1 files changed, 0 insertions, 143 deletions
diff --git a/ANDROID_3.4.5/security/integrity/ima/ima_crypto.c b/ANDROID_3.4.5/security/integrity/ima/ima_crypto.c
deleted file mode 100644
index 9b3ade74..00000000
--- a/ANDROID_3.4.5/security/integrity/ima/ima_crypto.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (C) 2005,2006,2007,2008 IBM Corporation
- *
- * Authors:
- * Mimi Zohar <zohar@us.ibm.com>
- * Kylene Hall <kjhall@us.ibm.com>
- *
- * 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, version 2 of the License.
- *
- * File: ima_crypto.c
- * 	Calculates md5/sha1 file hash, template hash, boot-aggreate hash
- */
-
-#include <linux/kernel.h>
-#include <linux/file.h>
-#include <linux/crypto.h>
-#include <linux/scatterlist.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include "ima.h"
-
-static int init_desc(struct hash_desc *desc)
-{
-	int rc;
-
-	desc->tfm = crypto_alloc_hash(ima_hash, 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(desc->tfm)) {
-		pr_info("IMA: failed to load %s transform: %ld\n",
-			ima_hash, PTR_ERR(desc->tfm));
-		rc = PTR_ERR(desc->tfm);
-		return rc;
-	}
-	desc->flags = 0;
-	rc = crypto_hash_init(desc);
-	if (rc)
-		crypto_free_hash(desc->tfm);
-	return rc;
-}
-
-/*
- * Calculate the MD5/SHA1 file digest
- */
-int ima_calc_hash(struct file *file, char *digest)
-{
-	struct hash_desc desc;
-	struct scatterlist sg[1];
-	loff_t i_size, offset = 0;
-	char *rbuf;
-	int rc;
-
-	rc = init_desc(&desc);
-	if (rc != 0)
-		return rc;
-
-	rbuf = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!rbuf) {
-		rc = -ENOMEM;
-		goto out;
-	}
-	i_size = i_size_read(file->f_dentry->d_inode);
-	while (offset < i_size) {
-		int rbuf_len;
-
-		rbuf_len = kernel_read(file, offset, rbuf, PAGE_SIZE);
-		if (rbuf_len < 0) {
-			rc = rbuf_len;
-			break;
-		}
-		if (rbuf_len == 0)
-			break;
-		offset += rbuf_len;
-		sg_init_one(sg, rbuf, rbuf_len);
-
-		rc = crypto_hash_update(&desc, sg, rbuf_len);
-		if (rc)
-			break;
-	}
-	kfree(rbuf);
-	if (!rc)
-		rc = crypto_hash_final(&desc, digest);
-out:
-	crypto_free_hash(desc.tfm);
-	return rc;
-}
-
-/*
- * Calculate the hash of a given template
- */
-int ima_calc_template_hash(int template_len, void *template, char *digest)
-{
-	struct hash_desc desc;
-	struct scatterlist sg[1];
-	int rc;
-
-	rc = init_desc(&desc);
-	if (rc != 0)
-		return rc;
-
-	sg_init_one(sg, template, template_len);
-	rc = crypto_hash_update(&desc, sg, template_len);
-	if (!rc)
-		rc = crypto_hash_final(&desc, digest);
-	crypto_free_hash(desc.tfm);
-	return rc;
-}
-
-static void __init ima_pcrread(int idx, u8 *pcr)
-{
-	if (!ima_used_chip)
-		return;
-
-	if (tpm_pcr_read(TPM_ANY_NUM, idx, pcr) != 0)
-		pr_err("IMA: Error Communicating to TPM chip\n");
-}
-
-/*
- * Calculate the boot aggregate hash
- */
-int __init ima_calc_boot_aggregate(char *digest)
-{
-	struct hash_desc desc;
-	struct scatterlist sg;
-	u8 pcr_i[IMA_DIGEST_SIZE];
-	int rc, i;
-
-	rc = init_desc(&desc);
-	if (rc != 0)
-		return rc;
-
-	/* cumulative sha1 over tpm registers 0-7 */
-	for (i = TPM_PCR0; i < TPM_PCR8; i++) {
-		ima_pcrread(i, pcr_i);
-		/* now accumulate with current aggregate */
-		sg_init_one(&sg, pcr_i, IMA_DIGEST_SIZE);
-		rc = crypto_hash_update(&desc, &sg, IMA_DIGEST_SIZE);
-	}
-	if (!rc)
-		crypto_hash_final(&desc, digest);
-	crypto_free_hash(desc.tfm);
-	return rc;
-}