1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Crypto API support for SHA-384, SHA-512, HMAC-SHA384, and HMAC-SHA512
5  * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
18  * library SHA context, except the value in bytecount_lo must be block-aligned
33 	u8 *p = out;  in __crypto_sha512_export()  local
36 	ctx.bytecount_lo -= partial;  in __crypto_sha512_export()
37 	memcpy(p, &ctx, sizeof(ctx));  in __crypto_sha512_export()
38 	p += sizeof(ctx);  in __crypto_sha512_export()
39 	*p = partial;  in __crypto_sha512_export()
45 	const u8 *p = in;  in __crypto_sha512_import()  local
47 	memcpy(ctx, p, sizeof(*ctx));  in __crypto_sha512_import()
48 	p += sizeof(*ctx);  in __crypto_sha512_import()
49 	ctx->bytecount_lo += *p;  in __crypto_sha512_import()
66 /* SHA-384 */
108 	return __crypto_sha512_export(&SHA384_CTX(desc)->ctx, out);  in crypto_sha384_export()
113 	return __crypto_sha512_import(&SHA384_CTX(desc)->ctx, in);  in crypto_sha384_import()
118 	return __crypto_sha512_export_core(&SHA384_CTX(desc)->ctx, out);  in crypto_sha384_export_core()
123 	return __crypto_sha512_import_core(&SHA384_CTX(desc)->ctx, in);  in crypto_sha384_import_core()
126 /* SHA-512 */
170 	return __crypto_sha512_export(&SHA512_CTX(desc)->ctx, out);  in crypto_sha512_export()
175 	return __crypto_sha512_import(&SHA512_CTX(desc)->ctx, in);  in crypto_sha512_import()
180 	return __crypto_sha512_export_core(&SHA512_CTX(desc)->ctx, out);  in crypto_sha512_export_core()
185 	return __crypto_sha512_import_core(&SHA512_CTX(desc)->ctx, in);  in crypto_sha512_import_core()
188 /* HMAC-SHA384 */
202 	hmac_sha384_init(HMAC_SHA384_CTX(desc), HMAC_SHA384_KEY(desc->tfm));  in crypto_hmac_sha384_init()
223 	hmac_sha384(HMAC_SHA384_KEY(desc->tfm), data, len, out);  in crypto_hmac_sha384_digest()
229 	return __crypto_sha512_export(&HMAC_SHA384_CTX(desc)->ctx.sha_ctx, out);  in crypto_hmac_sha384_export()
236 	ctx->ctx.ostate = HMAC_SHA384_KEY(desc->tfm)->key.ostate;  in crypto_hmac_sha384_import()
237 	return __crypto_sha512_import(&ctx->ctx.sha_ctx, in);  in crypto_hmac_sha384_import()
242 	return __crypto_sha512_export_core(&HMAC_SHA384_CTX(desc)->ctx.sha_ctx,  in crypto_hmac_sha384_export_core()
251 	ctx->ctx.ostate = HMAC_SHA384_KEY(desc->tfm)->key.ostate;  in crypto_hmac_sha384_import_core()
252 	return __crypto_sha512_import_core(&ctx->ctx.sha_ctx, in);  in crypto_hmac_sha384_import_core()
255 /* HMAC-SHA512 */
269 	hmac_sha512_init(HMAC_SHA512_CTX(desc), HMAC_SHA512_KEY(desc->tfm));  in crypto_hmac_sha512_init()
290 	hmac_sha512(HMAC_SHA512_KEY(desc->tfm), data, len, out);  in crypto_hmac_sha512_digest()
296 	return __crypto_sha512_export(&HMAC_SHA512_CTX(desc)->ctx.sha_ctx, out);  in crypto_hmac_sha512_export()
303 	ctx->ctx.ostate = HMAC_SHA512_KEY(desc->tfm)->key.ostate;  in crypto_hmac_sha512_import()
304 	return __crypto_sha512_import(&ctx->ctx.sha_ctx, in);  in crypto_hmac_sha512_import()
309 	return __crypto_sha512_export_core(&HMAC_SHA512_CTX(desc)->ctx.sha_ctx,  in crypto_hmac_sha512_export_core()
318 	ctx->ctx.ostate = HMAC_SHA512_KEY(desc->tfm)->key.ostate;  in crypto_hmac_sha512_import_core()
319 	return __crypto_sha512_import_core(&ctx->ctx.sha_ctx, in);  in crypto_hmac_sha512_import_core()
327 		.base.cra_driver_name	= "sha384-lib",
345 		.base.cra_driver_name	= "sha512-lib",
363 		.base.cra_driver_name	= "hmac-sha384-lib",
383 		.base.cra_driver_name	= "hmac-sha512-lib",
416 MODULE_DESCRIPTION("Crypto API support for SHA-384, SHA-512, HMAC-SHA384, and HMAC-SHA512");
419 MODULE_ALIAS_CRYPTO("sha384-lib");
421 MODULE_ALIAS_CRYPTO("sha512-lib");
423 MODULE_ALIAS_CRYPTO("hmac-sha384-lib");
425 MODULE_ALIAS_CRYPTO("hmac-sha512-lib");