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93 lines
2.8 KiB
Plaintext
93 lines
2.8 KiB
Plaintext
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zmq_curve(7)
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============
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NAME
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----
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zmq_curve - secure authentication and confidentiality
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SYNOPSIS
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--------
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The CURVE mechanism defines a mechanism for secure authentication and
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confidentiality for communications between a client and a server. CURVE
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is intended for use on public networks. The CURVE mechanism is defined
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by this document: <http://rfc.zeromq.org/spec:25>.
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CLIENT AND SERVER ROLES
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-----------------------
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A socket using CURVE can be either client or server, at any moment, but
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not both. The role is independent of bind/connect direction.
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A socket can change roles at any point by setting new options. The role
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affects all zmq_connect and zmq_bind calls that follow it.
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To become a CURVE server, the application sets the ZMQ_CURVE_SERVER option
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on the socket, and then sets the ZMQ_CURVE_SECRETKEY option to provide the
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socket with its long-term secret key. The application does not provide the
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socket with its long-term public key, which is used only by clients.
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To become a CURVE client, the application sets the ZMQ_CURVE_SERVERKEY
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option with the long-term public key of the server it intends to connect
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to, or accept connections from, next. The application then sets the
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ZMQ_CURVE_PUBLICKEY and ZMQ_CURVE_SECRETKEY options with its client
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long-term key pair.
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If the server does authentication it will be based on the client's long
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term public key.
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KEY ENCODING
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------------
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The standard representation for keys in source code is either 32 bytes of
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base 256 (binary) data, or 40 characters of base 85 data encoded using the
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Z85 algorithm defined by http://rfc.zeromq.org/spec:32.
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The Z85 algorithm is designed to produce printable key strings for use in
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configuration files, the command line, and code. There is a reference
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implementation in C at https://github.com/zeromq/rfc/tree/master/src.
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TEST KEY VALUES
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---------------
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For test cases, the client shall use this long-term key pair (specified
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as hexadecimal and in Z85):
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----
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public:
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BB88471D65E2659B30C55A5321CEBB5AAB2B70A398645C26DCA2B2FCB43FC518
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Yne@$w-vo<fVvi]a<NY6T1ed:M$fCG*[IaLV{hID
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secret:
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7BB864B489AFA3671FBE69101F94B38972F24816DFB01B51656B3FEC8DFD0888
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D:)Q[IlAW!ahhC2ac:9*A}h:p?([4%wOTJ%JR%cs
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----
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And the server shall use this long-term key pair (specified as hexadecimal
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and in Z85):
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----
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public:
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54FCBA24E93249969316FB617C872BB0C1D1FF14800427C594CBFACF1BC2D652
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rq:rM>}U?@Lns47E1%kR.o@n%FcmmsL/@{H8]yf7
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secret:
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8E0BDD697628B91D8F245587EE95C5B04D48963F79259877B49CD9063AEAD3B7
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JTKVSB%%)wK0E.X)V>+}o?pNmC{O&4W4b!Ni{Lh6
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----
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SEE ALSO
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--------
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linkzmq:zmq_z85_encode[3]
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linkzmq:zmq_z85_decode[3]
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linkzmq:zmq_setsockopt[3]
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linkzmq:zmq_null[7]
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linkzmq:zmq_plain[7]
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linkzmq:zmq[7]
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AUTHORS
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-------
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This page was written by the 0MQ community. To make a change please
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read the 0MQ Contribution Policy at <http://www.zeromq.org/docs:contributing>.
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