RC4_set_key
RC4_set_key(&rc4_ks, 16, key16);
RC4_set_key(&test(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx),
RC4_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), key);
RC4_set_key(&key->ks, EVP_CIPHER_CTX_key_length(ctx), inkey);
void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data);
RC4_set_key(&k, 8, key);
RC4_set_key(&k, klen+3, seed);
RC4_set_key(&k, klen+3, seed);
RC4_set_key(&RC4Key, mp->keylen, InterimKey);
RC4_set_key(&mop->rc4key, mop->keylen, mop->sesskey);
RC4_set_key(&mip->rc4key, mip->keylen, mip->sesskey);
RC4_set_key(&mip->rc4key, mip->keylen, mip->sesskey);
RC4_set_key(&mop->rc4key, mop->keylen, mop->sesskey);