README
¶
Go Cryptography
This repository holds supplementary Go cryptography libraries.
Download/Install
The easiest way to install is to run go get -u golang.org/x/crypto/.... You
can also manually git clone the repository to $GOPATH/src/golang.org/x/crypto.
Report Issues / Send Patches
This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.
The main issue tracker for the crypto repository is located at https://github.com/golang/go/issues. Prefix your issue with "x/crypto:" in the subject line, so it is easy to find.
Note that contributions to the cryptography package receive additional scrutiny due to their sensitive nature. Patches may take longer than normal to receive feedback.
Directories
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| Path | Synopsis |
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Package acme provides an implementation of the Automatic Certificate Management Environment (ACME) spec, most famously used by Let's Encrypt.
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Package acme provides an implementation of the Automatic Certificate Management Environment (ACME) spec, most famously used by Let's Encrypt. |
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autocert
Package autocert provides automatic access to certificates from Let's Encrypt and any other ACME-based CA.
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Package autocert provides automatic access to certificates from Let's Encrypt and any other ACME-based CA. |
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autocert/internal/acmetest
Package acmetest provides types for testing acme and autocert packages.
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Package acmetest provides types for testing acme and autocert packages. |
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internal/acmeprobe
The acmeprober program runs against an actual ACME CA implementation.
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The acmeprober program runs against an actual ACME CA implementation. |
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Package argon2 implements the key derivation function Argon2.
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Package argon2 implements the key derivation function Argon2. |
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Package bcrypt implements Provos and Mazières's bcrypt adaptive hashing algorithm.
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Package bcrypt implements Provos and Mazières's bcrypt adaptive hashing algorithm. |
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Package blake2b implements the BLAKE2b hash algorithm defined by RFC 7693 and the extendable output function (XOF) BLAKE2Xb.
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Package blake2b implements the BLAKE2b hash algorithm defined by RFC 7693 and the extendable output function (XOF) BLAKE2Xb. |
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Package blake2s implements the BLAKE2s hash algorithm defined by RFC 7693 and the extendable output function (XOF) BLAKE2Xs.
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Package blake2s implements the BLAKE2s hash algorithm defined by RFC 7693 and the extendable output function (XOF) BLAKE2Xs. |
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Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
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Package blowfish implements Bruce Schneier's Blowfish encryption algorithm. |
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Package bn256 implements a particular bilinear group.
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Package bn256 implements a particular bilinear group. |
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Package cast5 implements CAST5, as defined in RFC 2144.
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Package cast5 implements CAST5, as defined in RFC 2144. |
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Package chacha20 implements the ChaCha20 and XChaCha20 encryption algorithms as specified in RFC 8439 and draft-irtf-cfrg-xchacha-01.
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Package chacha20 implements the ChaCha20 and XChaCha20 encryption algorithms as specified in RFC 8439 and draft-irtf-cfrg-xchacha-01. |
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Package chacha20poly1305 implements the ChaCha20-Poly1305 AEAD and its extended nonce variant XChaCha20-Poly1305, as specified in RFC 8439 and draft-irtf-cfrg-xchacha-01.
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Package chacha20poly1305 implements the ChaCha20-Poly1305 AEAD and its extended nonce variant XChaCha20-Poly1305, as specified in RFC 8439 and draft-irtf-cfrg-xchacha-01. |
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Package cryptobyte contains types that help with parsing and constructing length-prefixed, binary messages, including ASN.1 DER.
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Package cryptobyte contains types that help with parsing and constructing length-prefixed, binary messages, including ASN.1 DER. |
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asn1
Package asn1 contains supporting types for parsing and building ASN.1 messages with the cryptobyte package.
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Package asn1 contains supporting types for parsing and building ASN.1 messages with the cryptobyte package. |
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Package curve25519 provides an implementation of the X25519 function, which performs scalar multiplication on the elliptic curve known as Curve25519.
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Package curve25519 provides an implementation of the X25519 function, which performs scalar multiplication on the elliptic curve known as Curve25519. |
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internal/field
Package field implements fast arithmetic modulo 2^255-19.
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Package field implements fast arithmetic modulo 2^255-19. |
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Package ed25519 implements the Ed25519 signature algorithm.
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Package ed25519 implements the Ed25519 signature algorithm. |
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Package hkdf implements the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as defined in RFC 5869.
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Package hkdf implements the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as defined in RFC 5869. |
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internal
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alias
Package alias implements memory aliasing tests.
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Package alias implements memory aliasing tests. |
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poly1305
Package poly1305 implements Poly1305 one-time message authentication code as specified in https://cr.yp.to/mac/poly1305-20050329.pdf.
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Package poly1305 implements Poly1305 one-time message authentication code as specified in https://cr.yp.to/mac/poly1305-20050329.pdf. |
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wycheproof/internal/dsa
Package dsa provides an internal version of dsa.Verify that is used for the Wycheproof tests.
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Package dsa provides an internal version of dsa.Verify that is used for the Wycheproof tests. |
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Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
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Package md4 implements the MD4 hash algorithm as defined in RFC 1320. |
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nacl
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auth
Package auth authenticates a message using a secret key.
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Package auth authenticates a message using a secret key. |
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box
Package box authenticates and encrypts small messages using public-key cryptography.
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Package box authenticates and encrypts small messages using public-key cryptography. |
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secretbox
Package secretbox encrypts and authenticates small messages.
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Package secretbox encrypts and authenticates small messages. |
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sign
Package sign signs small messages using public-key cryptography.
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Package sign signs small messages using public-key cryptography. |
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Package ocsp parses OCSP responses as specified in RFC 2560.
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Package ocsp parses OCSP responses as specified in RFC 2560. |
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Package openpgp implements high level operations on OpenPGP messages.
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Package openpgp implements high level operations on OpenPGP messages. |
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armor
Package armor implements OpenPGP ASCII Armor, see RFC 4880.
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Package armor implements OpenPGP ASCII Armor, see RFC 4880. |
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clearsign
Package clearsign generates and processes OpenPGP, clear-signed data.
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Package clearsign generates and processes OpenPGP, clear-signed data. |
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elgamal
Package 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.
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Package 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. |
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errors
Package errors contains common error types for the OpenPGP packages.
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Package errors contains common error types for the OpenPGP packages. |
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packet
Package packet implements parsing and serialization of OpenPGP packets, as specified in RFC 4880.
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Package packet implements parsing and serialization of OpenPGP packets, as specified in RFC 4880. |
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s2k
Package s2k implements the various OpenPGP string-to-key transforms as specified in RFC 4800 section 3.7.1.
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Package s2k implements the various OpenPGP string-to-key transforms as specified in RFC 4800 section 3.7.1. |
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Package otr implements the Off The Record protocol as specified in http://www.cypherpunks.ca/otr/Protocol-v2-3.1.0.html
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Package otr implements the Off The Record protocol as specified in http://www.cypherpunks.ca/otr/Protocol-v2-3.1.0.html |
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Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.
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Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0. |
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Package pkcs12 implements some of PKCS#12.
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Package pkcs12 implements some of PKCS#12. |
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internal/rc2
Package rc2 implements the RC2 cipher
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Package rc2 implements the RC2 cipher |
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Package poly1305 implements Poly1305 one-time message authentication code as specified in https://cr.yp.to/mac/poly1305-20050329.pdf.
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Package poly1305 implements Poly1305 one-time message authentication code as specified in https://cr.yp.to/mac/poly1305-20050329.pdf. |
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Package ripemd160 implements the RIPEMD-160 hash algorithm.
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Package ripemd160 implements the RIPEMD-160 hash algorithm. |
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Package salsa20 implements the Salsa20 stream cipher as specified in https://cr.yp.to/snuffle/spec.pdf.
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Package salsa20 implements the Salsa20 stream cipher as specified in https://cr.yp.to/snuffle/spec.pdf. |
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salsa
Package salsa provides low-level access to functions in the Salsa family.
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Package salsa provides low-level access to functions in the Salsa family. |
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Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf).
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Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf). |
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Package sha3 implements the SHA-3 fixed-output-length hash functions and the SHAKE variable-output-length hash functions defined by FIPS-202.
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Package sha3 implements the SHA-3 fixed-output-length hash functions and the SHAKE variable-output-length hash functions defined by FIPS-202. |
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Package ssh implements an SSH client and server.
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Package ssh implements an SSH client and server. |
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agent
Package agent implements the ssh-agent protocol, and provides both a client and a server.
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Package agent implements the ssh-agent protocol, and provides both a client and a server. |
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internal/bcrypt_pbkdf
Package bcrypt_pbkdf implements bcrypt_pbkdf(3) from OpenBSD.
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Package bcrypt_pbkdf implements bcrypt_pbkdf(3) from OpenBSD. |
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knownhosts
Package knownhosts implements a parser for the OpenSSH known_hosts host key database, and provides utility functions for writing OpenSSH compliant known_hosts files.
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Package knownhosts implements a parser for the OpenSSH known_hosts host key database, and provides utility functions for writing OpenSSH compliant known_hosts files. |
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terminal
Package terminal provides support functions for dealing with terminals, as commonly found on UNIX systems.
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Package terminal provides support functions for dealing with terminals, as commonly found on UNIX systems. |
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test
Package test contains integration tests for the golang.org/x/crypto/ssh package.
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Package test contains integration tests for the golang.org/x/crypto/ssh package. |
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Package tea implements the TEA algorithm, as defined in Needham and Wheeler's 1994 technical report, “TEA, a Tiny Encryption Algorithm”.
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Package tea implements the TEA algorithm, as defined in Needham and Wheeler's 1994 technical report, “TEA, a Tiny Encryption Algorithm”. |
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Package twofish implements Bruce Schneier's Twofish encryption algorithm.
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Package twofish implements Bruce Schneier's Twofish encryption algorithm. |
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x509roots
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nss
Package nss provides functionality for parsing NSS certdata.txt formatted certificate lists and extracting serverAuth roots.
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Package nss provides functionality for parsing NSS certdata.txt formatted certificate lists and extracting serverAuth roots. |
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fallback
Module
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Package xtea implements XTEA encryption, as defined in Needham and Wheeler's 1997 technical report, "Tea extensions."
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Package xtea implements XTEA encryption, as defined in Needham and Wheeler's 1997 technical report, "Tea extensions." |
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Package xts implements the XTS cipher mode as specified in IEEE P1619/D16.
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Package xts implements the XTS cipher mode as specified in IEEE P1619/D16. |
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