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Add build script and fix helper for mobile (#32)

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* update build and fix helper for mobile

* Update readme, changelog and script cleanup

Co-authored-by: wussler <aron@wussler.it>
This commit is contained in:
Yanfeng Zhang 2020-01-06 04:21:44 -08:00 • committed by wussler
parent 54f45d0471
commit 5c496d0505
8 changed files with 242 additions and 90 deletions
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44
helper/helper.go
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@ -184,50 +184,6 @@ func DecryptVerifyMessageArmored(
return message.GetString(), nil
}
// EncryptSignAttachment encrypts an attachment using a detached signature, given a publicKey, a privateKey
// and its passphrase, the filename, and the unencrypted file data.
// Returns keypacket, dataPacket and unarmored (!) signature separate.
func EncryptSignAttachment(
publicKey, privateKey string, passphrase []byte, fileName string, plainData []byte,
) (keyPacket, dataPacket, signature []byte, err error) {
var publicKeyObj, privateKeyObj, unlockedKeyObj *crypto.Key
var publicKeyRing, privateKeyRing *crypto.KeyRing
var packets *crypto.PGPSplitMessage
var signatureObj *crypto.PGPSignature
var binMessage = crypto.NewPlainMessage(plainData)
if publicKeyObj, err = crypto.NewKeyFromArmored(publicKey); err != nil {
return nil, nil, nil, err
}
if publicKeyRing, err = crypto.NewKeyRing(publicKeyObj); err != nil {
return nil, nil, nil, err
}
if privateKeyObj, err = crypto.NewKeyFromArmored(privateKey); err != nil {
return nil, nil, nil, err
}
if unlockedKeyObj, err = privateKeyObj.Unlock(passphrase); err != nil {
return nil, nil, nil, err
}
if privateKeyRing, err = crypto.NewKeyRing(unlockedKeyObj); err != nil {
return nil, nil, nil, err
}
if packets, err = publicKeyRing.EncryptAttachment(binMessage, fileName); err != nil {
return nil, nil, nil, err
}
if signatureObj, err = privateKeyRing.SignDetached(binMessage); err != nil {
return nil, nil, nil, err
}
return packets.GetBinaryKeyPacket(), packets.GetBinaryDataPacket(), signatureObj.GetBinary(), nil
}
// DecryptVerifyAttachment decrypts and verifies an attachment split into the keyPacket, dataPacket
// and an armored (!) signature, given a publicKey, and a privateKey with its passphrase.
// Returns the plain data or an error on signature verification failure.