Perform the AES decryption.
[O] = NL_S_AESDecryption(S,I)
AES structure with s-boxes, expanded key, etc.
Plain text.
Cipher text.
NL_S_AESDecryption performs the decryption of the cipher text I into the plain text O in respect with the AES algorithm (WIKIPEDIA).
//128 bits key128h={'2b','7e','15','16','28','ae','d2','a6','ab','f7','15','88','09','cf','4f','3c'};//16 bytes key128=hex2dec(key128h); [s128]=NL_S_AESInitialization(key128);//initialization of the structure inh={'32','43','f6','a8','88','5a','30','8d','31','31','98','a2','e0','37','07','34'};//plain text in=hex2dec(inh);//decimal //encryption [out]=NL_S_AESEncryption(s128,in);//encryption outh=dec2hex(out);//decimal [ino]=NL_S_AESDecryption(s128,out);//application of NL_S_AESDecryption inoh=dec2hex(ino);//decimal [in;out;ino] [inh;outh;inoh] | ![]() | ![]() |