diff options
| -rw-r--r-- | src/crypto/tls/key_agreement.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/crypto/tls/key_agreement.go b/src/crypto/tls/key_agreement.go index 7e6534bd465..22f1b2e1f24 100644 --- a/src/crypto/tls/key_agreement.go +++ b/src/crypto/tls/key_agreement.go @@ -67,7 +67,11 @@ func (ka rsaKeyAgreement) generateClientKeyExchange(config *Config, clientHello return nil, nil, err } - encrypted, err := rsa.EncryptPKCS1v15(config.rand(), cert.PublicKey.(*rsa.PublicKey), preMasterSecret) + rsaKey, ok := cert.PublicKey.(*rsa.PublicKey) + if !ok { + return nil, nil, errors.New("tls: server certificate contains incorrect key type for selected ciphersuite") + } + encrypted, err := rsa.EncryptPKCS1v15(config.rand(), rsaKey, preMasterSecret) if err != nil { return nil, nil, err } |