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=pod

=encoding utf8

=head1 NAME

Crypt::OpenSSL::PKCS::Func - PKCS Functions, using the OpenSSL libraries

=head1 SYNOPSIS

    use Crypt::OpenSSL::PKCS::Func qw/PKCS12_key_gen PKCS5_PBKDF2_HMAC/;

    my $macdata_key = PKCS12_key_gen('123456', 'e241f01650dbeae4', 3, 2048, 32, 'sha256');
    print $macdata_key, "\n";
    #72:12:59:F1:4A:AD:70:B5:88:39:F7:15:66:B4:33:DA:1B:8A:D0:8F:65:0F:4D:02:FA:AA:0B:9B:09:5B:B5:1D

    my $pbkdf2_key = PKCS5_PBKDF2_HMAC('123456', 'b698314b0d68bcbd', 2048, 'sha256', 32);
    print $pbkdf2_key, "\n";
    #F6:8B:53:86:DE:3A:8D:63:35:84:69:50:54:4D:29:A5:5A:D3:32:8D:EA:17:68:53:04:D7:82:28:48:AE:C5:34


=head1 DESCRIPTION

Use OpenSSL libraries, for the function defined in:

RFC2898 : PBKDF2

RFC7292 : PKCS12_key_gen

=head1 Methods

=head2 PKCS12_key_gen

    PKCS12_key_gen(password, salt_hexstr, id, iteration, outlen, digest_name)

see also openssl/crypto/pkcs12/p12_key.c


=head2 PKCS5_PBKDF2_HMAC

    PKCS5_PBKDF2_HMAC(password, salt_hexstr, iteration, digest_name, outlen)

see also openssl/crypto/evp/p5_crpt2.c