Cipher Block Chaining (CBC): | Electronic Code Book (ECB): | |||
---|---|---|---|---|
P[n] and C[n] are each 64-bits long. | P[n] and C[n] are each 64-bits long. | |||
Encryption: | Decryption: | Encryption: | Decryption: | |
C[0] = E(P[0]^IV) | P[0] = D(C[0])^IV | C[n] = E(P[n]) | P[n] = D(C[n]) | |
C[n] = E(P[n]^C[n-1]) für (n>0) | P[n] = D(C[n])^C[n-1] für (n>0) |