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crypto: scomp - add support for deflate rfc1950 (zlib)

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Add scomp backend for zlib-deflate compression algorithm.
This backend outputs data using the format defined in rfc1950
(raw deflate surrounded by zlib header and footer).

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Giovanni Cabiddu 2017-04-21 21:54:30 +01:00 • committed by Herbert Xu
parent 3de4f5e1a5
commit a368f43d6e
3 changed files with 129 additions and 17 deletions
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75
crypto/testmgr.h
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@ -33204,6 +33204,81 @@ static const struct comp_testvec deflate_decomp_tv_template[] = {
},
};
static const struct comp_testvec zlib_deflate_comp_tv_template[] = {
{
.inlen = 70,
.outlen = 44,
.input = "Join us now and share the software "
"Join us now and share the software ",
.output = "\x78\x5e\xf3\xca\xcf\xcc\x53\x28"
"\x2d\x56\xc8\xcb\x2f\x57\x48\xcc"
"\x4b\x51\x28\xce\x48\x2c\x4a\x55"
"\x28\xc9\x48\x55\x28\xce\x4f\x2b"
"\x29\x07\x71\xbc\x08\x2b\x01\x00"
"\x7c\x65\x19\x3d",
}, {
.inlen = 191,
.outlen = 129,
.input = "This document describes a compression method based on the DEFLATE"
"compression algorithm. This document defines the application of "
"the DEFLATE algorithm to the IP Payload Compression Protocol.",
.output = "\x78\x5e\x5d\xce\x41\x0a\xc3\x30"
"\x0c\x04\xc0\xaf\xec\x0b\xf2\x87"
"\xd2\xa6\x50\xe8\xc1\x07\x7f\x40"
"\xb1\x95\x5a\x60\x5b\xc6\x56\x0f"
"\xfd\x7d\x93\x1e\x42\xe8\x51\xec"
"\xee\x20\x9f\x64\x20\x6a\x78\x17"
"\xae\x86\xc8\x23\x74\x59\x78\x80"
"\x10\xb4\xb4\xce\x63\x88\x56\x14"
"\xb6\xa4\x11\x0b\x0d\x8e\xd8\x6e"
"\x4b\x8c\xdb\x7c\x7f\x5e\xfc\x7c"
"\xae\x51\x7e\x69\x17\x4b\x65\x02"
"\xfc\x1f\xbc\x4a\xdd\xd8\x7d\x48"
"\xad\x65\x09\x64\x3b\xac\xeb\xd9"
"\xc2\x01\xc0\xf4\x17\x3c\x1c\x1c"
"\x7d\xb2\x52\xc4\xf5\xf4\x8f\xeb"
"\x6a\x1a\x34\x4f\x5f\x2e\x32\x45"
"\x4e",
},
};
static const struct comp_testvec zlib_deflate_decomp_tv_template[] = {
{
.inlen = 128,
.outlen = 191,
.input = "\x78\x9c\x5d\x8d\x31\x0e\xc2\x30"
"\x10\x04\xbf\xb2\x2f\xc8\x1f\x10"
"\x04\x09\x89\xc2\x85\x3f\x70\xb1"
"\x2f\xf8\x24\xdb\x67\xd9\x47\xc1"
"\xef\x49\x68\x12\x51\xae\x76\x67"
"\xd6\x27\x19\x88\x1a\xde\x85\xab"
"\x21\xf2\x08\x5d\x16\x1e\x20\x04"
"\x2d\xad\xf3\x18\xa2\x15\x85\x2d"
"\x69\xc4\x42\x83\x23\xb6\x6c\x89"
"\x71\x9b\xef\xcf\x8b\x9f\xcf\x33"
"\xca\x2f\xed\x62\xa9\x4c\x80\xff"
"\x13\xaf\x52\x37\xed\x0e\x52\x6b"
"\x59\x02\xd9\x4e\xe8\x7a\x76\x1d"
"\x02\x98\xfe\x8a\x87\x83\xa3\x4f"
"\x56\x8a\xb8\x9e\x8e\x5c\x57\xd3"
"\xa0\x79\xfa\x02\x2e\x32\x45\x4e",
.output = "This document describes a compression method based on the DEFLATE"
"compression algorithm. This document defines the application of "
"the DEFLATE algorithm to the IP Payload Compression Protocol.",
}, {
.inlen = 44,
.outlen = 70,
.input = "\x78\x9c\xf3\xca\xcf\xcc\x53\x28"
"\x2d\x56\xc8\xcb\x2f\x57\x48\xcc"
"\x4b\x51\x28\xce\x48\x2c\x4a\x55"
"\x28\xc9\x48\x55\x28\xce\x4f\x2b"
"\x29\x07\x71\xbc\x08\x2b\x01\x00"
"\x7c\x65\x19\x3d",
.output = "Join us now and share the software "
"Join us now and share the software ",
},
};
/*
* LZO test vectors (null-terminated strings).
*/