34     case ValidationError::Code::NO_ERROR:
    35       return os << 
"No error";
    36     case ValidationError::Code::INVALID_SIGNATURE:
    37       return os << 
"Invalid signature";
    38     case ValidationError::Code::NO_SIGNATURE:
    39       return os << 
"Missing signature";
    40     case ValidationError::Code::CANNOT_RETRIEVE_CERT:
    41       return os << 
"Cannot retrieve certificate";
    42     case ValidationError::Code::EXPIRED_CERT:
    43       return os << 
"Certificate expired";
    44     case ValidationError::Code::LOOP_DETECTED:
    45       return os << 
"Loop detected in certification chain";
    46     case ValidationError::Code::MALFORMED_CERT:
    47       return os << 
"Malformed certificate";
    48     case ValidationError::Code::EXCEEDED_DEPTH_LIMIT:
    49       return os << 
"Exceeded validation depth limit";
    50     case ValidationError::Code::INVALID_KEY_LOCATOR:
    51       return os << 
"Key locator violates validation policy";
    52     case ValidationError::Code::POLICY_ERROR:
    53       return os << 
"Validation policy error";
    54     case ValidationError::Code::IMPLEMENTATION_ERROR:
    55       return os << 
"Internal implementation error";
    56     case ValidationError::Code::USER_MIN:
    59   if (code >= ValidationError::Code::USER_MIN) {
    63     return os << 
"Unrecognized error code " << 
to_underlying(code);
    70   os << static_cast<ValidationError::Code>(error.
getCode());
    72     os << 
" (" << error.
getInfo() << 
")";
 
Code
Known validation error code. 
const std::string & getInfo() const
std::ostream & operator<<(std::ostream &os, const AdditionalDescription &desc)
Validation error code and optional detailed error message. 
constexpr std::underlying_type_t< T > to_underlying(T val) noexcept