Return a pointer to the HMAC key material inside an EVP_PKEY (deprecated).

Synopsis

Declared in <openssl/evp.h>

[[deprecated]]
unsigned char const*
EVP_PKEY_get0_hmac(
    EVP_PKEY const* pkey,
    size_t* len);
Warning

Deprecated. Use of this entity is allowed but discouraged.

Return Value

Pointer to the internal key bytes (do not free), or NULL on error.

Parameters

Name

Description

pkey

Key of type EVP_PKEY_HMAC.

len

Receives the key length in bytes.

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