EVP_BytesToKey
ret = EVP_BytesToKey(c, EVP_md5(), ivdata,
if (!EVP_BytesToKey(cipher, dgst, sptr,
if (!EVP_BytesToKey(enc, EVP_md5(), iv, kstr, klen, 1, key, NULL))
if (!EVP_BytesToKey(cipher->cipher, EVP_md5(), &(cipher->iv[0]),
__owur int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,