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31 lines
668 B
Go
31 lines
668 B
Go
package fairplay
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// https://github.com/easonlin404/ksm/blob/master/ksm.go
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import (
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"github.com/wader/fq/format"
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"github.com/wader/fq/pkg/decode"
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"github.com/wader/fq/pkg/interp"
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)
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func init() {
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interp.RegisterFormat(
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format.Fairplay_SPC,
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&decode.Format{
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Description: "FairPlay Server Playback Context",
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DecodeFn: fairPlaySPCDecode,
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})
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}
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func fairPlaySPCDecode(d *decode.D) any {
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d.FieldU32("version")
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d.FieldRawLen("reserved", 32)
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d.FieldRawLen("iv", 16*8)
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d.FieldRawLen("aes_key_oaep", 128*8)
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d.FieldRawLen("certificate_hash", 20*8)
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payloadLen := d.FieldU32("payload_length")
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d.FieldRawLen("payload", int64(payloadLen)*8)
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return nil
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}
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