| CBigNumberUtil | Utilities to assist with implementing big number arithmetic |
| ▼CBlockCipher | Abstract base class for block ciphers |
| ▼CAESCommon | Abstract base class for AES block ciphers |
| CAES128 | AES block cipher with 128-bit keys |
| CAES192 | AES block cipher with 192-bit keys |
| CAES256 | AES block cipher with 256-bit keys |
| ▼CAESTiny128 | AES block cipher with 128-bit keys and tiny memory usage |
| CAESSmall128 | AES block cipher with 128-bit keys and reduced memory usage |
| ▼CAESTiny256 | AES block cipher with 256-bit keys and tiny memory usage |
| CAESSmall256 | AES block cipher with 256-bit keys and reduced memory usage |
| CSpeck | Speck block cipher with a 128-bit block size |
| ▼CSpeckTiny | Speck block cipher with a 128-bit block size (tiny-memory version) |
| CSpeckSmall | Speck block cipher with a 128-bit block size (small-memory version) |
| ▼CCipher | Abstract base class for stream ciphers |
| ▼CAuthenticatedCipher | Abstract base class for authenticated ciphers |
| CAcorn128 | ACORN-128 authenticated cipher |
| CAscon128 | ASCON-128 authenticated cipher |
| CChaChaPoly | Authenticated cipher based on ChaCha and Poly1305 |
| ▼CEAXCommon | Concrete base class to assist with implementing EAX for 128-bit block ciphers |
| CEAX< T > | Implementation of the EAX authenticated cipher |
| ▼CGCMCommon | Concrete base class to assist with implementing GCM for 128-bit block ciphers |
| CGCM< T > | Implementation of the Galois Counter Mode (GCM) |
| ▼CCBCCommon | Concrete base class to assist with implementing CBC for 128-bit block ciphers |
| CCBC< T > | Implementation of the Cipher Block Chaining (CBC) mode for 128-bit block ciphers |
| ▼CCFBCommon | Concrete base class to assist with implementing CFB for 128-bit block ciphers |
| CCFB< T > | Implementation of the Cipher Feedback (CFB) mode for 128-bit block ciphers |
| ▼CCTRCommon | Concrete base class to assist with implementing CTR mode for 128-bit block ciphers |
| CCTR< T > | Implementation of the Counter (CTR) mode for 128-bit block ciphers |
| CChaCha | ChaCha stream cipher |
| ▼COFBCommon | Concrete base class to assist with implementing OFB for 128-bit block ciphers |
| COFB< T > | Implementation of the Output Feedback (OFB) mode for 128-bit block ciphers |
| CCurve25519 | Diffie-Hellman key agreement based on the elliptic curve modulo 2^255 - 19 |
| CEd25519 | Digital signatures based on the elliptic curve modulo 2^255 - 19 |
| CGF128 | Operations in the Galois field GF(2^128) |
| CGHASH | Implementation of the GHASH message authenticator |
| ▼CHash | Abstract base class for cryptographic hash algorithms |
| CBLAKE2b | BLAKE2b hash algorithm |
| CBLAKE2s | BLAKE2s hash algorithm |
| CSHA1 | SHA-1 hash algorithm |
| ▼CSHA256 | SHA-256 hash algorithm |
| CSHA224 | SHA-224 hash algorithm |
| CSHA3_256 | SHA3-256 hash algorithm |
| CSHA3_512 | SHA3-512 hash algorithm |
| ▼CSHA512 | SHA-512 hash algorithm |
| CSHA384 | SHA-384 hash algorithm |
| ▼CHKDFCommon | Concrete base class to assist with implementing HKDF mode for hash algorithms |
| CHKDF< T > | Implementation of the HKDF mode for hash algorithms |
| CKeccakCore | Keccak core sponge function |
| CNewHope | NewHope post-quantum key exchange algorithm |
| CNewHopePrivateKey | NewHope private key representation |
| ▼CNoiseSource | Abstract base class for random noise sources |
| CRingOscillatorNoiseSource | Processes the signal from a ring oscillator based noise source |
| CTransistorNoiseSource | Processes the signal from a transistor-based noise source |
| COMAC | Implementation of the OMAC message authenticator |
| CP521 | Elliptic curve operations with the NIST P-521 curve |
| CPoly1305 | Poly1305 message authenticator |
| CRNGClass | Pseudo random number generator suitable for cryptography |
| ▼CXOF | Abstract base class for Extendable-Output Functions (XOFs) |
| ▼CSHAKE | Abstract base class for the SHAKE Extendable-Output Functions (XOFs) |
| CSHAKE128 | SHAKE Extendable-Output Function (XOF) with 128-bit security |
| CSHAKE256 | SHAKE Extendable-Output Function (XOF) with 256-bit security |
| ▼CXTSCommon | Concrete base class to assist with implementing XTS mode for 128-bit block ciphers |
| CXTS< T1, T2 > | Implementation of the XTS mode for 128-bit block ciphers |
| ▼CXTSSingleKeyCommon | Concrete base class to assist with implementing single-key XTS mode for 128-bit block ciphers |
| CXTSSingleKey< T > | Implementation of the single-key XTS mode for 128-bit block ciphers |