{"record":{"id":"8456adfe36594be8","repo":"slackhq/nebula","slug":"errpublicprivatekeymismatch","errorCode":"ErrPublicPrivateKeyMismatch","errorMessage":"public key and private key are not a pair","messagePattern":"public key and private key are not a pair","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cert/errors.go","lineNumber":20,"sourceCode":"\nimport (\n\t\"errors\"\n\t\"fmt\"\n)\n\nvar (\n\tErrBadFormat                  = errors.New(\"bad wire format\")\n\tErrRootExpired                = errors.New(\"root certificate is expired\")\n\tErrExpired                    = errors.New(\"certificate is expired\")\n\tErrNotCA                      = errors.New(\"certificate is not a CA\")\n\tErrNotSelfSigned              = errors.New(\"certificate is not self-signed\")\n\tErrBlockListed                = errors.New(\"certificate is in the block list\")\n\tErrFingerprintMismatch        = errors.New(\"certificate fingerprint did not match\")\n\tErrSignatureMismatch          = errors.New(\"certificate signature did not match\")\n\tErrInvalidPublicKey           = errors.New(\"invalid public key\")\n\tErrInvalidPrivateKey          = errors.New(\"invalid private key\")\n\tErrPublicPrivateCurveMismatch = errors.New(\"public key does not match private key curve\")\n\tErrPublicPrivateKeyMismatch   = errors.New(\"public key and private key are not a pair\")\n\tErrPrivateKeyEncrypted        = errors.New(\"private key must be decrypted\")\n\tErrCaNotFound                 = errors.New(\"could not find ca for the certificate\")\n\tErrUnknownVersion             = errors.New(\"certificate version unrecognized\")\n\tErrCertPubkeyPresent          = errors.New(\"certificate has unexpected pubkey present\")\n\tErrCurveMismatch              = errors.New(\"certificate curve does not match CA\")\n\n\tErrInvalidPEMBlock                   = errors.New(\"input did not contain a valid PEM encoded block\")\n\tErrInvalidPEMCertificateBanner       = errors.New(\"bytes did not contain a proper certificate banner\")\n\tErrInvalidPEMX25519PublicKeyBanner   = errors.New(\"bytes did not contain a proper X25519 public key banner\")\n\tErrInvalidPEMX25519PrivateKeyBanner  = errors.New(\"bytes did not contain a proper X25519 private key banner\")\n\tErrInvalidPEMEd25519PublicKeyBanner  = errors.New(\"bytes did not contain a proper Ed25519 public key banner\")\n\tErrInvalidPEMEd25519PrivateKeyBanner = errors.New(\"bytes did not contain a proper Ed25519 private key banner\")\n\n\tErrNoPeerStaticKey = errors.New(\"no peer static key was present\")\n\tErrNoPayload       = errors.New(\"provided payload was empty\")\n\n\tErrMissingDetails  = errors.New(\"certificate did not contain details\")\n\tErrEmptySignature  = errors.New(\"empty signature\")","sourceCodeStart":2,"sourceCodeEnd":38,"githubUrl":"https://github.com/slackhq/nebula/blob/dd8f660c0ac37903ec4080ca4d3c861ba9342ceb/cert/errors.go#L2-L38","documentation":"Sentinel error ErrPublicPrivateKeyMismatch returned by certificateV2.VerifyPrivateKey when the curve check passed but the derived public key does not equal the certificate's stored public key: for CURVE25519 the ed25519 private key's Public() is compared to c.publicKey, for P256 the ECDSA public key bytes are compared. It means the supplied private key belongs to a different keypair than the certificate.","triggerScenarios":"Thrown at cert/errors.go:20 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Use the private key that was originally paired with the certificate's public key","Re-issue the certificate from the current private key's derived public key","Check that the correct key file was passed (not another host's or an old key)"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"dd8f660c0ac37903ec4080ca4d3c861ba9342ceb","analyzedAt":"2026-09-03T11:13:55.444Z","contentChangedAt":"2026-09-03T11:13:55.444Z","schemaVersion":2},"datasetVersion":"2026-09-10T17:17:09.494Z"}