IDEA is a #Block Cipher that uses 128-bit key on 64 bits of data and performs 8 rounds of round function# for encryption. It is one of the underlying algorithms used by Pretty Good Privacy (PGP)#.
International Data Encryption Algorithm (IDEA)
- TNS3131 Chapter 2: Conventional Encryption and Message Confidentiality
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Pretty Good Privacy (PGP)
The message then is encrypted using CAST-128, #International Data Encryption Algorithm (IDEA) or #Triple Data Encryption Standard (3DES) with the session key.
- Block Cipher