crypto

package
v1.2.2 Latest Latest
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 Go to latest Published: Dec 8, 2025 License: MIT Imports: 24 Imported by: 0

Documentation

Overview

Package crypto provides comprehensive cryptographic operations including symmetric encryption, asymmetric encryption, digital signatures, and key management. It supports multiple algorithms such as AES, DES, 3DES, Blowfish, Twofish, ChaCha20, Salsa20, RC4, RSA, and Ed25519.

Index

Constants

This section is empty.

Variables

View Source 
var BufferSize = 4096

BufferSize buffer size for streaming (64KB is a good balance)

Functions

This section is empty.

Types

type Decrypter 

type Decrypter struct {
	Error error
	// contains filtered or unexported fields
}

Decrypter defines a Decrypter struct.

func NewDecrypter 

func NewDecrypter() Decrypter

NewDecrypter returns a new Decrypter instance.

func (Decrypter) By3Des 

func (d Decrypter) By3Des(c *cipher.TripleDesCipher) Decrypter

By3Des decrypts by triple des.

func (Decrypter) ByAes 

func (d Decrypter) ByAes(c *cipher.AesCipher) Decrypter

ByAes decrypts by aes.

func (Decrypter) ByBlowfish 

func (d Decrypter) ByBlowfish(c *cipher.BlowfishCipher) Decrypter

ByBlowfish decrypts by blowfish.

func (Decrypter) ByChaCha20 added in v1.1.2 

func (d Decrypter) ByChaCha20(c *cipher.ChaCha20Cipher) Decrypter

ByChaCha20 decrypts by chacha20.

func (Decrypter) ByChaCha20Poly1305 added in v1.1.2 

func (d Decrypter) ByChaCha20Poly1305(c *cipher.ChaCha20Poly1305Cipher) Decrypter

ByChaCha20Poly1305 decrypts by chacha20-poly1305.

func (Decrypter) ByDes 

func (d Decrypter) ByDes(c *cipher.DesCipher) Decrypter

ByDes decrypts by des.

func (Decrypter) ByRc4 

func (d Decrypter) ByRc4(c *cipher.Rc4Cipher) Decrypter

ByRc4 decrypts by rc4.

func (Decrypter) ByRsa 

func (d Decrypter) ByRsa(kp *keypair.RsaKeyPair) Decrypter

ByRsa decrypts by rsa.

func (Decrypter) BySalsa20 added in v1.1.4 

func (d Decrypter) BySalsa20(c *cipher.Salsa20Cipher) Decrypter

BySalsa20 decrypts by salsa20.

func (Decrypter) BySm2 added in v1.2.0 

func (d Decrypter) BySm2(kp *keypair.Sm2KeyPair) Decrypter

BySm2 decrypts by SM2.

func (Decrypter) BySm4 added in v1.1.7 

func (d Decrypter) BySm4(c *cipher.Sm4Cipher) Decrypter

BySm4 decrypts by sm4.

func (Decrypter) ByTea 

func (d Decrypter) ByTea(c *cipher.TeaCipher) Decrypter

ByTea decrypts by tea.

func (Decrypter) ByTwofish added in v1.1.4 

func (d Decrypter) ByTwofish(c *cipher.TwofishCipher) Decrypter

ByTwofish decrypts by twofish.

func (Decrypter) ByXtea added in v1.1.6 

func (d Decrypter) ByXtea(c *cipher.XteaCipher) Decrypter

ByXtea decrypts by xtea.

func (Decrypter) FromBase64Bytes 

func (d Decrypter) FromBase64Bytes(b []byte) Decrypter

FromBase64Bytes decrypts from base64 bytes.

func (Decrypter) FromBase64File 

func (d Decrypter) FromBase64File(f fs.File) Decrypter

FromBase64File decrypts from base64 file.

func (Decrypter) FromBase64String 

func (d Decrypter) FromBase64String(s string) Decrypter

FromBase64String decrypts from base64 string.

func (Decrypter) FromHexBytes 

func (d Decrypter) FromHexBytes(b []byte) Decrypter

FromHexBytes decrypts from hex bytes.

func (Decrypter) FromHexFile 

func (d Decrypter) FromHexFile(f fs.File) Decrypter

FromHexFile decrypts from hex file.

func (Decrypter) FromHexString 

func (d Decrypter) FromHexString(s string) Decrypter

FromHexString decrypts from hex string.

func (Decrypter) FromRawBytes 

func (d Decrypter) FromRawBytes(b []byte) Decrypter

FromRawBytes decrypts from raw bytes.

func (Decrypter) FromRawFile 

func (d Decrypter) FromRawFile(f fs.File) Decrypter

FromRawFile decrypts from raw file.

func (Decrypter) FromRawString 

func (d Decrypter) FromRawString(s string) Decrypter

FromRawString decrypts from raw string.

func (Decrypter) ToBytes 

func (d Decrypter) ToBytes() []byte

ToBytes outputs as byte slice.

func (Decrypter) ToString 

func (d Decrypter) ToString() string

ToString outputs as string.

type Encrypter 

type Encrypter struct {
	Error error
	// contains filtered or unexported fields
}

Encrypter defines a Encrypter struct.

func NewEncrypter 

func NewEncrypter() Encrypter

NewEncrypter returns a new Encrypter instance.

func (Encrypter) By3Des 

func (e Encrypter) By3Des(c *cipher.TripleDesCipher) Encrypter

By3Des encrypts by triple des.

func (Encrypter) ByAes 

func (e Encrypter) ByAes(c *cipher.AesCipher) Encrypter

ByAes encrypts by aes.

func (Encrypter) ByBlowfish 

func (e Encrypter) ByBlowfish(c *cipher.BlowfishCipher) Encrypter

ByBlowfish encrypts by blowfish.

func (Encrypter) ByChaCha20 added in v1.1.2 

func (e Encrypter) ByChaCha20(c *cipher.ChaCha20Cipher) Encrypter

ByChaCha20 encrypts by chacha20.

func (Encrypter) ByChaCha20Poly1305 added in v1.1.2 

func (e Encrypter) ByChaCha20Poly1305(c *cipher.ChaCha20Poly1305Cipher) Encrypter

ByChaCha20Poly1305 encrypts by chacha20-poly1305.

func (Encrypter) ByDes 

func (e Encrypter) ByDes(c *cipher.DesCipher) Encrypter

ByDes encrypts by des.

func (Encrypter) ByRc4 

func (e Encrypter) ByRc4(c *cipher.Rc4Cipher) Encrypter

ByRc4 encrypts by rc4.

func (Encrypter) ByRsa 

func (e Encrypter) ByRsa(kp *keypair.RsaKeyPair) Encrypter

ByRsa encrypts by rsa.

func (Encrypter) BySalsa20 added in v1.1.4 

func (e Encrypter) BySalsa20(c *cipher.Salsa20Cipher) Encrypter

BySalsa20 encrypts by salsa20.

func (Encrypter) BySm2 added in v1.2.0 

func (e Encrypter) BySm2(kp *keypair.Sm2KeyPair) Encrypter

BySm2 encrypts by SM2.

func (Encrypter) BySm4 added in v1.1.7 

func (e Encrypter) BySm4(c *cipher.Sm4Cipher) Encrypter

BySm4 encrypts by sm4.

func (Encrypter) ByTea 

func (e Encrypter) ByTea(c *cipher.TeaCipher) Encrypter

ByTea encrypts by tea.

func (Encrypter) ByTwofish added in v1.1.4 

func (e Encrypter) ByTwofish(c *cipher.TwofishCipher) Encrypter

ByTwofish encrypts by twofish.

func (Encrypter) ByXtea added in v1.1.6 

func (e Encrypter) ByXtea(c *cipher.XteaCipher) Encrypter

ByXtea encrypts by xtea.

func (Encrypter) FromBytes 

func (e Encrypter) FromBytes(b []byte) Encrypter

FromBytes encrypts from byte slice.

func (Encrypter) FromFile 

func (e Encrypter) FromFile(f fs.File) Encrypter

FromFile encrypts from file.

func (Encrypter) FromString 

func (e Encrypter) FromString(s string) Encrypter

FromString encrypts from string.

func (Encrypter) ToBase64Bytes 

func (e Encrypter) ToBase64Bytes() []byte

ToBase64Bytes outputs as base64 byte slice.

func (Encrypter) ToBase64String 

func (e Encrypter) ToBase64String() string

ToBase64String outputs as base64 string.

func (Encrypter) ToHexBytes 

func (e Encrypter) ToHexBytes() []byte

ToHexBytes outputs as hex byte slice.

func (Encrypter) ToHexString 

func (e Encrypter) ToHexString() string

ToHexString outputs as hex string.

func (Encrypter) ToRawBytes 

func (e Encrypter) ToRawBytes() []byte

ToRawBytes outputs as raw byte slice.

func (Encrypter) ToRawString 

func (e Encrypter) ToRawString() string

ToRawString outputs as raw string.

type Signer 

type Signer struct {
	Error error
	// contains filtered or unexported fields
}

Signer defines a Signer struct.

func NewSigner 

func NewSigner() Signer

NewSigner returns a new Signer instance.

func (Signer) ByEd25519 added in v1.1.1 

func (s Signer) ByEd25519(kp *keypair.Ed25519KeyPair) Signer

ByEd25519 signs by ed25519.

func (Signer) ByRsa 

func (s Signer) ByRsa(kp *keypair.RsaKeyPair) Signer

ByRsa signs by rsa.

func (Signer) BySm2 added in v1.2.2 

func (s Signer) BySm2(kp *keypair.Sm2KeyPair) Signer

BySm2 signs by SM2.

func (Signer) FromBytes 

func (s Signer) FromBytes(b []byte) Signer

FromBytes signs from byte slice.

func (Signer) FromFile 

func (s Signer) FromFile(f fs.File) Signer

FromFile signs from file.

func (Signer) FromString 

func (s Signer) FromString(str string) Signer

FromString signs from string.

func (Signer) ToBase64Bytes 

func (s Signer) ToBase64Bytes() []byte

ToBase64Bytes outputs as base64 byte slice.

func (Signer) ToBase64String 

func (s Signer) ToBase64String() string

ToBase64String outputs as base64 string.

func (Signer) ToHexBytes 

func (s Signer) ToHexBytes() []byte

ToHexBytes outputs as hex byte slice.

func (Signer) ToHexString 

func (s Signer) ToHexString() string

ToHexString outputs as hex string.

func (Signer) ToRawBytes 

func (s Signer) ToRawBytes() []byte

ToRawBytes outputs as raw byte slice.

func (Signer) ToRawString 

func (s Signer) ToRawString() string

ToRawString outputs as raw string.

type Verifier 

type Verifier struct {
	Error error
	// contains filtered or unexported fields
}

Verifier defines a Verifier struct.

func NewVerifier 

func NewVerifier() Verifier

NewVerifier returns a new Verifier instance.

func (Verifier) ByEd25519 added in v1.1.1 

func (v Verifier) ByEd25519(kp *keypair.Ed25519KeyPair) Verifier

ByEd25519 verifies by ed25519.

func (Verifier) ByRsa 

func (v Verifier) ByRsa(kp *keypair.RsaKeyPair) Verifier

ByRsa verifies by rsa.

func (Verifier) BySm2 added in v1.2.2 

func (v Verifier) BySm2(kp *keypair.Sm2KeyPair) Verifier

BySm2 verifies by SM2.

func (Verifier) FromBytes 

func (v Verifier) FromBytes(b []byte) Verifier

FromBytes verifies from byte slice.

func (Verifier) FromFile added in v1.1.1 

func (v Verifier) FromFile(f fs.File) Verifier

FromFile verifies from file.

func (Verifier) FromString 

func (v Verifier) FromString(s string) Verifier

FromString verifies from string.

func (Verifier) ToBool 

func (v Verifier) ToBool() bool

ToBool returns true if verification is successful.

func (Verifier) WithBase64Sign added in v1.1.2 

func (v Verifier) WithBase64Sign(s []byte) Verifier

WithBase64Sign verifies with base64 sign.

func (Verifier) WithHexSign added in v1.1.2 

func (v Verifier) WithHexSign(s []byte) Verifier

WithHexSign verifies with hex sign.

func (Verifier) WithRawSign added in v1.1.2 

func (v Verifier) WithRawSign(s []byte) Verifier

WithRawSign verifies with raw sign.

Source Files

  • 3des.go
  • aes.go
  • blowfish.go
  • chacha20.go
  • chacha20poly1305.go
  • crypto.go
  • decrypter.go
  • des.go
  • ed25519.go
  • encryper.go
  • rc4.go
  • rsa.go
  • salsa20.go
  • signer.go
  • sm2.go
  • sm4.go
  • tea.go
  • twofish.go
  • verifier.go
  • xtea.go

Directories

Path Synopsis
Package triple_des implements Triple DES encryption and decryption with streaming support.
 Package triple_des implements Triple DES encryption and decryption with streaming support.
Package aes implements AES encryption and decryption with streaming support.
 Package aes implements AES encryption and decryption with streaming support.
Package blowfish implements Blowfish encryption and decryption with streaming support.
 Package blowfish implements Blowfish encryption and decryption with streaming support.
Package chacha20 implements ChaCha20 encryption and decryption with streaming support.
 Package chacha20 implements ChaCha20 encryption and decryption with streaming support.
Package chacha20poly1305 implements ChaCha20-Poly1305 authenticated encryption and decryption with streaming support.
 Package chacha20poly1305 implements ChaCha20-Poly1305 authenticated encryption and decryption with streaming support.
Package cipher provides cryptographic cipher configuration and base functionality.
 Package cipher provides cryptographic cipher configuration and base functionality.
Package des implements DES encryption and decryption with streaming support.
 Package des implements DES encryption and decryption with streaming support.
Package ed25519 implements ED25519 digital signature generation and verification with streaming support.
 Package ed25519 implements ED25519 digital signature generation and verification with streaming support.
internal
sm2
sm4
Package keypair provides cryptographic key pair management for multiple algorithms.
 Package keypair provides cryptographic key pair management for multiple algorithms.
Package rc4 implements RC4 encryption and decryption with streaming support
 Package rc4 implements RC4 encryption and decryption with streaming support
Package rsa implements RSA encryption, decryption, signing, and verification with streaming support.
 Package rsa implements RSA encryption, decryption, signing, and verification with streaming support.
Package salsa20 implements Salsa20 encryption and decryption with streaming support.
 Package salsa20 implements Salsa20 encryption and decryption with streaming support.
Package sm2 implements SM2 public key encryption, decryption, signing and verification with optional streaming helpers.
 Package sm2 implements SM2 public key encryption, decryption, signing and verification with optional streaming helpers.
Package sm4 implements SM4 encryption and decryption with streaming support.
 Package sm4 implements SM4 encryption and decryption with streaming support.
Package tea implements TEA encryption and decryption with streaming support.
 Package tea implements TEA encryption and decryption with streaming support.
Package twofish implements Twofish encryption and decryption with streaming support.
 Package twofish implements Twofish encryption and decryption with streaming support.
Package xtea implements XTEA encryption and decryption with streaming support.
 Package xtea implements XTEA encryption and decryption with streaming support.

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