# CryppoEx v0.2.4 - Table of Contents > Encryption library for the Meeco platform ## Pages - [README](readme.md) ## Modules - [Cryppo](Cryppo.md): Main public API of Cryppo - [Cryppo.DerivedKey](Cryppo.DerivedKey.md): A struct for a derived encryption key and its derivation artefacts - [Cryppo.EncryptedData](Cryppo.EncryptedData.md): A struct for encrypted data and encryption artefacts - [Cryppo.EncryptedDataWithDerivedKey](Cryppo.EncryptedDataWithDerivedKey.md): A struct for a derived key and data encrypted with this derived key - [Cryppo.EncryptionArtefacts](Cryppo.EncryptionArtefacts.md): A struct for encryption artefacts - [Cryppo.EncryptionKey](Cryppo.EncryptionKey.md): A struct to wrap an encryption key - [Cryppo.Rsa4096](Cryppo.Rsa4096.md): Encryption strategy RSA with 4096-bit keys and some RSA-specific functions - [Cryppo.RsaSignature](Cryppo.RsaSignature.md): A struct for an RSA singature and the signed data