Set the elliptic‐curve / DH group name on a key or parameter context.

Synopsis

Declared in <openssl/evp.h>

int
EVP_PKEY_CTX_set_group_name(
    EVP_PKEY_CTX* ctx,
    char const* name);

Return Value

1 on success, or a non‐positive value on failure.

Parameters

Name

Description

ctx

Key context used for keygen/paramgen/derive.

name

Group name (for example "P‐256" or "ffdhe2048").

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