26 lines
441 B
Go
26 lines
441 B
Go
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package app
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import (
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"crypto/rand"
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"encoding/binary"
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"github.com/pkg/errors"
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)
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type cryptoSource struct{}
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func (s cryptoSource) Seed(seed int64) {}
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func (s cryptoSource) Int63() int64 {
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return int64(s.Uint64() & ^uint64(1<<63))
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}
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func (s cryptoSource) Uint64() (v uint64) {
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err := binary.Read(rand.Reader, binary.BigEndian, &v)
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if err != nil {
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panic(errors.Wrap(err, "could not read number for random source"))
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}
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return v
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}
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