Fallback when no matching or certificate is found.
Remarks
If this is a function, it is invoked when no matching key or certificate is found. The
function should either return a fallback Signer or reject the promise.
If this is a Signer, it is used when no matching key or certificate is found.
OptionalprefixMatch
prefixMatch?:boolean
Whether to allow prefix match between name argument and subject name.
Default Value
false
Remarks
If false, name argument must equal subject name, key name, or certificate name.
If true, name argument may be a prefix of subject name.
OptionaluseKeyNameKeyLocator
useKeyNameKeyLocator?:boolean
Whether to prefer key name in KeyLocator.
Default Value
false
Remarks
If false, KeyLocator is a certificate name when a non-self-signed certificate exists.
If true, KeyLocator is the key name.
KeyChain.getSigner options.