pkcs5_keyivgen(p1, p2 = v2, p3 = v3, p4 = v4) public

Generates and sets the key/IV based on a password.

WARNING: This method is only PKCS5 v1.5 compliant when using RC2, RC4-40, or DES with MD5 or SHA1. Using anything else (like AES) will generate the key/iv using an OpenSSL specific method. This method is deprecated and should no longer be used. Use a PKCS5 v2 key generation method from OpenSSL::PKCS5 instead.


  • salt must be an 8 byte string if provided.

  • iterations is an integer with a default of 2048.

  • digest is a Digest object that defaults to ‘MD5’

A minimum of 1000 iterations is recommended.

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