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18 lines
391 B
18 lines
391 B
3 years ago
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package crypto
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import (
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"encoding/binary"
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"github.com/go-faster/xor"
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"github.com/gotd/td/bin"
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)
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// ServerSalt computes server salt.
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func ServerSalt(newNonce bin.Int256, serverNonce bin.Int128) (salt int64) {
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var serverSalt [8]byte
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copy(serverSalt[:], newNonce[:8])
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xor.Bytes(serverSalt[:], serverSalt[:], serverNonce[:8])
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return int64(binary.LittleEndian.Uint64(serverSalt[:]))
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}
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