1 files changed, 0 insertions, 162 deletions

diff --git a/ANDROID_3.4.5/arch/s390/crypto/ghash_s390.c b/ANDROID_3.4.5/arch/s390/crypto/ghash_s390.c
deleted file mode 100644
index b1bd170f..00000000
--- a/ANDROID_3.4.5/arch/s390/crypto/ghash_s390.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Cryptographic API.
- *
- * s390 implementation of the GHASH algorithm for GCM (Galois/Counter Mode).
- *
- * Copyright IBM Corp. 2011
- * Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com>
- */
-
-#include <crypto/internal/hash.h>
-#include <linux/module.h>
-
-#include "crypt_s390.h"
-
-#define GHASH_BLOCK_SIZE	16
-#define GHASH_DIGEST_SIZE	16
-
-struct ghash_ctx {
-	u8 icv[16];
-	u8 key[16];
-};
-
-struct ghash_desc_ctx {
-	u8 buffer[GHASH_BLOCK_SIZE];
-	u32 bytes;
-};
-
-static int ghash_init(struct shash_desc *desc)
-{
-	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
-
-	memset(dctx, 0, sizeof(*dctx));
-
-	return 0;
-}
-
-static int ghash_setkey(struct crypto_shash *tfm,
-			const u8 *key, unsigned int keylen)
-{
-	struct ghash_ctx *ctx = crypto_shash_ctx(tfm);
-
-	if (keylen != GHASH_BLOCK_SIZE) {
-		crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
-		return -EINVAL;
-	}
-
-	memcpy(ctx->key, key, GHASH_BLOCK_SIZE);
-	memset(ctx->icv, 0, GHASH_BLOCK_SIZE);
-
-	return 0;
-}
-
-static int ghash_update(struct shash_desc *desc,
-			 const u8 *src, unsigned int srclen)
-{
-	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
-	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
-	unsigned int n;
-	u8 *buf = dctx->buffer;
-	int ret;
-
-	if (dctx->bytes) {
-		u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes);
-
-		n = min(srclen, dctx->bytes);
-		dctx->bytes -= n;
-		srclen -= n;
-
-		memcpy(pos, src, n);
-		src += n;
-
-		if (!dctx->bytes) {
-			ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf,
-					      GHASH_BLOCK_SIZE);
-			BUG_ON(ret != GHASH_BLOCK_SIZE);
-		}
-	}
-
-	n = srclen & ~(GHASH_BLOCK_SIZE - 1);
-	if (n) {
-		ret = crypt_s390_kimd(KIMD_GHASH, ctx, src, n);
-		BUG_ON(ret != n);
-		src += n;
-		srclen -= n;
-	}
-
-	if (srclen) {
-		dctx->bytes = GHASH_BLOCK_SIZE - srclen;
-		memcpy(buf, src, srclen);
-	}
-
-	return 0;
-}
-
-static void ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx)
-{
-	u8 *buf = dctx->buffer;
-	int ret;
-
-	if (dctx->bytes) {
-		u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes);
-
-		memset(pos, 0, dctx->bytes);
-
-		ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf, GHASH_BLOCK_SIZE);
-		BUG_ON(ret != GHASH_BLOCK_SIZE);
-	}
-
-	dctx->bytes = 0;
-}
-
-static int ghash_final(struct shash_desc *desc, u8 *dst)
-{
-	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
-	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
-
-	ghash_flush(ctx, dctx);
-	memcpy(dst, ctx->icv, GHASH_BLOCK_SIZE);
-
-	return 0;
-}
-
-static struct shash_alg ghash_alg = {
-	.digestsize	= GHASH_DIGEST_SIZE,
-	.init		= ghash_init,
-	.update		= ghash_update,
-	.final		= ghash_final,
-	.setkey		= ghash_setkey,
-	.descsize	= sizeof(struct ghash_desc_ctx),
-	.base		= {
-		.cra_name		= "ghash",
-		.cra_driver_name	= "ghash-s390",
-		.cra_priority		= CRYPT_S390_PRIORITY,
-		.cra_flags		= CRYPTO_ALG_TYPE_SHASH,
-		.cra_blocksize		= GHASH_BLOCK_SIZE,
-		.cra_ctxsize		= sizeof(struct ghash_ctx),
-		.cra_module		= THIS_MODULE,
-		.cra_list		= LIST_HEAD_INIT(ghash_alg.base.cra_list),
-	},
-};
-
-static int __init ghash_mod_init(void)
-{
-	if (!crypt_s390_func_available(KIMD_GHASH,
-				       CRYPT_S390_MSA | CRYPT_S390_MSA4))
-		return -EOPNOTSUPP;
-
-	return crypto_register_shash(&ghash_alg);
-}
-
-static void __exit ghash_mod_exit(void)
-{
-	crypto_unregister_shash(&ghash_alg);
-}
-
-module_init(ghash_mod_init);
-module_exit(ghash_mod_exit);
-
-MODULE_ALIAS("ghash");
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("GHASH Message Digest Algorithm, s390 implementation");