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[ckks]: arbitrary precision

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This commit is contained in:
Jean-Philippe Bossuat
2023-03-05 21:21:49 +01:00
committed by Jean-Philippe
parent bccf15acbf
commit 62a2f998b2
62 changed files with 4548 additions and 2964 deletions
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9
utils/sampling/prng.go
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@@ -44,6 +44,15 @@ func NewPRNG() (*KeyedPRNG, error) {
return prng, err
}
// Key returns a copy of the key used to seed the PRNG.
// This value can be used with `NewKeyedPRNG` to instantiate
// a new PRNG that will produce the same stream of bytes.
func (prng *KeyedPRNG) Key() (key []byte) {
key = make([]byte, len(prng.key))
copy(key, prng.key)
return
}
// Read reads bytes from the KeyedPRNG on sum.
func (prng *KeyedPRNG) Read(sum []byte) (n int, err error) {
if n, err = prng.xof.Read(sum); err != nil {