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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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22
crypto/keyring.go
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@ -114,6 +114,28 @@ func (keyRing *KeyRing) GetIdentities() []*Identity {
return identities
}
// CanVerify returns true if any of the keys in the keyring can be used for verification.
func (keyRing *KeyRing) CanVerify() bool {
keys := keyRing.GetKeys()
for _, key := range keys {
if key.CanVerify() {
return true
}
}
return false
}
// CanEncrypt returns true if any of the keys in the keyring can be used for encryption.
func (keyRing *KeyRing) CanEncrypt() bool {
keys := keyRing.GetKeys()
for _, key := range keys {
if key.CanEncrypt() {
return true
}
}
return false
}
// GetKeyIDs returns array of IDs of keys in this KeyRing.
func (keyRing *KeyRing) GetKeyIDs() []uint64 {
var res = make([]uint64, len(keyRing.entities))