acmePackage acme provides an implementation of the Automatic Certificate Management Environment (ACME) spec.
acme/autocertPackage autocert provides automatic access to certificates from Let's Encrypt and any other ACME-based CA.
acme/autocert/internal/acmetestPackage acmetest provides types for testing acme and autocert packages.
acme/internal/acmeprobeThe acmeprober program runs against an actual ACME CA implementation.
argon2Package argon2 implements the key derivation function Argon2.
bcryptPackage bcrypt implements Provos and Mazières's bcrypt adaptive hashing algorithm.
blake2bPackage blake2b implements the BLAKE2b hash algorithm defined by RFC 7693 and the extendable output function (XOF) BLAKE2Xb.
blake2sPackage blake2s implements the BLAKE2s hash algorithm defined by RFC 7693 and the extendable output function (XOF) BLAKE2Xs.
blowfishPackage blowfish implements Bruce Schneier's Blowfish encryption algorithm.
bn256Package bn256 implements a particular bilinear group.
cast5Package cast5 implements CAST5, as defined in RFC 2144.
chacha20Package chacha20 implements the ChaCha20 and XChaCha20 encryption algorithms as specified in RFC 8439 and draft-irtf-cfrg-xchacha-01.
chacha20poly1305Package chacha20poly1305 implements the ChaCha20-Poly1305 AEAD and its extended nonce variant XChaCha20-Poly1305, as specified in RFC 8439 and draft-irtf-cfrg-xchacha-01.
cryptobytePackage cryptobyte contains types that help with parsing and constructing length-prefixed, binary messages, including ASN.1 DER.
cryptobyte/asn1Package asn1 contains supporting types for parsing and building ASN.1 messages with the cryptobyte package.
curve25519Package curve25519 provides an implementation of the X25519 function, which performs scalar multiplication on the elliptic curve known as Curve25519.
ed25519Package ed25519 implements the Ed25519 signature algorithm.
hkdfPackage hkdf implements the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as defined in RFC 5869.
internal/subtlePackage subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.
internal/wycheproof/internal/dsaPackage dsa provides an internal version of dsa.Verify that is used for the Wycheproof tests.
md4Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
nacl/authPackage auth authenticates a message using a secret key.
nacl/boxPackage box authenticates and encrypts small messages using public-key cryptography.
nacl/secretboxPackage secretbox encrypts and authenticates small messages.
nacl/signPackage sign signs small messages using public-key cryptography.
ocspPackage ocsp parses OCSP responses as specified in RFC 2560.
openpgpPackage openpgp implements high level operations on OpenPGP messages.
openpgp/armorPackage armor implements OpenPGP ASCII Armor, see RFC 4880.
openpgp/clearsignPackage clearsign generates and processes OpenPGP, clear-signed data.
openpgp/elgamalPackage elgamal implements ElGamal encryption, suitable for OpenPGP, as specified in "A Public-Key Cryptosystem and a Signature Scheme Based on Discrete Logarithms," IEEE Transactions on Information Theory, v.
openpgp/errorsPackage errors contains common error types for the OpenPGP packages.
openpgp/packetPackage packet implements parsing and serialization of OpenPGP packets, as specified in RFC 4880.
openpgp/s2kPackage s2k implements the various OpenPGP string-to-key transforms as specified in RFC 4800 section 3.7.1.
otrPackage otr implements the Off The Record protocol as specified in
pbkdf2Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.
pkcs12Package pkcs12 implements some of PKCS#12.
pkcs12/internal/rc2Package rc2 implements the RC2 cipher
poly1305Package poly1305 implements Poly1305 one-time message authentication code as specified in
ripemd160Package ripemd160 implements the RIPEMD-160 hash algorithm.
salsa20Package salsa20 implements the Salsa20 stream cipher as specified in
salsa20/salsaPackage salsa provides low-level access to functions in the Salsa family.
scryptPackage scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (
sha3Package sha3 implements the SHA-3 fixed-output-length hash functions and the SHAKE variable-output-length hash functions defined by FIPS-202.
sshPackage ssh implements an SSH client and server.
ssh/agentPackage agent implements the ssh-agent protocol, and provides both a client and a server.
ssh/internal/bcrypt_pbkdfPackage bcrypt_pbkdf implements bcrypt_pbkdf(3) from OpenBSD.
ssh/knownhostsPackage knownhosts implements a parser for the OpenSSH known_hosts host key database, and provides utility functions for writing OpenSSH compliant known_hosts files.
ssh/terminalPackage terminal provides support functions for dealing with terminals, as commonly found on UNIX systems.
ssh/testPackage test contains integration tests for the package.
teaPackage tea implements the TEA algorithm, as defined in Needham and Wheeler's 1994 technical report, “TEA, a Tiny Encryption Algorithm”.
twofishPackage twofish implements Bruce Schneier's Twofish encryption algorithm.
xteaPackage xtea implements XTEA encryption, as defined in Needham and Wheeler's 1997 technical report, "Tea extensions."
xtsPackage xts implements the XTS cipher mode as specified in IEEE P1619/D16.

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