lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sun,  5 Feb 2017 20:09:06 +0100
From:   Sven Schmidt <4sschmid@...ormatik.uni-hamburg.de>
To:     akpm@...ux-foundation.org
Cc:     bongkyu.kim@....com, rsalvaterra@...il.com,
        sergey.senozhatsky@...il.com, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
        davem@...emloft.net, linux-crypto@...r.kernel.org,
        anton@...msg.org, ccross@...roid.com, keescook@...omium.org,
        tony.luck@...el.com,
        Sven Schmidt <4sschmid@...ormatik.uni-hamburg.de>
Subject: [PATCH v7 3/5] crypto: Change LZ4 modules to work with new LZ4 module version

This patch updates the crypto modules using LZ4 compression as well as the
test cases in testmgr.h to work with the new LZ4 module version.

Signed-off-by: Sven Schmidt <4sschmid@...ormatik.uni-hamburg.de>
---
 crypto/lz4.c     |  23 ++++-----
 crypto/lz4hc.c   |  23 ++++-----
 crypto/testmgr.h | 142 +++++++++++++++++++++++++++++++++++++++----------------
 3 files changed, 120 insertions(+), 68 deletions(-)

diff --git a/crypto/lz4.c b/crypto/lz4.c
index 99c1b2c..71eff9b 100644
--- a/crypto/lz4.c
+++ b/crypto/lz4.c
@@ -66,15 +66,13 @@ static void lz4_exit(struct crypto_tfm *tfm)
 static int __lz4_compress_crypto(const u8 *src, unsigned int slen,
 				 u8 *dst, unsigned int *dlen, void *ctx)
 {
-	size_t tmp_len = *dlen;
-	int err;
+	int out_len = LZ4_compress_default(src, dst,
+		slen, *dlen, ctx);
 
-	err = lz4_compress(src, slen, dst, &tmp_len, ctx);
-
-	if (err < 0)
+	if (!out_len)
 		return -EINVAL;
 
-	*dlen = tmp_len;
+	*dlen = out_len;
 	return 0;
 }
 
@@ -96,16 +94,13 @@ static int lz4_compress_crypto(struct crypto_tfm *tfm, const u8 *src,
 static int __lz4_decompress_crypto(const u8 *src, unsigned int slen,
 				   u8 *dst, unsigned int *dlen, void *ctx)
 {
-	int err;
-	size_t tmp_len = *dlen;
-	size_t __slen = slen;
+	int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
 
-	err = lz4_decompress_unknownoutputsize(src, __slen, dst, &tmp_len);
-	if (err < 0)
-		return -EINVAL;
+	if (out_len < 0)
+		return out_len;
 
-	*dlen = tmp_len;
-	return err;
+	*dlen = out_len;
+	return 0;
 }
 
 static int lz4_sdecompress(struct crypto_scomp *tfm, const u8 *src,
diff --git a/crypto/lz4hc.c b/crypto/lz4hc.c
index 75ffc4a..03a34a8 100644
--- a/crypto/lz4hc.c
+++ b/crypto/lz4hc.c
@@ -65,15 +65,13 @@ static void lz4hc_exit(struct crypto_tfm *tfm)
 static int __lz4hc_compress_crypto(const u8 *src, unsigned int slen,
 				   u8 *dst, unsigned int *dlen, void *ctx)
 {
-	size_t tmp_len = *dlen;
-	int err;
+	int out_len = LZ4_compress_HC(src, dst, slen,
+		*dlen, LZ4HC_DEFAULT_CLEVEL, ctx);
 
-	err = lz4hc_compress(src, slen, dst, &tmp_len, ctx);
-
-	if (err < 0)
+	if (!out_len)
 		return -EINVAL;
 
-	*dlen = tmp_len;
+	*dlen = out_len;
 	return 0;
 }
 
@@ -97,16 +95,13 @@ static int lz4hc_compress_crypto(struct crypto_tfm *tfm, const u8 *src,
 static int __lz4hc_decompress_crypto(const u8 *src, unsigned int slen,
 				     u8 *dst, unsigned int *dlen, void *ctx)
 {
-	int err;
-	size_t tmp_len = *dlen;
-	size_t __slen = slen;
+	int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
 
-	err = lz4_decompress_unknownoutputsize(src, __slen, dst, &tmp_len);
-	if (err < 0)
-		return -EINVAL;
+	if (out_len < 0)
+		return out_len;
 
-	*dlen = tmp_len;
-	return err;
+	*dlen = out_len;
+	return 0;
 }
 
 static int lz4hc_sdecompress(struct crypto_scomp *tfm, const u8 *src,
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 9b656be..98d4be0 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -34498,31 +34498,62 @@ static struct hash_testvec bfin_crc_tv_template[] = {
 
 static struct comp_testvec lz4_comp_tv_template[] = {
 	{
-		.inlen	= 70,
-		.outlen	= 45,
-		.input	= "Join us now and share the software "
-			  "Join us now and share the software ",
-		.output = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75"
-			  "\x73\x20\x6e\x6f\x77\x20\x61\x6e"
-			  "\x64\x20\x73\x68\x61\x72\x65\x20"
-			  "\x74\x68\x65\x20\x73\x6f\x66\x74"
-			  "\x77\x0d\x00\x0f\x23\x00\x0b\x50"
-			  "\x77\x61\x72\x65\x20",
+		.inlen	= 255,
+		.outlen	= 218,
+		.input	= "LZ4 is lossless compression algorithm, providing"
+			 " compression speed at 400 MB/s per core, scalable "
+			 "with multi-cores CPU. It features an extremely fast "
+			 "decoder, with speed in multiple GB/s per core, "
+			 "typically reaching RAM speed limits on multi-core "
+			 "systems.",
+		.output	= "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
+			  "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
+			  "\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
+			  "\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
+			  "\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
+			  "\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
+			  "\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
+			  "\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
+			  "\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
+			  "\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
+			  "\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
+			  "\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
+			  "\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
+			  "\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
+			  "\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x83"
+			  "\x6c\x69\x6d\x69\x74\x73\x20\x6f\x3f\x00\x01\x85\x00"
+			  "\x90\x20\x73\x79\x73\x74\x65\x6d\x73\x2e",
+
 	},
 };
 
 static struct comp_testvec lz4_decomp_tv_template[] = {
 	{
-		.inlen	= 45,
-		.outlen	= 70,
-		.input  = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75"
-			  "\x73\x20\x6e\x6f\x77\x20\x61\x6e"
-			  "\x64\x20\x73\x68\x61\x72\x65\x20"
-			  "\x74\x68\x65\x20\x73\x6f\x66\x74"
-			  "\x77\x0d\x00\x0f\x23\x00\x0b\x50"
-			  "\x77\x61\x72\x65\x20",
-		.output	= "Join us now and share the software "
-			  "Join us now and share the software ",
+		.inlen	= 218,
+		.outlen	= 255,
+		.input	= "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
+			  "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
+			  "\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
+			  "\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
+			  "\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
+			  "\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
+			  "\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
+			  "\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
+			  "\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
+			  "\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
+			  "\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
+			  "\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
+			  "\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
+			  "\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
+			  "\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x83"
+			  "\x6c\x69\x6d\x69\x74\x73\x20\x6f\x3f\x00\x01\x85\x00"
+			  "\x90\x20\x73\x79\x73\x74\x65\x6d\x73\x2e",
+		.output	= "LZ4 is lossless compression algorithm, providing"
+			 " compression speed at 400 MB/s per core, scalable "
+			 "with multi-cores CPU. It features an extremely fast "
+			 "decoder, with speed in multiple GB/s per core, "
+			 "typically reaching RAM speed limits on multi-core "
+			 "systems.",
 	},
 };
 
@@ -34531,31 +34562,62 @@ static struct comp_testvec lz4_decomp_tv_template[] = {
 
 static struct comp_testvec lz4hc_comp_tv_template[] = {
 	{
-		.inlen	= 70,
-		.outlen	= 45,
-		.input	= "Join us now and share the software "
-			  "Join us now and share the software ",
-		.output = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75"
-			  "\x73\x20\x6e\x6f\x77\x20\x61\x6e"
-			  "\x64\x20\x73\x68\x61\x72\x65\x20"
-			  "\x74\x68\x65\x20\x73\x6f\x66\x74"
-			  "\x77\x0d\x00\x0f\x23\x00\x0b\x50"
-			  "\x77\x61\x72\x65\x20",
+		.inlen	= 255,
+		.outlen	= 216,
+		.input	= "LZ4 is lossless compression algorithm, providing"
+			 " compression speed at 400 MB/s per core, scalable "
+			 "with multi-cores CPU. It features an extremely fast "
+			 "decoder, with speed in multiple GB/s per core, "
+			 "typically reaching RAM speed limits on multi-core "
+			 "systems.",
+		.output = "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
+			  "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
+			  "\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
+			  "\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
+			  "\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
+			  "\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
+			  "\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
+			  "\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
+			  "\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
+			  "\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
+			  "\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
+			  "\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
+			  "\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
+			  "\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
+			  "\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x97"
+			  "\x6c\x69\x6d\x69\x74\x73\x20\x6f\x6e\x85\x00\x90\x20"
+			  "\x73\x79\x73\x74\x65\x6d\x73\x2e",
+
 	},
 };
 
 static struct comp_testvec lz4hc_decomp_tv_template[] = {
 	{
-		.inlen	= 45,
-		.outlen	= 70,
-		.input  = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75"
-			  "\x73\x20\x6e\x6f\x77\x20\x61\x6e"
-			  "\x64\x20\x73\x68\x61\x72\x65\x20"
-			  "\x74\x68\x65\x20\x73\x6f\x66\x74"
-			  "\x77\x0d\x00\x0f\x23\x00\x0b\x50"
-			  "\x77\x61\x72\x65\x20",
-		.output	= "Join us now and share the software "
-			  "Join us now and share the software ",
+		.inlen	= 216,
+		.outlen	= 255,
+		.input	= "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
+			  "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
+			  "\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
+			  "\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
+			  "\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
+			  "\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
+			  "\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
+			  "\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
+			  "\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
+			  "\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
+			  "\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
+			  "\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
+			  "\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
+			  "\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
+			  "\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x97"
+			  "\x6c\x69\x6d\x69\x74\x73\x20\x6f\x6e\x85\x00\x90\x20"
+			  "\x73\x79\x73\x74\x65\x6d\x73\x2e",
+		.output	= "LZ4 is lossless compression algorithm, providing"
+			 " compression speed at 400 MB/s per core, scalable "
+			 "with multi-cores CPU. It features an extremely fast "
+			 "decoder, with speed in multiple GB/s per core, "
+			 "typically reaching RAM speed limits on multi-core "
+			 "systems.",
 	},
 };
 
-- 
2.1.4

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ