从代码到实现int m[65],m1[65],k[65],i,k0[57],C[57]; int C0[29],D0[29],C1[29],D1[29],C2[29],D2[29],C3[29],D3[29],C4[29],D4[29],C5[29],D5[29],C6[29],D6[29],C7[29],D7[29],C8[29],D8[29],C9[29],D9[29],C10[29],D10[29],C11[29],D11[29],C12[29],D12[29],C13[29],D13[
This has been a descr iption of how to use the DES algorithm to encrypt one 64-bit block. To decrypt, use the same process, but just use the keys K[i] in reverse order. That is, instead of applying K[1] for the first iteration, apply K[16], and then