key: 000102030405060708090A0B0C0D0E0F lastkey: 13111D7FE3944A17F307A78B4D2B30C5 initvector: 02000047000A1606010D3A4803000000 plaintext: 00FFFFFFFFFFFFFFFFFFFFFFFF0080FFFFFFFF000080FFFFFFFFFF020000000000000000000000000000000000000002010000008064436443008000807A6443 ciphertext(atxmega128a1-AES-CBC): 602CE42063DFC0C57A3D452E93CB13665CB0A49BDB2C5A64E8033E793E23FCBAAB3A751B00B7890BB8FABF38351E0F2A76C207969763B4D79FC977CF2CD05298 decrypt((atxmega128a1-AES-CBC): 00FFFFFFFFFFFFFFFFFFFFFFFF0080FFFFFFFF000080FFFFFFFFFF020000000000000000000000000000000000000002010000008064436443008000807A6443 decrypt with online-aes-calculator(http://www.cryptogrium.com/aes-c...): 00ffffffffffffffffffffbac60080ffffffff000080ffffffffff020000000000000000000000000000000000000002010000008064436443008000807a6443 I encrypt the plaintext,then decrypt the ciphertext with the xmega AES engine,the decrypt result is same as plaintext. But when I use online AES calculator(http://www.cryptogrium.com/aes-c...) to decrypt the ciphertext(is encrypted by xmage engine), two bytes(12th,13th)of the result(64 bytes) is not same,why?