encrypt

Description:

public static MultipartEncrypted? encrypt (CryptoContext ctx, Object entity, bool sign, string? userid, EncryptFlags flags, GenericArray<string> recipients) throws Error

Attempts to encrypt (and conditionally sign) the entity MIME part to the public keys of recipients using the ctx encryption context.

If successful, a new multipart/encrypted object is returned.

Parameters:

ctx	a CryptoContext
entity	MIME part to encrypt
sign	true if the content should also be signed or false otherwise
userid	user id to use for signing (only used if `sign` is true)
flags	a EncryptFlags
recipients	an array of recipients to encrypt to

Returns:

a new MultipartEncrypted object on success or null on fail. If encrypting fails, an exception will be set on err to provide information as to why the failure occurred.