Cryptography

Public Function XF_DecodeRC4String(s As String, Optional EncryptionKeyString As String = "") As String

Decode a string using the RC4 algorithm and the passed or a default encryption key. Before decryption, convert the string from hex-encoded ascii to handle nonprinting characters that cause trouble.


Public Function XF_EncodeRC4String(s As String, Optional EncryptionKeyString As String = "") As String

Encode a string using the RC4 algorithm and the passed or a default encryption key. After encryption, convert the string to hex-encoded ascii to handle nonprinting characters that cause trouble.


Public Function XF_MakeHexbyte(hexval As Integer) As String

Return a string corresponding to the hex byte (00-FF) given the numeric value (0-255)

Public Function XF_Raw2SafeStr(RawStr As String) As String

Encode strings to hex-encoded ascii to remove rogue ctrl characters that can cause problems stored in a database

Public Function XF_Safe2RawStr(SafeStr As String) As String

Decode strings from hex-encoded ascii