EVP_CIPHER_CTX_rand_key

Generate a random key suitable for the cipher currently set on ctx.

Synopsis

Declared in <openssl/evp.h>

int
EVP_CIPHER_CTX_rand_key(
    EVP_CIPHER_CTX* ctx,
    unsigned char* key);

Return Value

1 on success, or 0 on failure.

Parameters

NameDescription
ctxCipher context whose algorithm determines the key length.
keyBuffer receiving the generated key (at least EVP_CIPHER_CTX_get_key_length() bytes).