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golang.org/x/crypto/openpgp/clearsign

package clearsign

v0.0.0 (70a84ac)
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Published: 4 hours ago | License: BSD-3-Clause | Module: golang.org/x/crypto

Overview

Package clearsign generates and processes OpenPGP, clear-signed data. See RFC 4880, section 7.

Clearsigned messages are cryptographically signed, but the contents of the message are kept in plaintext so that it can be read without special tools.

Index

func Encode

func Encode(w io.Writer, privateKey *packet.PrivateKey, config *packet.Config) (plaintext io.WriteCloser, err error)

Encode returns a WriteCloser which will clear-sign a message with privateKey and write it to w. If config is nil, sensible defaults are used.

func EncodeMulti

func EncodeMulti(w io.Writer, privateKeys []*packet.PrivateKey, config *packet.Config) (plaintext io.WriteCloser, err error)

EncodeMulti returns a WriteCloser which will clear-sign a message with all the private keys indicated and write it to w. If config is nil, sensible defaults are used.

type Block

type Block struct {
	Headers          textproto.MIMEHeader // Optional unverified Hash headers
	Plaintext        []byte               // The original message text
	Bytes            []byte               // The signed message
	ArmoredSignature *armor.Block         // The signature block
}

A Block represents a clearsigned message. A signature on a Block can be checked by passing Bytes into openpgp.CheckDetachedSignature.

func Decode

func Decode(data []byte) (b *Block, rest []byte)

Decode finds the first clearsigned message in data and returns it, as well as the suffix of data which remains after the message. Any prefix data is discarded.

If no message is found, or if the message is invalid, Decode returns nil and the whole data slice. The only allowed header type is Hash, and it is not verified against the signature hash.

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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