Create an EVP_PKEY from raw private‐key octets (legacy NID/ENGINE form).

Synopsis

Declared in <openssl/evp.h>

EVP_PKEY*
EVP_PKEY_new_raw_private_key(
    int type,
    ENGINE* e,
    unsigned char const* priv,
    size_t len);

Return Value

New EVP_PKEY, or NULL on failure; free with EVP_PKEY_free().

Parameters

Name

Description

type

Key type NID such as EVP_PKEY_X25519 or EVP_PKEY_ED25519.

e

Optional ENGINE, or NULL (ignored for provider‐only types).

priv

Raw private‐key bytes in the algorithm‐native format.

len

Length of priv in bytes.

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