Topics

Here is a list of all topics with brief descriptions:

Build Information
Build version information
Build configurations
Enabled modules and API versions
Ascon-permutation	Ascon-permutation
ASN.1 Handling	ASN.1 Handling: Process/encode/decode ASN.1 data structures and map OIDs
Base Types	Base Types: Defines some high level types
Block Ciphers	Block Ciphers: Implementations of block cipher algorithms
AES	AES
AES ARMv8	AES ARMv8: AES using ARMv8 crypto instructions
AES-NI	AES-NI: AES using AES-NI and SIMD instructions
AES Power8	AES Power8: AES using Power8 instructions
AES-VAES	AES-VAES: AES using VAES
AES Vector Permutation	AES Vector Permutation: AES using Vector Permutation Instructions
ARIA	ARIA
ARIA AVX-512/GFNI	ARIA AVX-512/GFNI
ARIA using hardware AES instructions	ARIA using hardware AES instructions
Blowfish	Blowfish
Camellia	Camellia
Camellia using GFNI/AVX2	Camellia using GFNI/AVX2
Camellia AVX-512/GFNI	Camellia AVX-512/GFNI
Camellia using hardware AES instructions	Camellia using hardware AES instructions
Cascade	Cascade
CAST-128	CAST-128
DES	DES
GOST 28147-89	GOST 28147-89
IDEA	IDEA
IDEA AVX2	IDEA AVX2: IDEA using AVX2 SIMD instructions
IDEA SSE2	IDEA SSE2: IDEA using SSE2 SIMD instructions
Kuznyechik	Kuznyechik
Lion	Lion
Noekeon	Noekeon
Noekeon SIMD	Noekeon SIMD: Noekeon using SIMD instructions
SEED	SEED
SEED AVX-512/GFNI	SEED AVX-512/GFNI
SEED using hardware AES instructions	SEED using hardware AES instructions
Serpent	Serpent
Serpent AVX2	Serpent AVX2: Serpent using AVX2 instructions
Serpent AVX512	Serpent AVX512: Serpent using AVX512 instructions
Serpent SIMD	Serpent SIMD: Serpent using SIMD instructions
SHACAL-2	SHACAL-2
SHACAL-2 ARMv8	SHACAL-2 ARMv8: SHACAL-2 using ARMv8 crypto instructions
SHACAL-2 AVX2	SHACAL-2 AVX2: SHACAL-2 using AVX2 instructions
SHACAL-2 AVX512	SHACAL-2 AVX512: SHACAL-2 using AVX512 instructions
SHACAL-2 SIMD	SHACAL-2 SIMD: SHACAL-2 using SIMD instructions
SHACAL-2 X86	SHACAL-2 X86: SHACAL-2 using SSE instructions on x86
SM4	SM4
SM4 ARMv8	SM4 ARMv8: SM4 using ARMv8 crypto instructions
SM4 AVX-512/GFNI	SM4 AVX-512/GFNI
SM4 GFNI	SM4 GFNI: SM4 using Intel GFNI
SM4 using hardware AES instructions	SM4 using hardware AES instructions
SM4 x86	SM4 x86: SM4 using Intel SM4 extension
Threefish-512	Threefish-512
Twofish	Twofish
Twofish AVX-512	Twofish AVX-512: Twofish using AVX-512 and GFNI instructions
Codecs	Codecs: Helpers for data encoding and decoding
Base32	Base32: Base32 encoder and decoder
Base58	Base58: Base58 encoder and decoder
Base64	Base64: Base64 encoder and decoder
Hex	Hex: Hex encoder and decoder
Compatibility	Compatibility: Helpers for compatibility with other libraries
libsodium API	libsodium API: Partial compatibility implementation of the libsodium API
Compression	Compression: Wrappers for compression algorithms
BZIP2	BZIP2
ZLib	ZLib
ZLib	ZLib
RSA encryption padding schemes	RSA encryption padding schemes: Implementations of public key encryption padding schemes
OAEP	OAEP
PKCS #1 v1.5 encryption padding	PKCS #1 v1.5 encryption padding
EME Raw Padding	EME Raw Padding
Entropy Collection	Entropy Collection: Implementations of entropy sources
getentropy	getentropy: Wrapper for BSD's getentropy system call
RDSEED	RDSEED: Wrapper for Intel's RDSEED instruction
Win32 Statistics	Win32 Statistics: Entropy collection based on Windows statistics counters
Foreign Function Interface	Foreign Function Interface: C API for Botan's functionality
Filters	Filters: Filter/Pipe API for data transformations
Unix File Descriptor Pipe I/O	Unix File Descriptor Pipe I/O
Hashes	Hashes: Implementations of hash algorithms
Ascon-Hash256	Ascon-Hash256
BLAKE2b	BLAKE2b
BLAKE2s	BLAKE2s
Checksums	Checksums: Implementations of checksum algorithms
Adler32	Adler32
CRC24	CRC24
CRC32	CRC32
Comb4P	Comb4P
GOST 34.11	GOST 34.11
Keccak	Keccak: Pre-standard version of SHA-3 originally proposed during NIST competition
MD4	MD4
MD5	MD5
Merkle-Damgård Helper	Merkle-Damgård Helper: Helper class for implementing Merkle-Damgård hashes
Parallel Hashes	Parallel Hashes: Base class for parallel hash functions
RIPEMD-160	RIPEMD-160
SHA-1	SHA-1
SHA-1 ARMv8	SHA-1 ARMv8: SHA-1 using ARMv8 crypto instructions
SHA-1 AVX2/BMI2	SHA-1 AVX2/BMI2: SHA-1 using AVX2/BMI2 instructions
SHA-1 SIMD	SHA-1 SIMD: SHA-1 using SIMD instructions
SHA-1 SIMD	SHA-1 SIMD: SHA-1 using SIMD instructions on x86
SHA-256 and SHA-224	SHA-256 and SHA-224
SHA-256 ARMv8	SHA-256 ARMv8: SHA-256 using ARMv8 crypto instructions
SHA-256 using AVX2/BMI2	SHA-256 using AVX2/BMI2: SHA-256 using AVX2/BMI2 instructions
SHA-256 using SIMD	SHA-256 using SIMD: SHA-256 using SIMD instructions
SHA-256 SIMD	SHA-256 SIMD: SHA-256 using SIMD instructions on x86
SHA-512 and SHA-384	SHA-512 and SHA-384
SHA-512 ARMv8	SHA-512 ARMv8: SHA-512 using ARMv8 crypto instructions
SHA-512 AVX2/BMI2	SHA-512 AVX2/BMI2: SHA-512 using AVX2/BMI2 instructions
SHA-512 AVX512/BMI2	SHA-512 AVX512/BMI2: SHA-512 using AVX512/BMI2 instructions
SHA-512 SHA-NI	SHA-512 SHA-NI: SHA-512 using x86 instructions
SHA-3	SHA-3
SHAKE	SHAKE
Skein-512	Skein-512
SM3	SM3
SM3 ARMv8	SM3 ARMv8: SM3 using ARMv8 crypto instructions
SM3 using AVX2/BMI2	SM3 using AVX2/BMI2: SM3 using AVX2/BMI2 instructions
SM3 x86	SM3 x86: SM3 using Intel SM3 extension
Streebog	Streebog
Truncated Hashes	Truncated Hashes: Wrapper class to truncate the output of an underlying hash function
Whirlpool	Whirlpool
Whirlpool AVX2	Whirlpool AVX2
Whirlpool using AVX512	Whirlpool using AVX512: Whirlpool using AVX512 instructions
Hash Function Identification	Hash Function Identification
Key Derivation Functions	Key Derivation Functions: Implementations of Key Derivation Functions
HKDF	HKDF
KDF1	KDF1
KDF1 (ISO 18033-2)	KDF1 (ISO 18033-2)
KDF2	KDF2
TLS 1.2 PRF	TLS 1.2 PRF: Implementation of the Pseudo-Random Function as used in TLS 1.2
PRF X9.42	PRF X9.42
NIST SP800-108	NIST SP800-108
NIST SP800-56A	NIST SP800-56A
NIST SP800-56C	NIST SP800-56C
XMD	XMD: XMD KDF from RFC 9380
Keccak-permutation	Keccak-permutation
Keccak permutation using AVX512	Keccak permutation using AVX512
KECCAK-permutation BMI2	KECCAK-permutation BMI2: KECCAK-permutation for SHA-3-related functions using BMI2 instructions
Message Authentication Codes	Message Authentication Codes: Implementations of Message Authentication Codes
Blake2B MAC	Blake2B MAC
CMAC	CMAC
GMAC	GMAC
HMAC	HMAC
KMAC	KMAC
Poly1305	Poly1305
Poly1305 AVX2	Poly1305 AVX2: Poly1305 using AVX2 instructions
Poly1305 AVX512	Poly1305 AVX512: Poly1305 using AVX-512 IFMA instructions
SipHash	SipHash
ANSI X9.19 MAC	ANSI X9.19 MAC
Math	Math: Mathematical helpers; mostly big integer math
Big Integer	Big Integer: Wrapper classes for handling big integer math
Big Integer (Low-Level)	Big Integer (Low-Level): Low level big integer math algorithms
Number Theory	Number Theory: Number theoretical higher level algorithms for big integer math
Prime Order Curves	Prime Order Curves: Generalized elliptic curve arithmetic
PCurve brainpool256r1	PCurve brainpool256r1: brainpool256r1
PCurve brainpool384r1	PCurve brainpool384r1: brainpool384r1
PCurve brainpool512r1	PCurve brainpool512r1: brainpool512r1
PCurve frp256v1	PCurve frp256v1: frp256v1
PCurve generic	PCurve generic
Prime Order Curves Implementation Helpers	Prime Order Curves Implementation Helpers: Generalized elliptic curve arithmetic
PCurve numsp512d1	PCurve numsp512d1: numsp512d1
PCurve secp192r1	PCurve secp192r1: secp192r1
PCurve secp224r1	PCurve secp224r1: secp224r1
PCurve secp256k1	PCurve secp256k1: secp256k1
PCurve secp256r1	PCurve secp256r1: secp256r1
PCurve secp384r1	PCurve secp384r1: secp384r1
PCurve secp521r1	PCurve secp521r1: secp521r1
PCurve sm2p256v1	PCurve sm2p256v1: sm2p256v1
MGF1	MGF1
Miscellaneous	Miscellaneous: Odds and ends: Algorithms and protocols that don't fit any of the other modules
Crypto Box	Crypto Box: High-Level API for password-based encryption (deprecated)
FPE FE1	FPE FE1: Format Preserving Encryption (FE1 scheme)
HOTP/TOTP	HOTP/TOTP: HMAC/Time based One Time Password implementations
NIST KeyWrap	NIST KeyWrap: Key Wrapping as described in NIST SP800-38F
RFC 3394 KeyWrap	RFC 3394 KeyWrap: Key Wrapping as described in RFC 3394
Roughtime	Roughtime: Authenticated Time Synchronzation Protocol
SRP-6a	SRP-6a: Secure Remote Password protocol - RFC 5054 compatible
Threshold Secret Sharing	Threshold Secret Sharing: Implementation based on draft-mcgrew-tss-03
ZFEC	ZFEC: Forward error correction based on Vandermonde matrices
ZFEC Vector Permutation	ZFEC Vector Permutation: ZFEC using Vector Permutation Instructions
Block Cipher Modes	Block Cipher Modes: Implementations of block cipher modes of operation
AEAD Modes	AEAD Modes: Implementations of Authenticated Encryption Associated Data block cipher modes
Ascon-AEAD128	Ascon-AEAD128
CCM	CCM
ChaCha20Poly1305	ChaCha20Poly1305
EAX	EAX
GCM	GCM
OCB	OCB
SIV	SIV
CBC	CBC
CFB	CFB
CBC Padding Methods	CBC Padding Methods
XTS	XTS
XTS tweak computation using AVX-512/clmul	XTS tweak computation using AVX-512/clmul
Password Hashes	Password Hashes: Implementations of password hashing algorithms
Argon2 Formatted	Argon2 Formatted: Generates formatted Argon2 password hash outputs
BCrypt	BCrypt: BCrypt password hash function
Passhash 9	Passhash 9: Passhash 9 password hash function
Password Based Key Derivation Functions	Password Based Key Derivation Functions: Implementations of Password Based Key Derivation Functions
Argon2	Argon2
Argon2 AVX2	Argon2 AVX2: Argon2 using AVX2 instructions
Argon2 AVX-512	Argon2 AVX-512: Argon2 using AVX-512 instructions
Argon2 SIMD_2x64	Argon2 SIMD_2x64: Argon2 using SIMD_2x64
BCrypt	BCrypt
PBKDF2	PBKDF2
S2K	S2K
Scrypt	Scrypt
Providers	Providers: Adapters to external crypto providers
CommonCrypto	CommonCrypto: Helpers and Utilities for calling CommonCrypto
PKCS #11	PKCS #11: Wrapper classes to interact with PKCS #11 modules
TPM v1 Support (deprecated)	TPM v1 Support (deprecated): Wrappers and Utilities to interact with TPM v1
TPM2	TPM2: Wrappers and Utilities to interact with TPM2
TPM2 Crypto Backend	TPM2 Crypto Backend: Implementation of the TPM2-TSS crypto callbacks
TPM2 ECC Adapter	TPM2 ECC Adapter: Support for ECC pairs hosted on TPM 2.0
TPM2 RSA Adapter	TPM2 RSA Adapter: Support for RSA key pairs hosted on TPM 2.0
PSK Database	PSK Database: Interface for a generic pre-shared key database
Public Key Algorithms	Public Key Algorithms: Implementations of public key schemes
Public Key Blinding	Public Key Blinding: Helper for BigInt blinding
Classic McEliece	Classic McEliece
Curve448 Arithmetic	Curve448 Arithmetic: x448 and Ed448 Arithmetic
Ed448	Ed448: Ed448 signature algorithm
X448	X448: X448 key agreement algorithm
Diffie-Hellman	Diffie-Hellman
Dilithium (common)	Dilithium (common): Base implementation of CRYSTALS-Dilithium
Dilithium/ML-DSA SHAKE-based XOF adapter	Dilithium/ML-DSA SHAKE-based XOF adapter
Dilithium Round 3	Dilithium Round 3
Dilithium	Dilithium: as specified in CRYSTALS-Dilithium 3.1
Dilithium (AES)	Dilithium (AES): as specified in CRYSTALS-Dilithium 3.1
Discrete Logarithm	Discrete Logarithm: Classes for discrete logarithm based schemes
DL Group	DL Group: Wrapper for discrete logarithm groups and named groups
DLIES	DLIES
DSA	DSA
EC Group	EC Group: Wrapper for elliptic curve groups
Legacy EC Point type	Legacy EC Point type: Deprecated EC arithmetic interfaces
ECC Key	ECC Key: Base class for elliptic curve cryptography keys
ECDH	ECDH
ECDSA	ECDSA
ECGDSA	ECGDSA
ECIES	ECIES
ECKCDSA	ECKCDSA
Ed25519	Ed25519
ElGamal	ElGamal
FrodoKEM	FrodoKEM
FrodoKEM (AES)	FrodoKEM (AES)
FrodoKEM (common)	FrodoKEM (common): Base implementation of FrodoKEM
GOST 34.10-2001	GOST 34.10-2001
HSS-LMS	HSS-LMS
Hybrid KEM	Hybrid KEM
KEX to KEM adapter	KEX to KEM adapter: Basic KEX to KEM key transformation
Keypair	Keypair: Helper functions for key pair and signature consistency checks
Kyber (common)	Kyber (common): Base implementation of CRYSTALS-Kyber
Kyber Round 3 Encapsulation	Kyber Round 3 Encapsulation: Kyber key encapsulation as specified in the Round 3 spec
Kyber	Kyber
Kyber 90s	Kyber 90s
McEliece	McEliece
ML-DSA	ML-DSA: Module Lattice Digital Signature Algorithm (FIPS 204)
ML-KEM	ML-KEM: Module Lattice KEM
PBES2	PBES2
PEM	PEM: Helpers and utilities for handling PEM containers
CRYSTALS	CRYSTALS: Base utilities for CRYSTALS-Kyber/ML-KEM and CRYSTALS-Dilithium/ML-DSA. CRYptographic SuiTe for Algebraic LatticeS
RFC 6979	RFC 6979: RFC 6979 Deterministic Nonce Generator
RSA	RSA
SLH-DSA (SHA-256)	SLH-DSA (SHA-256)
SLH-DSA (SHAKE)	SLH-DSA (SHAKE)
SM2	SM2
SLH-DSA (common)	SLH-DSA (common): Base implementation of Stateless Hash Function DSA
SLH-DSA/SPHINCS+ (SHA-256) Base	SLH-DSA/SPHINCS+ (SHA-256) Base: Base module for SLH-DSA and SPHINCS+ with SHA-2
SLH-DSA/SPHINCS+ (SHAKE) Base	SLH-DSA/SPHINCS+ (SHAKE) Base: Base module for SLH-DSA and SPHINCS+ with SHAKE
SPHINCS+ (SHA-256)	SPHINCS+ (SHA-256)
SPHINCS+ (SHAKE-256)	SPHINCS+ (SHAKE-256)
Stateful Key Index	Stateful Key Index: Tracks updates for stateful signing algorithms
X25519	X25519
XMSS	XMSS
Raw Hash Function	Raw Hash Function: Hash Function Used For Signature Schemes
Random Number Generators	Random Number Generators: Implementations of Random Number Generators
Auto-Seeded RNG	Auto-Seeded RNG: Userspace RNG that automatically seeds using available entropy sources
ChaCha RNG	ChaCha RNG
ESDM RNG	ESDM RNG: RNG based on ESDM - Entropy Source and DRNG Manager
HMAC DRBG	HMAC DRBG: As defined in NIST SP800-90A
CPU Jitter Random Number Generator	CPU Jitter Random Number Generator
Processor RNG	Processor RNG: Directly invokes a CPU specific instruction to generate random numbers
Stateful RNG	Stateful RNG: Base class for RNGs that must keep an internal state
System RNG	System RNG: Wrapper around the system-provided standard RNG
RSA signature padding schemes	RSA signature padding schemes: Implementations of public key signature padding schemes
PKCS #1 v1.5 signature padding	PKCS #1 v1.5 signature padding
PSS	PSS: PSS signature padding from PKCS1v2.0
EMSA Raw Padding	EMSA Raw Padding
X9.31	X9.31
ISO-9796-2	ISO-9796-2
Sponge Helper	Sponge Helper
Stream Ciphers	Stream Ciphers: Implementations of stream cipher algorithms
ChaCha20	ChaCha20
ChaCha20 AVX2	ChaCha20 AVX2: ChaCha20 using AVX2 instructions
ChaCha20 AVX512	ChaCha20 AVX512: ChaCha20 using AVX512 instructions
ChaCha20 SIMD	ChaCha20 SIMD: ChaCha20 using SIMD instructions
Counter Mode	Counter Mode: CTR-BE block cipher mode
CTR-BE AVX2	CTR-BE AVX2: AVX2-accelerated CTR-BE counter management and XOR
CTR-BE SIMD	CTR-BE SIMD: SIMD-accelerated CTR-BE counter management and XOR
OFB	OFB: OFB block cipher mode
RC4	RC4
Salsa20	Salsa20
SHAKE-based XOFs	SHAKE-based XOFs: SHAKE-128 and SHAKE-256 XOF presented as stream ciphers
Transport Layer Security	Transport Layer Security: Common functionality for TLS
TLS ASIO Stream	TLS ASIO Stream: Boost ASIO stream interface as a wrapper around the TLS implementation
SQL Session Manager	SQL Session Manager: TLS Session Manager based on an SQL database
SQLite Session Manager	SQLite Session Manager: TLS Session Manager based on an SQLite database
TLS 1.2	TLS 1.2: TLS 1.2 protocol implementation
TLS 1.2 CBC AEAD	TLS 1.2 CBC AEAD: CBC + HMAC AEAD mode of operation for TLS 1.2
TLS 1.2 Null cipher	TLS 1.2 Null cipher: Null cipher + HMAC AEAD mode of operation for TLS 1.2
TLS 1.3	TLS 1.3: TLS 1.3 protocol implementation
TLS 1.3 (PQC)	TLS 1.3 (PQC): Hybrid Key Exchange for TLS 1.3 with Post-Quantum Algorithms
Utilities	Utilities: Various utility functions and types
Bitvector utility	Bitvector utility
Boost	Boost
CPUID	CPUID: Handle runtime feature detection of the current CPU
CPUID for Aarch64	CPUID for Aarch64
CPUID for ARMv7	CPUID for ARMv7
CPUID for LoongArch64	CPUID for LoongArch64
CPUID for POWER/PowerPC	CPUID for POWER/PowerPC
CPUID for RISCV64	CPUID for RISCV64
CPUID for Wasm	CPUID for Wasm
CPUID for x86	CPUID for x86
Dynamic Loader	Dynamic Loader: Helper class to represent a dynamically loaded library
GHASH	GHASH
GHASH AVX-512 CLMUL	GHASH AVX-512 CLMUL
GHASH SIMD	GHASH SIMD: GHASH using SIMD instructions
GHASH Vector Permutations	GHASH Vector Permutations: GHASH using Vector Permutation instructions
HTTP	HTTP
IP address types	IP address types
Locking Allocator	Locking Allocator: STL allocator using mlock to lock memory
Memory Pool	Memory Pool
Operating System Utils	Operating System Utils: Interfaces for accessing OS functionality
Polynomial Doubling	Polynomial Doubling
SIMD	SIMD: Wrappers for SIMD operations
SIMD 2x64	SIMD 2x64: Lightweight wrappers for SIMD 2x64
SIMD 4x32	SIMD 4x32: Lightweight wrappers for SIMD 4x32
SIMD 4x64	SIMD 4x64: Lightweight wrappers for SIMD 4x64
SIMD 8x64	SIMD 8x64: Lightweight wrappers for SIMD 8x64
AVX2	AVX2: Helpers for working with AVX2 instructions
AVX512	AVX512: Helpers for working with AVX512 instructions
SIMD hardware AES support	SIMD hardware AES support
Socket	Socket
SQLite 3	SQLite 3
Thread Utilities	Thread Utilities
Tree Hash	Tree Hash: Generic implementation of Merkle Tree Hashing
UUID	UUID
X.509	X.509: Handles X.509 certificates and their validation
File Certificate Store	File Certificate Store: Certificate trust store based on a flat file containing PEM-encoded trusted certificates
SQL Certificate Store	SQL Certificate Store: Certificate trust store based on an SQL database
SQLite Certificate Store	SQLite Certificate Store: Certificate trust store based on an SQLite database
System Certificate Store	System Certificate Store: Certificate trust store backed by the system's trust store
macOS Certificate Store	macOS Certificate Store: Adapter to access macOS' system trust store
Windows Certificate Store	Windows Certificate Store: Adapter to access Windows' system trust store
eXtendable Output Function	eXtendable Output Function: Implementations of XOFs
CRYSTALS XOF	CRYSTALS XOF: XOF used in Kyber 90s and Dilithium AES
Ascon-XOF128	Ascon-XOF128
cSHAKE XOF	cSHAKE XOF
SHAKE XOF	SHAKE XOF