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Add methods to get key capabilities (#125)

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* Add methods to get key capabilities

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Use correct indetity to check for flags

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Fix lint

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Remove CanCertify and update CanSign to use SigningKey

Signed-off-by: GitHub <noreply@github.com>

* keyring: implement CanSign and CanEncrypt

Signed-off-by: GitHub <noreply@github.com>

* key/keyring: add tests for key capabilities

Signed-off-by: GitHub <noreply@github.com>

* Apply suggestions from code review

Renames CanSign to CanVerify and adds an extended test for public-only keys to confirm CanVerify is true for them.

Co-authored-by: wussler <aron@wussler.it>

Co-authored-by: Harsh Shandilya <me@msfjarvis.dev>
Co-authored-by: wussler <aron@wussler.it>
This commit is contained in:
Aditya Wasan 2021-04-09 16:02:10 +05:30 • committed by GitHub
parent 80b9a7aca2
commit 3dd1711707
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 58 additions and 0 deletions
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12
crypto/key.go
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@ -251,6 +251,18 @@ func (key *Key) GetPublicKey() (b []byte, err error) {
// --- Key object properties
// CanVerify returns true if any of the subkeys can be used for verification.
func (key *Key) CanVerify() bool {
_, canVerify := key.entity.SigningKey(getNow())
return canVerify
}
// CanEncrypt returns true if any of the subkeys can be used for encryption.
func (key *Key) CanEncrypt() bool {
_, canEncrypt := key.entity.EncryptionKey(getNow())
return canEncrypt
}
// IsExpired checks whether the key is expired.
func (key *Key) IsExpired() bool {
_, ok := key.entity.EncryptionKey(getNow())