GCM Test Case #18 (AES-256)
Variable          Value
-------------------------------------------------
K               : feffe9928665731c6d6a8f9467308308
                : feffe9928665731c6d6a8f9467308308
P               : d9313225f88406e5a55909c5aff5269a
                : 86a7a9531534f7da2e4c303d8a318a72
                : 1c3c0c95956809532fcf0e2449a6b525
                : b16aedf5aa0de657ba637b39
A               : feedfacedeadbeeffeedfacedeadbeef
                : abaddad2
IV              : 9313225df88406e555909c5aff5269aa
                : 6a7a9538534f7da1e4c303d2a318a728
                : c3c0c95156809539fcf0e2429a6b5254
                : 16aedbf5a0de6a57a637b39b
H               : acbef20579b4b8ebce889bac8732dad7
N_1             : 0bfe66e2032f195516379f5fb710f987
N_2             : f0631554d11409915feec8f9f5102aba
N_3             : 749b90dda19a1557fd9e9fd31fed1d14
N_4             : 7a6a833f260d848793b327cb07d1b190
0^{64}||len(IV) : 000000000000000000000000000001e0
Y_0             : 0cd953e2140a5976079f8e2406bc8eb4
E(K,Y_0)        : 71b54d092bb0c3d9ba94538d4096e691
X_1             : 5165d242c2592c0a6375e2622cf925d2
X_2             : 8efa30ce83298b85fe71abefc0cdd01d
Y_1             : 0cd953e2140a5976079f8e2406bc8eb5
E(K,Y_1)        : 83bcdd0af41a551452047196ca6b0cba
Y_2             : 0cd953e2140a5976079f8e2406bc8eb6
E(K,Y_2)        : 68151b79baea93c38e149b72e545e186
Y_3             : 0cd953e2140a5976079f8e2406bc8eb7
E(K,Y_3)        : 13fccf22159a4d16026ce5d58c7e99fb
Y_4             : 0cd953e2140a5976079f8e2406bc8eb8
E(K,Y_4)        : 132b64628a031e79fecd050675a64f07
X_3             : e963941cfa8c417bdaa3b3d94ab4e905
X_4             : 2178d7f836e5fa105ce0fdf0fc8f0654
X_5             : bac14eeba3216f966b3e7e011475b832
X_6             : cc9ae9175729a649936e890bd971a8bf
len(A)||len(C)  : 00000000000000a000000000000001e0
GHASH(H,A,C)    : d5ffcf6fc5ac4d69722187421a7f170b
C               : 5a8def2f0c9e53f1f75d7853659e2a20
                : eeb2b22aafde6419a058ab4f6f746bf4
                : 0fc0c3b780f244452da3ebf1c5d82cde
                : a2418997200ef82e44ae7e3f
T               : a44a8266ee1c8eb0c8b5d4cf5ae9f19a