Return the length of an algorithm‐specific ID associated with a key context.

Synopsis

Declared in <openssl/evp.h>

int
EVP_PKEY_CTX_get1_id_len(
    EVP_PKEY_CTX* ctx,
    size_t* id_len);

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

ctx

Key context that holds an ID (for example SM2 user id).

id_len

Receives the ID length in bytes.

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