EVP_IDEA_KEY
IDEA_ecb_encrypt(in + i, out + i, &EVP_C_DATA(EVP_IDEA_KEY, ctx)->ks);
BLOCK_CIPHER_func_cbc(idea, IDEA, EVP_IDEA_KEY, ks)
BLOCK_CIPHER_func_ofb(idea, IDEA, 64, EVP_IDEA_KEY, ks)
BLOCK_CIPHER_func_cfb(idea, IDEA, 64, EVP_IDEA_KEY, ks)
IDEA_set_encrypt_key(key, &EVP_C_DATA(EVP_IDEA_KEY, ctx)->ks);
IDEA_set_decrypt_key(&tmp, &EVP_C_DATA(EVP_IDEA_KEY, ctx)->ks);