FPE.fe1Decrypt

Decrypt X from and onto the group Z_n using key and tweak

struct FPE

static

fe1Decrypt

(

const ref BigInt n0

,

const ref BigInt X0

,

in SymmetricKey key

,

const ref Vector!ubyte tweak

)

Parameters

key SymmetricKey: is the key used for encryption
tweak Vector!ubyte: the same tweak used for encryption

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botan constructs fpe_fe1 FPE static functions