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Creates new IV.
Unit
EEncrypt
Syntax
Return value
Random initialization vector.
Remarks
This function creates new random initialization vector (IV). Pass the returned value to TwofishEncrypt function to use CBC mode.
Important!
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Do not pass the returned value to TwofishDecrypt function. IV for decryption must match the IV used for encryption. In other words, you must store IV with encrypted data.
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Important!
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Do not use RTL's Random function to create random salt manually. RTL implementation is a simple pseudo-random generator and it does not generate cryptographically-strong random data.
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Note
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Initialization vector (IV) is a fixed-size input to a cryptographic primitive that is typically required to be random or pseudorandom. Randomization is crucial for encryption schemes to achieve semantic security, a property whereby repeated usage of the scheme under the same key does not allow an attacker to infer relationships between segments of the encrypted message.
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See also
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Build date: 2024-09-30
Last edited: 2024-09-30
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