CONSTANT_ND_3;  in chacha_init_consts()
61 	state[2]  = CHACHA_CONSTANT_2_BY;  in chacha_init_consts()
62 	state[3]  = CHACHA_CONSTANT_TE_K;  in chacha_init_consts()
65 void chacha_init_arch(u32 *state, const u32 *key, const u8 *iv);
66 static inline void chacha_init_generic(u32 *state, const u32 *key, const u8 *iv)  in chacha_init_generic()  argument
68 	chacha_init_consts(state);  in chacha_init_generic()
69 	state[4]  = key[0];  in chacha_init_generic()
70 	state[5]  = key[1];  in chacha_init_generic()
71 	state[6]  = key[2];  in chacha_init_generic()
72 	state[7]  = key[3];  in chacha_init_generic()
73 	state[8]  = key[4];  in chacha_init_generic()
74 	state[9]  = key[5];  in chacha_init_generic()
75 	state[10] = key[6];  in chacha_init_generic()
76 	state[11] = key[7];  in chacha_init_generic()
77 	state[12] = get_unaligned_le32(iv +  0);  in chacha_init_generic()
78 	state[13] = get_unaligned_le32(iv +  4);  in chacha_init_generic()
79 	state[14] = get_unaligned_le32(iv +  8);  in chacha_init_generic()
80 	state[15] = get_unaligned_le32(iv + 12);  in chacha_init_generic()
83 static inline void chacha_init(u32 *state, const u32 *key, const u8 *iv)  in chacha_init()  argument
86 		chacha_init_arch(state, key, iv);  in chacha_init()
88 		chacha_init_generic(state, key, iv);  in chacha_init()
91 void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src,
93 void chacha_crypt_generic(u32 *state, u8 *dst, const u8 *src,
96 static inline void chacha_crypt(u32 *state, u8 *dst, const u8 *src,  in chacha_crypt()  argument
100 		chacha_crypt_arch(state, dst, src, bytes, nrounds);  in chacha_crypt()
102 		chacha_crypt_generic(state, dst, src, bytes, nrounds);  in chacha_crypt()
105 static inline void chacha20_crypt(u32 *state, u8 *dst, const u8 *src,  in chacha20_crypt()  argument
108 	chacha_crypt(state, dst, src, bytes, 20);  in chacha20_crypt()