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package crypto
// KeyGenerationBuilder allows to configure a key generation handle to generate OpenPGP keys.
type KeyGenerationBuilder struct {
handle *keyGenerationHandle
defaultClock Clock
}
func newKeyGenerationBuilder(profile KeyGenerationProfile, clock Clock) *KeyGenerationBuilder {
return &KeyGenerationBuilder{
handle: defaultKeyGenerationHandle(profile, clock),
defaultClock: clock,
}
}
// GenerationTime sets the key generation time to the given unixTime.
func (kgb *KeyGenerationBuilder) GenerationTime(unixTime int64) *KeyGenerationBuilder {
kgb.handle.clock = NewConstantClock(unixTime)
return kgb
}
// Lifetime sets the key lifetime to the given value in seconds.
// The lifetime defaults to zero i.e., infinite lifetime.
func (kgb *KeyGenerationBuilder) Lifetime(seconds int32) *KeyGenerationBuilder {
kgb.handle.keyLifetimeSecs = uint32(seconds)
return kgb
}
// AddUserId adds the provided user identity to any generated key.
func (kgb *KeyGenerationBuilder) AddUserId(name, email string) *KeyGenerationBuilder {
kgb.handle.identities = append(kgb.handle.identities, identity{name, "", email})
return kgb
}
// OverrideProfileAlgorithm allows to override the algorithm of the output key instead of using the profile's
// algorithm with the respective security level.
//
// Allowed inputs (integer enum for go-mobile compatibility):
// crypto.KeyGenerationRSA4096, crypto.KeyGenerationC25519, crypto.KeyGenerationC25519Refresh
// crypto.KeyGenerationC448, crypto.KeyGenerationC448Refresh.
func (kgb *KeyGenerationBuilder) OverrideProfileAlgorithm(algorithm int) *KeyGenerationBuilder {
kgb.handle.overrideAlgorithm = algorithm
return kgb
}
// New creates a new key generation handle from the internal configuration
// that allows to generate pgp keys.
func (kgb *KeyGenerationBuilder) New() PGPKeyGeneration {
handle := kgb.handle
kgb.handle = defaultKeyGenerationHandle(kgb.handle.profile, kgb.defaultClock)
return handle
}
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