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Stops as soon as it find a ChangeCipherSpec message since all data from then on is encrypted. :param data: A byte string of TLS records :return: A generator that yields 3-element tuples: [0] Byte string of record type [1] Byte string of protocol version [2] Byte string of record data rrr&Nr'r datar2data_lenlengths r7rrs G4yH H  ! $ / Wq[1 => 1 % 1Wq[ ) 1Wq[61 2  1v: H s A"A'%A'c#Kd}t|}||kr;t||dz|dz}|||dz||dz|dz|zf|d|zz }||kr:yyw)a` Creates a generator returning tuples of information about each message in a byte string of data from a TLS handshake record :param data: A byte string of a TLS handshake record data :return: A generator that yields 2-element tuples: [0] Byte string of message type [1] Byte string of message data rrNrbrcs r7rr#sG4yH H Wq[1 => 1 % 1Wq[61 2   1v: H s A AAc#K|dk(ryt|dd}d}d|z}|}||krFt|||dz}t||dz|dz}|||dz|dz|zf|d|zz }||krEyyw)a Creates a generator returning tuples of information about each extension from a byte string of extension data contained in a ServerHello ores ClientHello message :param data: A byte string of a extension data from a TLS ServerHello or ClientHello message :return: A generator that yields 2-element tuples: [0] Byte string of extension type [1] Byte string of extension data r8Nrr=rh)r )rdextentions_lengthextensions_startextensions_endr2r[extension_lengths r7rQrQ<s  s{&tAay1**NG N "'WWq[(AB)$w{7Q;*GH  1Wq[+;; <   1''' N "s A'A,*A,c<tjd|xs|jddk7}|rd|z}nd|z}d|z}dj|j}dj|j }|r|d|zz }|r|r|d z }|r|d |zz }t ||) z Raises a TLSVerificationError due to a hostname mismatch :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError z^\d+\.\d+\.\d+\.\d+$:z IP address %szdomain name %sz:Server certificate verification failed - %s does not matchz, z valid domains: %sz orz valid IP addresses: %s)rematchfindjoin valid_ips valid_domainsr ) certificatehostnameis_ip hostname_typemessagerurvs r7rr^s HH2H = YsASWYAYE '(2 (83 J]ZG +//0IIIk778M'-775,y88 w 44r8cd}t||)z Raises a generic TLSVerificationError :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError z&Server certificate verification failedr rwr{s r7r!r!zs7G w 44r8cd}t||)z Raises a TLSVerificationError when a certificate uses a weak signature algorithm :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError zMServer certificate verification failed - weak certificate signature algorithmr}r~s r7r"r"s^G w 44r8cd}t|)zg Raises a TLSError indicating client authentication is required :raises: TLSError z5TLS handshake failed - client authentication requiredr)r{s r7rrsFG 7 r8cd}t||)z Raises a TLSVerificationError due to the certificate being revoked :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError zEServer certificate verification failed - certificate has been revokedr}r~s r7rrsVG w 44r8cd}t||)z Raises a TLSVerificationError due to no issuer certificate found in trust roots :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError zgServer certificate verification failed - certificate issuer not found in trusted root certificate storer}r~s r7rrsxG w 44r8cd}t||)z Raises a TLSVerificationError due to a self-signed certificate roots :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError zCServer certificate verification failed - certificate is self-signedr}r~s r7r r sTG w 44r8cd}t||)z Raises a TLSVerificationError due to a certificate lifetime exceeding the CAB forum certificate lifetime limit :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError zIServer certificate verification failed - certificate lifetime is too longr}r~s r7raise_lifetime_too_longrsZG w 44r8c|dd}|dj}|dj}tjtj}||kDr|j d}d|z}n||kr|j d}d|z}t |)z Raises a TLSVerificationError due to certificate being expired, or not yet being valid :param certificate: An asn1crypto.x509.Certificate object :raises: TLSVerificationError tbs_certificatevalidity not_after not_beforez%Y-%m-%d %H:%M:%SZzGServer certificate verification failed - certificate not valid until %sz?Server certificate verification failed - certificate expired %s)nativernowr utcstrftimer )rwrrrrformatted_beforer{formatted_afters r7rrs,-j9H%,,I,'..J ,,x|| $CC%../CD[^nn S#,,-ABSVee w 44r8ctd)ze Raises a TLSDisconnectError due to a disconnection :raises: TLSDisconnectError z$The remote end closed the connection)rr8r7rrs C DDr8cNt|}|rtd|ztd)z Raises a TLSError due to a protocol error :param server_handshake_bytes: A byte string of the handshake data received from the server :raises: TLSError z.TLS protocol error - server responded using %sz@TLS protocol error - server responded using a different protocol)detect_other_protocolr)r*other_protocols r7rr s/++ABNG.XYY U VVr8ctd)zS Raises a TLSError due to a handshake error :raises: TLSError zTLS handshake failedrrr8r7rrs ) **r8ctd)z_ Raises a TLSError due to a TLS version incompatibility :raises: TLSError z-TLS handshake failed - protocol version errorrrr8r7raise_protocol_versionr)s B CCr8ctd)zP Raises a TLSError due to weak DH params :raises: TLSError z)TLS handshake failed - weak DH parametersrrr8r7rr4s > ??r8c|dddk(ry|dddk(r'tjd|tjryy |ddd k(ry|ddd k(ry |ddd k(s|dddk(ryy)a Looks at the server handshake bytes to try and detect a different protocol :param server_handshake_bytes: A byte string of the handshake data received from the server :return: None, or a unicode string of "ftp", "http", "imap", "pop3", "smtp" rrasHTTP/HTTPrhs220 s ^[^ ]*ftpFTPSMTPs220-s+OK POP3s* OK s * PREAUTHIMAPN)rqrrI)r*s r7rr?sa"h.a"g- 88O%;RTT Ba"g-a"g-a"g-1G!1LP\1\ r8)) __future__rrrrrqr_asn1r r r _cipher_suitesr errorsr rr__all__rrrrrrrrQrr!r"rrrr rrrrrrrrrr8r7rsRR 88,FF .%P*>,l^>2(D58 5 5  5 5 5 5 58EW&+D@r8