25 void poly1305_init(struct poly1305_desc_ctx *desc,  in poly1305_init()  argument
28 	desc->s[0] = get_unaligned_le32(key + 16);  in poly1305_init()
29 	desc->s[1] = get_unaligned_le32(key + 20);  in poly1305_init()
30 	desc->s[2] = get_unaligned_le32(key + 24);  in poly1305_init()
31 	desc->s[3] = get_unaligned_le32(key + 28);  in poly1305_init()
32 	desc->buflen = 0;  in poly1305_init()
33 	poly1305_block_init(&desc->state, key);  in poly1305_init()
37 void poly1305_update(struct poly1305_desc_ctx *desc,  in poly1305_update()  argument
40 	if (desc->buflen + nbytes >= POLY1305_BLOCK_SIZE) {  in poly1305_update()
43 		if (desc->buflen) {  in poly1305_update()
44 			unsigned int l = POLY1305_BLOCK_SIZE - desc->buflen;  in poly1305_update()
46 			memcpy(&desc->buf[desc->buflen], src, l);  in poly1305_update()
50 			poly1305_blocks(&desc->state, desc->buf,  in poly1305_update()
52 			desc->buflen = 0;  in poly1305_update()
59 			poly1305_blocks(&desc->state, src, bulk_len, 1);  in poly1305_update()
64 		memcpy(&desc->buf[desc->buflen], src, nbytes);  in poly1305_update()
65 		desc->buflen += nbytes;  in poly1305_update()
70 void poly1305_final(struct poly1305_desc_ctx *desc, u8 *dst)  in poly1305_final()  argument
72 	if (unlikely(desc->buflen)) {  in poly1305_final()
73 		desc->buf[desc->buflen++] = 1;  in poly1305_final()
74 		memset(desc->buf + desc->buflen, 0,  in poly1305_final()
75 		       POLY1305_BLOCK_SIZE - desc->buflen);  in poly1305_final()
76 		poly1305_blocks(&desc->state, desc->buf, POLY1305_BLOCK_SIZE,  in poly1305_final()
80 	poly1305_emit(&desc->state.h, dst, desc->s);  in poly1305_final()
81 	*desc = (struct poly1305_desc_ctx){};  in poly1305_final()