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63 lines
1.4 KiB
Plaintext
63 lines
1.4 KiB
Plaintext
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zmq_curve_public(3)
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===================
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NAME
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----
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zmq_curve_public - derive the public key from a private key
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SYNOPSIS
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--------
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*int zmq_curve_public (char *z85_public_key, char *z85_secret_key);*
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DESCRIPTION
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-----------
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The _zmq_curve_public()_ function shall derive the public key from a
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private key. The caller provides two buffers, each at least 41 octets
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large. In z85_secret_key the caller shall provide the private key, and
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the function will store the public key in z85_public_key. The keys are
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encoded using linkzmq:zmq_z85_encode[3].
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RETURN VALUE
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------------
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The _zmq_curve_public()_ function shall return 0 if successful, else it
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shall return `-1` and set 'errno' to one of the values defined below.
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ERRORS
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------
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*ENOTSUP*::
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The libzmq library was not built with cryptographic support (libsodium).
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EXAMPLE
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-------
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.Deriving the public key from a CURVE private key
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----
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char public_key [41];
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char secret_key [41];
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int rc = zmq_curve_keypair (public_key, secret_key);
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assert (rc == 0);
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char derived_public[41];
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rc = zmq_curve_public (derived_public, secret_key);
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assert (rc == 0);
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assert (!strcmp (derived_public, public_key));
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----
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SEE ALSO
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--------
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linkzmq:zmq_z85_decode[3]
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linkzmq:zmq_z85_encode[3]
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linkzmq:zmq_curve_keypair[3]
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linkzmq:zmq_curve[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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