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# QSslError Class Reference
[QtNetwork module]

The QSslError class provides an SSL error. More...

     #include <QSslError>

This class is not part of the Qt GUI Framework Edition.

Note: All functions in this class are reentrant.

This class was introduced in Qt 4.3.

- List of all members, including inherited members

## Public Types

enum | SslError { NoError, UnableToGetIssuerCertificate, UnableToDecryptCertificateSignature, UnableToDecodeIssuerPublicKey, ..., NoSslSupport }

## Public Functions

| QSslError ()
| QSslError ( SslError error )
| QSslError ( SslError error, const QSslCertificate & certificate )
| QSslError ( const QSslError & other )
| ~QSslError ()
QSslCertificate | certificate () const
SslError | error () const
QString | errorString () const
bool | operator!= ( const QSslError & other ) const
QSslError & | operator= ( const QSslError & other )
bool | operator== ( const QSslError & other ) const

## Detailed Description

The QSslError class provides an SSL error.

QSslError provides a simple API for managing errors during QSslSocket's SSL handshake.

See also QSslSocket, QSslCertificate, and QSslCipher.

## Member Type Documentation

### enum QSslError::SslError

Describes all recognized errors that can occur during an SSL handshake.

Constant | Value
--- | ---
`QSslError::NoError` | `0`
`QSslError::UnableToGetIssuerCertificate` | `1`
`QSslError::UnableToDecryptCertificateSignature` | `2`
`QSslError::UnableToDecodeIssuerPublicKey` | `3`
`QSslError::CertificateSignatureFailed` | `4`
`QSslError::CertificateNotYetValid` | `5`
`QSslError::CertificateExpired` | `6`
`QSslError::InvalidNotBeforeField` | `7`
`QSslError::InvalidNotAfterField` | `8`
`QSslError::SelfSignedCertificate` | `9`
`QSslError::SelfSignedCertificateInChain` | `10`
`QSslError::UnableToGetLocalIssuerCertificate` | `11`
`QSslError::UnableToVerifyFirstCertificate` | `12`
`QSslError::CertificateRevoked` | `13`
`QSslError::InvalidCaCertificate` | `14`
`QSslError::PathLengthExceeded` | `15`
`QSslError::InvalidPurpose` | `16`
`QSslError::CertificateUntrusted` | `17`
`QSslError::CertificateRejected` | `18`
`QSslError::SubjectIssuerMismatch` | `19`
`QSslError::AuthorityIssuerSerialNumberMismatch` | `20`
`QSslError::NoPeerCertificate` | `21`
`QSslError::HostNameMismatch` | `22`
`QSslError::UnspecifiedError` | `-1`
`QSslError::NoSslSupport` | `23`

See also QSslError::errorString().

## Member Function Documentation

### QSslError::QSslError ()

Constructs a QSslError object with no error and default certificate.

### QSslError::QSslError ( SslError error )

Constructs a QSslError object. The argument specifies the error that occurred.

### QSslError::QSslError ( SslError error, const QSslCertificate & certificate )

Constructs a QSslError object. The two arguments specify the error that occurred, and which certificate the error relates to.

See also QSslCertificate.

### QSslError::QSslError ( const QSslError & other )

Constructs an identical copy of other.

### QSslError::~QSslError ()

Destroys the QSslError object.

### QSslCertificate QSslError::certificate () const

Returns the certificate associated with this error, or a null certificate if the error does not relate to any certificate.

See also error() and errorString().

### SslError QSslError::error () const

Returns the type of the error.

See also errorString() and certificate().

### QString QSslError::errorString () const

Returns a short localized human-readable description of the error.

See also error() and certificate().

### bool QSslError::operator!= ( const QSslError & other ) const

Returns true if this error is not equal to other; otherwise returns false.

This function was introduced in Qt 4.4.

### QSslError & QSslError::operator= ( const QSslError & other )

Assigns the contents of other to this error.

This function was introduced in Qt 4.4.

### bool QSslError::operator== ( const QSslError & other ) const

Returns true if this error is equal to other; otherwise returns false.

This function was introduced in Qt 4.4.