1 // SPDX-License-Identifier: GPL-2.0
3  * sha3-ce-glue.c - core SHA-3 transform using v8.2 Crypto Extensions
26 MODULE_ALIAS_CRYPTO("sha3-224");
27 MODULE_ALIAS_CRYPTO("sha3-256");
28 MODULE_ALIAS_CRYPTO("sha3-384");
29 MODULE_ALIAS_CRYPTO("sha3-512");
38 	unsigned int digest_size = crypto_shash_digestsize(desc->tfm);  in sha3_update()
43 	if ((sctx->partial + len) >= sctx->rsiz) {  in sha3_update()
46 		if (sctx->partial) {  in sha3_update()
47 			int p = sctx->rsiz - sctx->partial;  in sha3_update()  local
49 			memcpy(sctx->buf + sctx->partial, data, p);  in sha3_update()
51 			sha3_ce_transform(sctx->st, sctx->buf, 1, digest_size);  in sha3_update()
54 			data += p;  in sha3_update()
55 			len -= p;  in sha3_update()
56 			sctx->partial = 0;  in sha3_update()
59 		blocks = len / sctx->rsiz;  in sha3_update()
60 		len %= sctx->rsiz;  in sha3_update()
66 			rem = sha3_ce_transform(sctx->st, data, blocks,  in sha3_update()
69 			data += (blocks - rem) * sctx->rsiz;  in sha3_update()
75 		memcpy(sctx->buf + sctx->partial, data, len);  in sha3_update()
76 		sctx->partial += len;  in sha3_update()
84 	unsigned int digest_size = crypto_shash_digestsize(desc->tfm);  in sha3_final()
91 	sctx->buf[sctx->partial++] = 0x06;  in sha3_final()
92 	memset(sctx->buf + sctx->partial, 0, sctx->rsiz - sctx->partial);  in sha3_final()
93 	sctx->buf[sctx->rsiz - 1] |= 0x80;  in sha3_final()
96 	sha3_ce_transform(sctx->st, sctx->buf, 1, digest_size);  in sha3_final()
100 		put_unaligned_le64(sctx->st[i], digest++);  in sha3_final()
103 		put_unaligned_le32(sctx->st[i], (__le32 *)digest);  in sha3_final()
115 	.base.cra_name		= "sha3-224",
116 	.base.cra_driver_name	= "sha3-224-ce",
126 	.base.cra_name		= "sha3-256",
127 	.base.cra_driver_name	= "sha3-256-ce",
137 	.base.cra_name		= "sha3-384",
138 	.base.cra_driver_name	= "sha3-384-ce",
148 	.base.cra_name		= "sha3-512",
149 	.base.cra_driver_name	= "sha3-512-ce",