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

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

Mar 07, 2023 33 likes •505 views

return password return hash( password ) return hash( password, salt ) return hash( password, salt, cost ) b83546b4 V[i] = H( V[i-1] ), i=0..N-1 b83546b4 b2e2a2f5 V[i] = H( V[i-1] ),

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return password

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return hash( password )

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return hash( password, salt )

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return hash( password, salt, cost )

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×

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

b83546b4

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

b83546b4 b2e2a2f5

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

b83546b4 b2e2a2f5 10cbd82a

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

b83546b4 b2e2a2f5 10cbd82a ...

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

b83546b4 b2e2a2f5 10cbd82a ... 57500361

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

b83546b4 b2e2a2f5 10cbd82a ... 57500361 299c689f

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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

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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

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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

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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

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scrypt

MFcrypt

PBKDF2

HMAC

SHA-256

SMix

ROMix

BlockMix

Salsa20/8

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× × ×

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call for submissions (Q1 2013) receive submissions (Q1 2014) analyze security/performance finalists selection (Q3 2014) winners selection (Q2 2015) analyze security/performance

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≈

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