infosave2007
20 lines
498 B
PHP
20 lines
498 B
PHP
<?php
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$priv = getenv('WG_PRIV_B64') ?: '';
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$priv = trim($priv);
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$raw = base64_decode($priv, true);
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if ($raw === false) {
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fwrite(STDERR, "invalid_base64\n");
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exit(2);
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}
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echo "raw_len=" . strlen($raw) . "\n";
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if (strlen($raw) !== 32) {
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fwrite(STDERR, "invalid_length\n");
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exit(3);
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}
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if (!function_exists('sodium_crypto_scalarmult_base')) {
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fwrite(STDERR, "libsodium_missing\n");
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exit(4);
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}
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$pub = sodium_crypto_scalarmult_base($raw);
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echo "pub=" . base64_encode($pub) . "\n";
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