ENGINE public‐key method handler: list supported NIDs or return an EVP_PKEY_METHOD.

Synopsis

Declared in <openssl/engine.h>

typedef int(* ENGINE_PKEY_METHS_PTR)(ENGINE*, EVP_PKEY_METHOD**, int const**, int);

Return Value

Number of NIDs when listing, 1 when a method is returned, or 0 on failure.

Parameters

Name

Description

e

ENGINE being queried (first parameter of the callback).

pmeth

When non‐NULL, receives the EVP_PKEY_METHOD for the requested NID.

nids

When pmeth is NULL, receives the array of supported NIDs.

nid

NID to look up when pmeth is non‐NULL.

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