ZMQ_CURVE_PUBLIC - Online Linux Manual Page

Section : 3
Updated : 01/21/2023
Source : 0MQ 4​.3​.4
Note : 0MQ Manual
NAMEzmq_curve_public − derive the public key from a private key
SYNOPSISint zmq_curve_public (char *z85_public_key, char *z85_secret_key);
DESCRIPTIONThe zmq_curve_public() function shall derive the public key from a private key​. The caller provides two buffers, each at least 41 octets large​. In z85_secret_key the caller shall provide the private key, and the function will store the public key in z85_public_key​. The keys are encoded using zmq_z85_encode(3)​.
RETURN VALUEThe zmq_curve_public() function shall return 0 if successful, else it shall return −1 and set errno to one of the values defined below​.
ERRORSENOTSUP The libzmq library was not built with cryptographic support (libsodium)​.
EXAMPLEDeriving the public key from a CURVE private key. char public_key [41]; char secret_key [41]; int rc = zmq_curve_keypair (public_key, secret_key); assert (rc == 0); char derived_public[41]; rc = zmq_curve_public (derived_public, secret_key); assert (rc == 0); assert (!strcmp (derived_public, public_key));
SEE ALSOzmq_z85_decode(3) zmq_z85_encode(3) zmq_curve_keypair(3) zmq_curve(7)
AUTHORSThis page was written by the 0MQ community​. To make a change please read the 0MQ Contribution Policy at http://www​.zeromq​.org/docs:contributing​. 0
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