wehub-resource-sync
39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
// Copyright 2024 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package auth
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import (
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crptorand "crypto/rand"
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mathrand "math/rand"
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"github.com/dolthub/doltgresql/server/auth/rfc5802"
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)
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// GenerateRandomOctetString generates an OctetString filled with random bytes.
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func GenerateRandomOctetString(length int) rfc5802.OctetString {
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if length <= 0 {
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return nil
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}
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str := make(rfc5802.OctetString, length)
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_, err := crptorand.Read(str)
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if err != nil {
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// If crypto/rand errors for some reason, we'll use the non-cryptographic version since it will never error.
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// Considering this is used for salts, etc. it is fine to use the non-cryptographic version. We still prefer
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// the other though, this is just backup.
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_, _ = mathrand.Read(str) //lint:ignore SA1019 Intentional usage
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}
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return str
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}
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