* key = kSecTrustSettingsApplication value = application as CFData
* key = kSecTrustSettingsPolicyString value = CFString, policy-specific
* key = kSecTrustSettingsAllowedError value = CFNumber, an SInt32 CSSM_RETURN
* key = kSecTrustSettingsApplication value = application as CFData
* key = kSecTrustSettingsPolicyString value = CFString, policy-specific
* key = kSecTrustSettingsAllowedError value = CFNumber, an SInt32 CSSM_RETURN