1 files changed, 0 insertions, 124 deletions
diff --git a/arch/s390/crypto/sha_common.c b/arch/s390/crypto/sha_common.c
deleted file mode 100644
index 686fe7aa192f..000000000000
--- a/arch/s390/crypto/sha_common.c
+++ /dev/null
@@ -1,124 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Cryptographic API.
- *
- * s390 generic implementation of the SHA Secure Hash Algorithms.
- *
- * Copyright IBM Corp. 2007
- * Author(s): Jan Glauber (jang@de.ibm.com)
- */
-
-#include <crypto/internal/hash.h>
-#include <linux/module.h>
-#include <asm/cpacf.h>
-#include "sha.h"
-
-int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len)
-{
-	struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
-	unsigned int bsize = crypto_shash_blocksize(desc->tfm);
-	unsigned int index, n;
-
-	/* how much is already in the buffer? */
-	index = ctx->count % bsize;
-	ctx->count += len;
-
-	if ((index + len) < bsize)
-		goto store;
-
-	/* process one stored block */
-	if (index) {
-		memcpy(ctx->buf + index, data, bsize - index);
-		cpacf_kimd(ctx->func, ctx->state, ctx->buf, bsize);
-		data += bsize - index;
-		len -= bsize - index;
-		index = 0;
-	}
-
-	/* process as many blocks as possible */
-	if (len >= bsize) {
-		n = (len / bsize) * bsize;
-		cpacf_kimd(ctx->func, ctx->state, data, n);
-		data += n;
-		len -= n;
-	}
-store:
-	if (len)
-		memcpy(ctx->buf + index , data, len);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(s390_sha_update);
-
-static int s390_crypto_shash_parmsize(int func)
-{
-	switch (func) {
-	case CPACF_KLMD_SHA_1:
-		return 20;
-	case CPACF_KLMD_SHA_256:
-		return 32;
-	case CPACF_KLMD_SHA_512:
-		return 64;
-	case CPACF_KLMD_SHA3_224:
-	case CPACF_KLMD_SHA3_256:
-	case CPACF_KLMD_SHA3_384:
-	case CPACF_KLMD_SHA3_512:
-		return 200;
-	default:
-		return -EINVAL;
-	}
-}
-
-int s390_sha_final(struct shash_desc *desc, u8 *out)
-{
-	struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
-	unsigned int bsize = crypto_shash_blocksize(desc->tfm);
-	u64 bits;
-	unsigned int n;
-	int mbl_offset;
-
-	n = ctx->count % bsize;
-	bits = ctx->count * 8;
-	mbl_offset = s390_crypto_shash_parmsize(ctx->func);
-	if (mbl_offset < 0)
-		return -EINVAL;
-
-	mbl_offset = mbl_offset / sizeof(u32);
-
-	/* set total msg bit length (mbl) in CPACF parmblock */
-	switch (ctx->func) {
-	case CPACF_KLMD_SHA_1:
-	case CPACF_KLMD_SHA_256:
-		memcpy(ctx->state + mbl_offset, &bits, sizeof(bits));
-		break;
-	case CPACF_KLMD_SHA_512:
-		/*
-		 * the SHA512 parmblock has a 128-bit mbl field, clear
-		 * high-order u64 field, copy bits to low-order u64 field
-		 */
-		memset(ctx->state + mbl_offset, 0x00, sizeof(bits));
-		mbl_offset += sizeof(u64) / sizeof(u32);
-		memcpy(ctx->state + mbl_offset, &bits, sizeof(bits));
-		break;
-	case CPACF_KLMD_SHA3_224:
-	case CPACF_KLMD_SHA3_256:
-	case CPACF_KLMD_SHA3_384:
-	case CPACF_KLMD_SHA3_512:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	cpacf_klmd(ctx->func, ctx->state, ctx->buf, n);
-
-	/* copy digest to out */
-	memcpy(out, ctx->state, crypto_shash_digestsize(desc->tfm));
-	/* wipe context */
-	memset(ctx, 0, sizeof *ctx);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(s390_sha_final);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("s390 SHA cipher common functions");