Decent crypto library?

I am trying to find library to encrypt/decrypt AES 128/192/256 CBC (with ability to provide custom IV)
So far I benchmarked Crypt::CBC with Crypt::OpenSSL::AES Crypt::Rijndael and Crypt::Cipher::AES. It's 30 times slower than command-line openssl call ( I tested 100Mb file)

encrypt OpenSSL::AES    6.974975
decrypt OpenSSL::AES    7.55751
encrypt Rijndael    6.38572
decrypt Rijndael    6.988235
encrypt Cipher::AES    5.818391
decrypt Cipher::AES    6.286144
[download]

decrypt OPENSSL    0.208716
[download]

Seems those modules were not pure perl, because when I tried Crypt::Rijndael_PP it did not finish withing minute or more and I terminated benchmark.
I think I tried another couple of Crypt::CBC compatible modules, but they did not work at all for my mode

I tried Crypt::GCrypt - it's 3 times slower than openssl cli
good!
So, I am looking for list of modules which can compete with openssl command line tool.

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Re: Decent crypto library? by daxim (Chaplain) on Oct 28, 2013 at 14:28 UTC
Crypt::MCrypt with cipher MCRYPT_RIJNDAEL_128 (links with external libmcrypt) Crypt::Cipher::AES (links with bundled libtomcrypt, see CryptX)	[reply]
Re^2: Decent crypto library? by vsespb (Chaplain) on Oct 28, 2013 at 14:46 UTC
Thank you. Crypt::Cipher::AES - there was a typo in my post. I already tried this one. And it's as slow as others in Crypt::CBC mode Crypt::MCrypt - Cannot get it working with RIJNDAEL-256 (I tried also "aes", "aes256") - getting segfaults	[reply]
Re^3: Decent crypto library? by Anonymous Monk on Oct 28, 2013 at 17:10 UTC
If you care about performance you have to use Crypt::Cipher::AES with Crypt::Mode::CBC See example at https://metacpan.org/pod/Crypt::Mode::CBC	[reply]
Re^4: Decent crypto library? by vsespb (Chaplain) on Oct 28, 2013 at 17:55 UTC
Re: Decent crypto library? by tobyink (Abbot) on Oct 28, 2013 at 15:54 UTC
Dare I ask... why not just use the OpenSSL binary? I use a function called `find_openssl` to locate a copy of openssl from well-known locations, falling back to Alien::OpenSSL if it is installed. As well as using `find_openssl` in the application code, I also call the function from Makefile.PL, and if it can't find openssl, a dependency on Alien::OpenSSL will be added to the MYMETA.json file, which CPAN clients should automatically pick up and install. `use Moops; class Cow :rw { has name => (default => 'Ermintrude') }; say Cow->new->name`	[reply] [d/l] [select]
Re^2: Decent crypto library? by vsespb (Chaplain) on Oct 28, 2013 at 16:21 UTC
Dare I ask... why not just use the OpenSSL binary? That't my plan B. or C. cons (for me): 1. that would be probably slow if you have a lot of small files (process creation overhead) 2. I need to use custom key and IV (-K and -iv options for openssl "enc" command) That options are visible in command line, thus it's considered unsecure, I don't see the way it can be hidden (unlike, say, option "-k" can be hidden using --kfile)	[reply]
Re^2: Decent crypto library? by vsespb (Chaplain) on Oct 28, 2013 at 16:31 UTC
Seems that indeed there is no way to hide IV and Key in command line And someone in OpenSSL mailing list explains that openssl binary is not for production use (only dev/demo tool)	[reply]


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