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.EFU File Extension


File Type Encryptafile Public Key File
File Format File
Common? No
File Description Public Key used to authenticate an encrypted Encryptafile (.EFL) file; contains a hexadecimal representation of the public key; made available to the public and used along with the Private Key (.EFR) file to verify a digitally signed file.

The length of a public key file must be greater than or equal to 16 bits, and less than or equal to 7128 bits.
Program(s) that open efu files Windows: XenoSystems Encryptafile

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/efu