lysann/passforios-gopenpgp
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check if signedkey match with input verifiers

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This commit is contained in:
zhj4478 2018-06-05 14:50:54 -07:00
parent 3a79b43550
commit efc003288c
1 changed files with 35 additions and 24 deletions
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59
message.go
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@ -27,7 +27,7 @@ func (o *OpenPGP) DecryptMessage(encryptedText string, privateKey string, passph
// DecryptMessageBinKey decrypt encrypted message use private key (bytes )
// encryptedText : string armored encrypted
// privateKey : unarmored private use to decrypt message
// privateKey : unarmored private use to decrypt message could be mutiple keys
// passphrase : match with private key to decrypt message
func (o *OpenPGP) DecryptMessageBinKey(encryptedText string, privateKey []byte, passphrase string) (string, error) {
privKey := bytes.NewReader(privateKey)
@ -69,9 +69,9 @@ func (o *OpenPGP) DecryptMessageBinKey(encryptedText string, privateKey []byte,
return string(b), nil
}
// encryptedText string, privateKey string, passphrase string) (string, error)
// decrypt_message_verify_single_key(private_key: string, passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// decrypt_message_verify(passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// DecryptMessageVerifyPrivbinkeys decrypt message and verify the signature
// veriferKey string: armored verifier keys
// privateKey []byte: unarmored private key to decrypt. could be mutiple
func (o *OpenPGP) DecryptMessageVerifyPrivbinkeys(encryptedText string, veriferKey string, privateKeys []byte, passphrase string, verifyTime int64) (*DecryptSignedVerify, error) {
if len(veriferKey) > 0 {
@ -84,16 +84,16 @@ func (o *OpenPGP) DecryptMessageVerifyPrivbinkeys(encryptedText string, veriferK
return o.decryptMessageVerifyAllBin(encryptedText, nil, privateKeys, passphrase, verifyTime)
}
// encryptedText string, privateKey string, passphrase string) (string, error)
// decrypt_message_verify_single_key(private_key: string, passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// decrypt_message_verify(passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// DecryptMessageVerifyBinKeyPrivbinkeys decrypt message and verify the signature
// veriferKey []byte: unarmored verifier keys
// privateKey []byte: unarmored private key to decrypt. could be mutiple
func (o *OpenPGP) DecryptMessageVerifyBinKeyPrivbinkeys(encryptedText string, veriferKey []byte, privateKeys []byte, passphrase string, verifyTime int64) (*DecryptSignedVerify, error) {
return o.decryptMessageVerifyAllBin(encryptedText, veriferKey, privateKeys, passphrase, verifyTime)
}
// encryptedText string, privateKey string, passphrase string) (string, error)
// decrypt_message_verify_single_key(private_key: string, passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// decrypt_message_verify(passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// DecryptMessageVerify decrypt message and verify the signature
// veriferKey string: armored verifier keys
// privateKey string: private to decrypt
func (o *OpenPGP) DecryptMessageVerify(encryptedText string, veriferKey string, privateKey string, passphrase string, verifyTime int64) (*DecryptSignedVerify, error) {
if len(veriferKey) > 0 {
verifierRaw, err := UnArmor(veriferKey)
@ -105,9 +105,9 @@ func (o *OpenPGP) DecryptMessageVerify(encryptedText string, veriferKey string,
return o.DecryptMessageVerifyBinKey(encryptedText, nil, privateKey, passphrase, verifyTime)
}
// encryptedText string, privateKey string, passphrase string) (string, error)
// decrypt_message_verify_single_key(private_key: string, passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// decrypt_message_verify(passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// DecryptMessageVerifyBinKey decrypt message and verify the signature
// veriferKey []byte: unarmored verifier keys
// privateKey string: private to decrypt
func (o *OpenPGP) DecryptMessageVerifyBinKey(encryptedText string, veriferKey []byte, privateKey string, passphrase string, verifyTime int64) (*DecryptSignedVerify, error) {
privateKeyRaw, err := UnArmor(privateKey)
if err != nil {
@ -116,7 +116,7 @@ func (o *OpenPGP) DecryptMessageVerifyBinKey(encryptedText string, veriferKey []
return o.decryptMessageVerifyAllBin(encryptedText, veriferKey, privateKeyRaw, passphrase, verifyTime)
}
// encryptedText string, privateKey string, passphrase string) (string, error)
// decryptMessageVerifyAllBin
// decrypt_message_verify_single_key(private_key: string, passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
// decrypt_message_verify(passphras: string, encrypted : string, signature : string) : decrypt_sign_verify;
func (o *OpenPGP) decryptMessageVerifyAllBin(encryptedText string, veriferKey []byte, privateKey []byte, passphrase string, verifyTime int64) (*DecryptSignedVerify, error) {
@ -143,14 +143,15 @@ func (o *OpenPGP) decryptMessageVerifyAllBin(encryptedText string, veriferKey []
out := &DecryptSignedVerify{}
out.Verify = failed
var verifierEntries openpgp.EntityList
if len(veriferKey) > 0 {
verifierReader := bytes.NewReader(veriferKey)
verifierEnties, err := openpgp.ReadKeyRing(verifierReader)
verifierEntries, err = openpgp.ReadKeyRing(verifierReader)
if err != nil {
return nil, err
}
for _, e := range verifierEnties {
for _, e := range verifierEntries {
privKeyEntries = append(privKeyEntries, e)
}
} else {
@ -184,11 +185,18 @@ func (o *OpenPGP) decryptMessageVerifyAllBin(encryptedText string, veriferKey []
out.Plaintext = string(b)
if md.IsSigned {
if md.SignedBy != nil {
if md.SignatureError == nil {
out.Verify = ok
if verifierEntries != nil {
matches := verifierEntries.KeysById(md.SignedByKeyId)
if len(matches) > 0 {
if md.SignatureError == nil {
out.Verify = ok
} else {
out.Message = md.SignatureError.Error()
out.Verify = failed
}
}
} else {
out.Message = md.SignatureError.Error()
out.Verify = failed
out.Verify = noVerifier
}
} else {
out.Verify = noVerifier
@ -212,7 +220,7 @@ func (o *OpenPGP) EncryptMessage(plainText string, publicKey string, privateKey
return o.EncryptMessageBinKey(plainText, rawPubKey, privateKey, passphrase, trim)
}
// EncryptMessageBinKey encrypt message with public key, if pass private key and passphrase will also sign the message
// EncryptMessageBinKey encrypt message with unarmored public key, if pass private key and passphrase will also sign the message
// publicKey : bytes unarmored public key
// plainText : the input
// privateKey : optional required when you want to sign
@ -268,7 +276,9 @@ func (o *OpenPGP) EncryptMessageBinKey(plainText string, publicKey []byte, priva
return outBuf.String(), nil
}
//EncryptMessageWithPassword ...
//EncryptMessageWithPassword encrypt a plain text to pgp message with a password
//plainText string: clear text
//output string: armored pgp message
func (o *OpenPGP) EncryptMessageWithPassword(plainText string, password string) (string, error) {
var outBuf bytes.Buffer
@ -295,9 +305,10 @@ func (o *OpenPGP) EncryptMessageWithPassword(plainText string, password string)
return outBuf.String(), nil
}
//DecryptMessageWithPassword ...
//DecryptMessageWithPassword decrypt a pgp message with a password
//encrypted string : armored pgp message
//output string : clear text
func (o *OpenPGP) DecryptMessageWithPassword(encrypted string, password string) (string, error) {
encryptedio, err := unArmor(encrypted)
if err != nil {
return "", err