Namespace LibSodium

Classes

Aegis128L

Provides high-level access to the AEGIS-128L AEAD construction from Libsodium.

Aegis256

Provides high-level access to the AEGIS-256 AEAD construction from Libsodium.

Aes256Gcm

Provides high-level access to the AES256-GCM AEAD construction from Libsodium.

Base64Encoding

Provides methods for Base64 encoding and decoding.

ChaCha20Poly1305

Provides high-level access to the ChaCha20-Poly1305 AEAD construction from Libsodium.

ChaCha20Poly1305Ietf

Provides high-level access to the IETF variant of the ChaCha20-Poly1305 AEAD construction from Libsodium.

CryptoAuth

Provides methods for message authentication using the crypto_auth API from libsodium.

CryptoBox

Provides high-level access to the Curve25519-based public-key authenticated encryption (crypto_box) from Libsodium.

CryptoGenericHash

Provides a high-level interface to the libsodium generic hash function, based on BLAKE2b.

CryptoHChaCha20

Deterministically derives 32-byte subkeys using the HChaCha20 core function from a key, a salt-like input and optional domain context.

CryptoHkdf

Provides HKDF key derivation (RFC 5869) using SHA-256 or SHA-512.

CryptoHmacSha256

Computes and verifies HMAC-SHA-256 message authentication codes.

CryptoHmacSha512

Computes and verifies HMAC-SHA-512 message authentication codes.

CryptoHmacSha512_256

Computes and verifies HMAC-SHA-512/256 message authentication codes.

CryptoKeyDerivation

Provides deterministic key derivation using libsodium's crypto_kdf_* API, based on the BLAKE2b hash function.

CryptoKeyExchange

Provides methods for secure, fast, and simple key exchange using libsodium's crypto_kx API. Allows two parties to derive shared session keys securely.

CryptoOneTimeAuth

Computes and verifies Poly1305 one-time authentication codes.

CryptoPasswordHashArgon

Provides password hashing and key derivation using Argon2.

CryptoPasswordHashScrypt

Provides password hashing and key derivation using the Scrypt algorithm.

CryptoRistretto

Constants and cryptographic operations for the Ristretto255 group.

CryptoScalarMult

Provides low-level scalar multiplication on Curve25519. This class exposes the crypto_scalarmult and crypto_scalarmult_base functions from libsodium.

CryptoSecretStream

The CryptoSecretStream class provides methods for performing authenticated encryption and decryption of data streams, with optional additional authenticated data. It is based on the XChaCha20-Poly1305 algorithm.

CryptoSha256

Provides one‑shot and streaming SHA‑256 hashing helpers built on libsodium’s crypto_hash_sha256 API.

CryptoSha512

Provides one‑shot and streaming SHA‑512 hashing helpers built on libsodium’s crypto_hash_sha512 API.

CryptoShortHash

Provides a high-level interface to the libsodium short-input hash function, based on SipHash-2-4.

CryptoSign

Provides digital signature functionality using Ed25519, as implemented by libsodium.

CryptoStreamChaCha20

Provides high-level access to the ChaCha20 stream cipher.

CryptoStreamChaCha20Ietf

Provides high-level access to the ChaCha20Ietf stream cipher.

CryptoStreamSalsa20

Provides high-level access to the Salsa20 stream cipher.

CryptoStreamXChaCha20

Provides high-level access to the XChaCha20 stream cipher.

CryptoStreamXSalsa20

Provides high-level access to the XSalsa20 stream cipher.

HexEncoding

Provides methods for encoding and decoding hexadecimal strings and byte buffers.

LibSodiumException

Represents errors that occur during Sodium operations.

LibraryInitializer

Static class that manages the initialization and configuration of libsodium.

LibraryVersion

Provides methods to retrieve the version information of the Sodium library.

RandomGenerator

Static class for random number generation.

SecretBox

Provides static methods for authenticated symmetric encryption and decryption using the Sodium secretbox primitives, specifically the XSalsa20 stream cipher and Poly1305 MAC for authentication. These methods offer combined encryption/authentication and detached encryption/authentication, with variations for handling nonces and Message Authentication Codes (MACs) within or separate from the ciphertext.

SecretStream

Provides high-level, stream-based authenticated encryption and decryption using the XChaCha20-Poly1305 algorithm. This class abstracts the complexity of securely processing large data streams, including chunking, authentication, and cryptographic state management.

SecureBigUnsignedInteger

Provides methods for working with arbitrary large little endian big unsigned integers in a secure way (constant time for a given length)

SecureMemory

Provides methods for secure memory management using libsodium. These methods help protect sensitive data from being swapped to disk or accessed by other processes.

SecureMemory<T>

Provides a secure unmanaged memory buffer for unmanaged types, using libsodium for memory protection. This class encapsulates secure memory allocation, read-only protection, and zeroing.

SecurePadding

Provides methods for padding and unpadding byte buffers to ensure they meet specified block sizes.

UnmanagedMemorySpanHolder<T>

Holds the pointer and length of an unmanaged memory span for later recreation. Use only with unmanaged memory.

XChaCha20Poly1305

Provides high-level access to the XChaCha20-Poly1305 AEAD construction from Libsodium.

Interfaces

ICryptoIncrementalOperation

Represents an incremental operation such as incremental hash, MAC, or sign calculation that processes data in chunks and produces a fixed-size output.

Enums

Base64Variant

Represents Base64 encoding variants.

CryptoSecretStreamTag

The tags used in the secret stream.

PasswordHashArgonAlgorithm

Supported password hashing algorithms.