43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
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package helper
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import (
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"github.com/ProtonMail/gopenpgp/crypto"
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)
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type ExplicitVerifyMessage struct {
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Message *crypto.PlainMessage
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SignatureVerificationError *crypto.SignatureVerificationError
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}
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// DecryptVerifyMessageArmored decrypts an armored PGP message given a private key and its passphrase
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// and verifies the embedded signature.
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// Returns the plain data or an error on signature verification failure.
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func DecryptExplicitVerify(
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pgpMessage *crypto.PGPMessage,
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privateKeyRing, publicKeyRing *crypto.KeyRing,
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verifyTime int64,
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) (*ExplicitVerifyMessage, error) {
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var explicitVerify *ExplicitVerifyMessage
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message, err := privateKeyRing.Decrypt(pgpMessage, publicKeyRing, verifyTime);
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if err != nil {
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castedErr, isType := err.(crypto.SignatureVerificationError)
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if !isType {
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return nil, err
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}
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explicitVerify = &ExplicitVerifyMessage{
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Message: message,
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SignatureVerificationError: &castedErr,
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}
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} else {
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explicitVerify = &ExplicitVerifyMessage{
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Message: message,
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SignatureVerificationError: nil,
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}
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}
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return explicitVerify, nil
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}
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