1 // SPDX-License-Identifier: GPL-2.0-only
6  * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
34 	if ((sctx->count[0] += len) < len)  in __sha512_sparc64_update()
35 		sctx->count[1]++;  in __sha512_sparc64_update()
37 		done = SHA512_BLOCK_SIZE - partial;  in __sha512_sparc64_update()
38 		memcpy(sctx->buf + partial, data, done);  in __sha512_sparc64_update()
39 		sha512_sparc64_transform(sctx->state, sctx->buf, 1);  in __sha512_sparc64_update()
41 	if (len - done >= SHA512_BLOCK_SIZE) {  in __sha512_sparc64_update()
42 		const unsigned int rounds = (len - done) / SHA512_BLOCK_SIZE;  in __sha512_sparc64_update()
44 		sha512_sparc64_transform(sctx->state, data + done, rounds);  in __sha512_sparc64_update()
48 	memcpy(sctx->buf, data + done, len - done);  in __sha512_sparc64_update()
55 	unsigned int partial = sctx->count[0] % SHA512_BLOCK_SIZE;  in sha512_sparc64_update()
59 		if ((sctx->count[0] += len) < len)  in sha512_sparc64_update()
60 			sctx->count[1]++;  in sha512_sparc64_update()
61 		memcpy(sctx->buf + partial, data, len);  in sha512_sparc64_update()
77 	bits[1] = cpu_to_be64(sctx->count[0] << 3);  in sha512_sparc64_final()
78 	bits[0] = cpu_to_be64(sctx->count[1] << 3 | sctx->count[0] >> 61);  in sha512_sparc64_final()
81 	index = sctx->count[0] % SHA512_BLOCK_SIZE;  in sha512_sparc64_final()
82 	padlen = (index < 112) ? (112 - index) : ((SHA512_BLOCK_SIZE+112) - index);  in sha512_sparc64_final()
86 		if ((sctx->count[0] += padlen) < padlen)  in sha512_sparc64_final()
87 			sctx->count[1]++;  in sha512_sparc64_final()
88 		memcpy(sctx->buf + index, padding, padlen);  in sha512_sparc64_final()
96 		dst[i] = cpu_to_be64(sctx->state[i]);  in sha512_sparc64_final()
124 		.cra_driver_name=	"sha512-sparc64",
139 		.cra_driver_name=	"sha384-sparc64",
173 		pr_info("Using sparc64 sha512 opcode optimized SHA-512/SHA-384 implementation\n");  in sha512_sparc64_mod_init()
177 	return -ENODEV;  in sha512_sparc64_mod_init()
190 MODULE_DESCRIPTION("SHA-384 and SHA-512 Secure Hash Algorithm, sparc64 sha512 opcode accelerated");