It's encode!
en·crypt Audio pronunciation of "encrypt" ( P ) Pronunciation Key (n-krpt)
tr.v. en·crypt·ed, en·crypt·ing, en·crypts
1. To put into code or cipher.
2. Computer Science. To alter (a file, for example) using a secret code so as to be unintelligible to unauthorized parties.
en·code Audio pronunciation of "encode" ( P ) Pronunciation Key (n-kd)
tr.v. en·cod·ed, en·cod·ing, en·codes
1. To put (a message, for example) into code.
2. Computer Science. To format (electronic data) according to a standard format.
3. Genetics. To specify the genetic code for (a protein molecule, for example).
They are entirely interchangeable.