return password return hash( password ) return hash( - PowerPoint PPT Presentation

return password

return hash( password ) • • •

return hash( password, salt ) • • •

return hash( password, salt, cost ) • • • •

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b83546b4 V[i] = H( V[i-1] ), i=0..N-1

b83546b4 b2e2a2f5 V[i] = H( V[i-1] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a V[i] = H( V[i-1] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a ... V[i] = H( V[i-1] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a ... 57500361 V[i] = H( V[i-1] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a ... 57500361 299c689f V[i] = H( V[i-1] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a ... 57500361 299c689f V[i] = H( V[i-1] ), i=0..N-1 X = H( X ⊕ V[ X mod N ] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a ... 57500361 299c689f V[i] = H( V[i-1] ), i=0..N-1 X = H( X ⊕ V[ X mod N ] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a ... 57500361 299c689f V[i] = H( V[i-1] ), i=0..N-1 X = H( X ⊕ V[ X mod N ] ), i=0..N-1

b83546b4 b2e2a2f5 10cbd82a ... 57500361 299c689f V[i] = H( V[i-1] ), i=0..N-1 X = H( X ⊕ V[ X mod N ] ), i=0..N-1

scrypt SMix MFcrypt ROMix PBKDF2 BlockMix HMAC Salsa20/8 SHA-256

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