| Scott Baker | 8461e15 | 2019-10-01 14:44:30 -0700 | [diff] [blame] | 1 | package rfc4757 |
| 2 | |
| 3 | import "encoding/binary" |
| 4 | |
| 5 | // UsageToMSMsgType converts Kerberos key usage numbers to Microsoft message type encoded as a little-endian four byte slice. |
| 6 | func UsageToMSMsgType(usage uint32) []byte { |
| 7 | // Translate usage numbers to the Microsoft T numbers |
| 8 | switch usage { |
| 9 | case 3: |
| 10 | usage = 8 |
| 11 | case 9: |
| 12 | usage = 8 |
| 13 | case 23: |
| 14 | usage = 13 |
| 15 | } |
| 16 | // Now convert to bytes |
| 17 | tb := make([]byte, 4) // We force an int32 input so we can't go over 4 bytes |
| 18 | binary.PutUvarint(tb, uint64(usage)) |
| 19 | return tb |
| 20 | } |