Encodes a EC_POINT object to a octet string

Synopsis

Declared in <openssl/ec.h>

size_t
EC_POINT_point2oct(
    EC_GROUP const* group,
    EC_POINT const* p,
    point_conversion_form_t form,
    unsigned char* buf,
    size_t len,
    BN_CTX* ctx);

Return Value

the length of the encoded octet string or 0 if an error occurred

Parameters

Name

Description

group

underlying EC_GROUP object

p

EC_POINT object

form

point conversion form

buf

memory buffer for the result. If NULL the function returns required buffer size.

len

length of the memory buffer

ctx

BN_CTX object (optional)

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