24 	struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);  in crypto_poly1305_init()  local
26 	poly1305_core_init(&dctx->h);  in crypto_poly1305_init()
27 	dctx->buflen = 0;  in crypto_poly1305_init()
28 	dctx->rset = 0;  in crypto_poly1305_init()
29 	dctx->sset = false;  in crypto_poly1305_init()
34 static unsigned int crypto_poly1305_setdesckey(struct poly1305_desc_ctx *dctx,  in crypto_poly1305_setdesckey()  argument
37 	if (!dctx->sset) {  in crypto_poly1305_setdesckey()
38 		if (!dctx->rset && srclen >= POLY1305_BLOCK_SIZE) {  in crypto_poly1305_setdesckey()
39 			poly1305_core_setkey(&dctx->core_r, src);  in crypto_poly1305_setdesckey()
42 			dctx->rset = 2;  in crypto_poly1305_setdesckey()
45 			dctx->s[0] = get_unaligned_le32(src +  0);  in crypto_poly1305_setdesckey()
46 			dctx->s[1] = get_unaligned_le32(src +  4);  in crypto_poly1305_setdesckey()
47 			dctx->s[2] = get_unaligned_le32(src +  8);  in crypto_poly1305_setdesckey()
48 			dctx->s[3] = get_unaligned_le32(src + 12);  in crypto_poly1305_setdesckey()
51 			dctx->sset = true;  in crypto_poly1305_setdesckey()
57 static void poly1305_blocks(struct poly1305_desc_ctx *dctx, const u8 *src,  in poly1305_blocks()  argument
62 	if (unlikely(!dctx->sset)) {  in poly1305_blocks()
63 		datalen = crypto_poly1305_setdesckey(dctx, src, srclen);  in poly1305_blocks()
68 	poly1305_core_blocks(&dctx->h, &dctx->core_r, src,  in poly1305_blocks()
75 	struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);  in crypto_poly1305_update()  local
78 	if (unlikely(dctx->buflen)) {  in crypto_poly1305_update()
79 		bytes = min(srclen, POLY1305_BLOCK_SIZE - dctx->buflen);  in crypto_poly1305_update()
80 		memcpy(dctx->buf + dctx->buflen, src, bytes);  in crypto_poly1305_update()
83 		dctx->buflen += bytes;  in crypto_poly1305_update()
85 		if (dctx->buflen == POLY1305_BLOCK_SIZE) {  in crypto_poly1305_update()
86 			poly1305_blocks(dctx, dctx->buf,  in crypto_poly1305_update()
88 			dctx->buflen = 0;  in crypto_poly1305_update()
93 		poly1305_blocks(dctx, src, srclen);  in crypto_poly1305_update()
99 		dctx->buflen = srclen;  in crypto_poly1305_update()
100 		memcpy(dctx->buf, src, srclen);  in crypto_poly1305_update()
108 	struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);  in crypto_poly1305_final()  local
110 	if (unlikely(!dctx->sset))  in crypto_poly1305_final()
113 	poly1305_final_generic(dctx, dst);  in crypto_poly1305_final()