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< > BotCompany Repo | #1001858 // getAuthorOfSignedJava

JavaX fragment (include)

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sbool getAuthorOfSignedJava_debug;
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static S getAuthorOfSignedJava(S signed) {
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  try {
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    L<S> lines = toLines(signed);
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    S authorLine = lines.get(lines.size()-2);
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    S sigLine = lines.get(lines.size()-1);
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    S text = fromLines(lines.subList(0, lines.size()-1));
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    S author = dropPrefixMandatory("// -", authorLine);
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    if (!isComputerID(author)) fail("Not a computer ID: " + author);
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    S publicKey = getPublicKeyOfComputer(author);
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    if (publicKey == null)
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      fail("Computer " + author + " has to publish a public key.");
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    S sig = dropPrefixMandatory("// sig: ", sigLine);
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    if (PKI.verifySignature(PKI.publicKeyFromString(publicKey), PKI.signatureFromString(sig), toUtf8(text)))
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      ret author;
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    else
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      ret null;
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  } catch (RuntimeException e) {
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    ret null;
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  }
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}

Author comment

Began life as a copy of #1001567

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Snippet ID: #1001858
Snippet name: getAuthorOfSignedJava
Eternal ID of this version: #1001858/2
Text MD5: e684873e15f96c99f10790976f95b22e
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2019-01-03 18:18:39
Source code size: 819 bytes / 22 lines
Pitched / IR pitched: No / No
Views / Downloads: 523 / 796
Version history: 1 change(s)
Referenced in: [show references]