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Diffstat (limited to 'arch/s390/crypto/sha512_s390.c')
-rw-r--r--arch/s390/crypto/sha512_s390.c154
1 files changed, 0 insertions, 154 deletions
diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c
deleted file mode 100644
index 6cbbf5e8555f..000000000000
--- a/arch/s390/crypto/sha512_s390.c
+++ /dev/null
@@ -1,154 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Cryptographic API.
- *
- * s390 implementation of the SHA512 and SHA38 Secure Hash Algorithm.
- *
- * Copyright IBM Corp. 2007
- * Author(s): Jan Glauber (jang@de.ibm.com)
- */
-#include <asm/cpacf.h>
-#include <crypto/internal/hash.h>
-#include <crypto/sha2.h>
-#include <linux/cpufeature.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include "sha.h"
-
-static int sha512_init(struct shash_desc *desc)
-{
- struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
-
- ctx->sha512.state[0] = SHA512_H0;
- ctx->sha512.state[1] = SHA512_H1;
- ctx->sha512.state[2] = SHA512_H2;
- ctx->sha512.state[3] = SHA512_H3;
- ctx->sha512.state[4] = SHA512_H4;
- ctx->sha512.state[5] = SHA512_H5;
- ctx->sha512.state[6] = SHA512_H6;
- ctx->sha512.state[7] = SHA512_H7;
- ctx->count = 0;
- ctx->sha512.count_hi = 0;
- ctx->func = CPACF_KIMD_SHA_512;
- ctx->first_message_part = 0;
-
- return 0;
-}
-
-static int sha512_export(struct shash_desc *desc, void *out)
-{
- struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
- struct sha512_state *octx = out;
-
- octx->count[0] = sctx->count;
- octx->count[1] = sctx->sha512.count_hi;
- memcpy(octx->state, sctx->state, sizeof(octx->state));
- return 0;
-}
-
-static int sha512_import(struct shash_desc *desc, const void *in)
-{
- struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
- const struct sha512_state *ictx = in;
-
- sctx->count = ictx->count[0];
- sctx->sha512.count_hi = ictx->count[1];
-
- memcpy(sctx->state, ictx->state, sizeof(ictx->state));
- sctx->func = CPACF_KIMD_SHA_512;
- sctx->first_message_part = 0;
- return 0;
-}
-
-static struct shash_alg sha512_alg = {
- .digestsize = SHA512_DIGEST_SIZE,
- .init = sha512_init,
- .update = s390_sha_update_blocks,
- .finup = s390_sha_finup,
- .export = sha512_export,
- .import = sha512_import,
- .descsize = sizeof(struct s390_sha_ctx),
- .statesize = SHA512_STATE_SIZE,
- .base = {
- .cra_name = "sha512",
- .cra_driver_name= "sha512-s390",
- .cra_priority = 300,
- .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
- CRYPTO_AHASH_ALG_FINUP_MAX,
- .cra_blocksize = SHA512_BLOCK_SIZE,
- .cra_module = THIS_MODULE,
- }
-};
-
-MODULE_ALIAS_CRYPTO("sha512");
-
-static int sha384_init(struct shash_desc *desc)
-{
- struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
-
- ctx->sha512.state[0] = SHA384_H0;
- ctx->sha512.state[1] = SHA384_H1;
- ctx->sha512.state[2] = SHA384_H2;
- ctx->sha512.state[3] = SHA384_H3;
- ctx->sha512.state[4] = SHA384_H4;
- ctx->sha512.state[5] = SHA384_H5;
- ctx->sha512.state[6] = SHA384_H6;
- ctx->sha512.state[7] = SHA384_H7;
- ctx->count = 0;
- ctx->sha512.count_hi = 0;
- ctx->func = CPACF_KIMD_SHA_512;
- ctx->first_message_part = 0;
-
- return 0;
-}
-
-static struct shash_alg sha384_alg = {
- .digestsize = SHA384_DIGEST_SIZE,
- .init = sha384_init,
- .update = s390_sha_update_blocks,
- .finup = s390_sha_finup,
- .export = sha512_export,
- .import = sha512_import,
- .descsize = sizeof(struct s390_sha_ctx),
- .statesize = SHA512_STATE_SIZE,
- .base = {
- .cra_name = "sha384",
- .cra_driver_name= "sha384-s390",
- .cra_priority = 300,
- .cra_blocksize = SHA384_BLOCK_SIZE,
- .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY |
- CRYPTO_AHASH_ALG_FINUP_MAX,
- .cra_ctxsize = sizeof(struct s390_sha_ctx),
- .cra_module = THIS_MODULE,
- }
-};
-
-MODULE_ALIAS_CRYPTO("sha384");
-
-static int __init init(void)
-{
- int ret;
-
- if (!cpacf_query_func(CPACF_KIMD, CPACF_KIMD_SHA_512))
- return -ENODEV;
- if ((ret = crypto_register_shash(&sha512_alg)) < 0)
- goto out;
- if ((ret = crypto_register_shash(&sha384_alg)) < 0)
- crypto_unregister_shash(&sha512_alg);
-out:
- return ret;
-}
-
-static void __exit fini(void)
-{
- crypto_unregister_shash(&sha512_alg);
- crypto_unregister_shash(&sha384_alg);
-}
-
-module_cpu_feature_match(S390_CPU_FEATURE_MSA, init);
-module_exit(fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA512 and SHA-384 Secure Hash Algorithm");