rijndaelKeySetupDec
key->Nr = rijndaelKeySetupDec(key->rk, key->keyMaterial, keyLen);
rijndaelKeySetupDec(ctx->dk, key, bits);
int rijndaelKeySetupDec(uint32_t [/*4*(Nr+1)*/], const uint8_t [], int);
rijndaelKeySetupDec(ses->ses_dkey, key, klen * 8);