Set the HKDF input keying material (IKM) on a PKEY KDF context.

Synopsis

Declared in <openssl/kdf.h>

int
EVP_PKEY_CTX_set1_hkdf_key(
    EVP_PKEY_CTX* ctx,
    unsigned char const* key,
    int keylen);

Return Value

1 on success, or a negative value on error.

Parameters

Name

Description

ctx

Context configured for the HKDF KDF.

key

Input keying material bytes (copied).

keylen

Length of key in bytes.

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