Release 4.14 arch/s390/crypto/sha1_s390.c
/*
* Cryptographic API.
*
* s390 implementation of the SHA1 Secure Hash Algorithm.
*
* Derived from cryptoapi implementation, adapted for in-place
* scatterlist interface. Originally based on the public domain
* implementation written by Steve Reid.
*
* s390 Version:
* Copyright IBM Corp. 2003, 2007
* Author(s): Thomas Spatzier
* Jan Glauber (jan.glauber@de.ibm.com)
*
* Derived from "crypto/sha1_generic.c"
* Copyright (c) Alan Smithee.
* Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
* Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/cpufeature.h>
#include <crypto/sha.h>
#include <asm/cpacf.h>
#include "sha.h"
static int sha1_init(struct shash_desc *desc)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA1_H0;
sctx->state[1] = SHA1_H1;
sctx->state[2] = SHA1_H2;
sctx->state[3] = SHA1_H3;
sctx->state[4] = SHA1_H4;
sctx->count = 0;
sctx->func = CPACF_KIMD_SHA_1;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jan Glauber | 47 | 58.02% | 4 | 44.44% |
| Herbert Xu | 21 | 25.93% | 3 | 33.33% |
| Andrew Morton | 12 | 14.81% | 1 | 11.11% |
| Martin Schwidefsky | 1 | 1.23% | 1 | 11.11% |
| Total | 81 | 100.00% | 9 | 100.00% |
static int sha1_export(struct shash_desc *desc, void *out)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
struct sha1_state *octx = out;
octx->count = sctx->count;
memcpy(octx->state, sctx->state, sizeof(octx->state));
memcpy(octx->buffer, sctx->buf, sizeof(octx->buffer));
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Herbert Xu | 79 | 100.00% | 1 | 100.00% |
| Total | 79 | 100.00% | 1 | 100.00% |
static int sha1_import(struct shash_desc *desc, const void *in)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
const struct sha1_state *ictx = in;
sctx->count = ictx->count;
memcpy(sctx->state, ictx->state, sizeof(ictx->state));
memcpy(sctx->buf, ictx->buffer, sizeof(ictx->buffer));
sctx->func = CPACF_KIMD_SHA_1;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Herbert Xu | 83 | 95.40% | 1 | 25.00% |
| Jan Glauber | 2 | 2.30% | 1 | 25.00% |
| Martin Schwidefsky | 1 | 1.15% | 1 | 25.00% |
| Sachin P. Sant | 1 | 1.15% | 1 | 25.00% |
| Total | 87 | 100.00% | 4 | 100.00% |
static struct shash_alg alg = {
.digestsize = SHA1_DIGEST_SIZE,
.init = sha1_init,
.update = s390_sha_update,
.final = s390_sha_final,
.export = sha1_export,
.import = sha1_import,
.descsize = sizeof(struct s390_sha_ctx),
.statesize = sizeof(struct sha1_state),
.base = {
.cra_name = "sha1",
.cra_driver_name= "sha1-s390",
.cra_priority = 300,
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
};
static int __init sha1_s390_init(void)
{
if (!cpacf_query_func(CPACF_KIMD, CPACF_KIMD_SHA_1))
return -EOPNOTSUPP;
return crypto_register_shash(&alg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Morton | 17 | 56.67% | 1 | 14.29% |
| Jan Glauber | 8 | 26.67% | 2 | 28.57% |
| Martin Schwidefsky | 3 | 10.00% | 2 | 28.57% |
| Herbert Xu | 1 | 3.33% | 1 | 14.29% |
| Heiko Carstens | 1 | 3.33% | 1 | 14.29% |
| Total | 30 | 100.00% | 7 | 100.00% |
static void __exit sha1_s390_fini(void)
{
crypto_unregister_shash(&alg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Morton | 13 | 86.67% | 1 | 33.33% |
| Heiko Carstens | 1 | 6.67% | 1 | 33.33% |
| Herbert Xu | 1 | 6.67% | 1 | 33.33% |
| Total | 15 | 100.00% | 3 | 100.00% |
module_cpu_feature_match(MSA, sha1_s390_init);
module_exit(sha1_s390_fini);
MODULE_ALIAS_CRYPTO("sha1");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Herbert Xu | 238 | 55.22% | 5 | 26.32% |
| Andrew Morton | 109 | 25.29% | 1 | 5.26% |
| Jan Glauber | 64 | 14.85% | 6 | 31.58% |
| Martin Schwidefsky | 7 | 1.62% | 2 | 10.53% |
| Hendrik Brueckner | 6 | 1.39% | 1 | 5.26% |
| Heiko Carstens | 5 | 1.16% | 2 | 10.53% |
| Sachin P. Sant | 1 | 0.23% | 1 | 5.26% |
| Kees Cook | 1 | 0.23% | 1 | 5.26% |
| Total | 431 | 100.00% | 19 | 100.00% |
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