cavium-octeon/crypto/octeon-sha256.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * SHA-224 and SHA-256 Secure Hash Algorithm.
11  * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
27 #include "octeon-crypto.h"
30  * We pass everything as 64-bit. OCTEON can handle misaligned data.
35 	u64 *hash = (u64 *)sctx->state;  in octeon_sha256_store_hash()
45 	u64 *hash = (u64 *)sctx->state;  in octeon_sha256_read_hash()
74 	partial = sctx->count % SHA256_BLOCK_SIZE;  in __octeon_sha256_update()
75 	sctx->count += len;  in __octeon_sha256_update()
81 			done = -partial;  in __octeon_sha256_update()
82 			memcpy(sctx->buf + partial, data,  in __octeon_sha256_update()
84 			src = sctx->buf;  in __octeon_sha256_update()
95 	memcpy(sctx->buf + partial, src, len - done);  in __octeon_sha256_update()
110 	if ((sctx->count % SHA256_BLOCK_SIZE) + len < SHA256_BLOCK_SIZE)  in octeon_sha256_update()
137 	bits = cpu_to_be64(sctx->count << 3);  in octeon_sha256_final()
140 	index = sctx->count & 0x3f;  in octeon_sha256_final()
141 	pad_len = (index < 56) ? (56 - index) : ((64+56) - index);  in octeon_sha256_final()
156 		dst[i] = cpu_to_be32(sctx->state[i]);  in octeon_sha256_final()
203 		.cra_driver_name=	"octeon-sha256",
216 		.cra_driver_name=	"octeon-sha224",
225 		return -ENOTSUPP;  in octeon_sha256_mod_init()
240 MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm (OCTEON)");