PEM to vkey for MTC#1068
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| oid/1.3.6.1.4.1.44363.47.1.11129.11.99.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 | ||
| ``` | ||
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| The `vkey` is the final (very long) line |
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| The `vkey` is the final (very long) line | |
| The `vkey` is the final (very long) line. |
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| pub := crt.RawSubjectPublicKeyInfo[22:] | ||
| if l := len(pub); l != 1312 { | ||
| exit("Invalid public key length %d, expected 1312", l) | ||
| } |
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This is some magical code. We can either add some code comment to explain what it does or use the "encoding/asn1" or "golang.org/x/crypto/cryptobyte" package.
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I did say it was hacky :)
Ok, parsed out the algo and verified that it's ML-DSA-44.
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| der, _ := pem.Decode(c) | ||
| crt, err := x509.ParseCertificate(der.Bytes) |
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If der from pem.Decode is nil, it will trigger a nil pointer dereference panic.
| } | ||
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| func exit(m string, a ...any) { | ||
| fmt.Printf(m, a...) |
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The string printed here will get into the shell prompt line. Add a \n?
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This PR contains a quickly hacked-up tool for converting an X.509 PEM cert containing MTC CA IDs to a
vkeyfor use with the mtc mirror.Towards #945