setasign\SetaPDF2\Core\SecHandler
Standard
Classes
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Standard
Security handler class handling standard encryption features
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Aes128
Generator class for AES 128 bit security handler
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Aes256
Generator class for AES 256 bit security handler (revision 6)
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Aes256R5
Generator class for AES 256 bit security handler (revision 5 - DEPRECTAED IN ISO/DIS 32000-2)
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Arcfour128
Generator class for RC4 128 bit security handler
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Arcfour128Cf
Generator class for RC4 128 bit security handler with crypt filters
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Arcfour40
Generator class for RC4 40 bit security handler