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simplify parsePemPrivateKey

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This commit is contained in:
Muki Kiboigo
2026-03-04 05:59:02 -08:00
parent e4b32a1a91
commit 9754c2830c
1 changed files with 1 additions and 12 deletions
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13
src/browser/WebBotAuth.zig
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@@ -41,20 +41,9 @@ fn parsePemPrivateKey(pem: []const u8) !*crypto.EVP_PKEY {
const b64 = std.mem.trim(u8, pem[start_idx + begin.len .. end_idx], &std.ascii.whitespace);
// Ed25519 PKCS#8 DER is always 48 bytes, which base64-encodes to exactly 64 chars
var clean: [64]u8 = undefined;
var clean_len: usize = 0;
for (b64) |ch| {
if (ch != '\n' and ch != '\r') {
clean[clean_len] = ch;
clean_len += 1;
}
}
// decode base64 into 48-byte DER buffer
var der: [48]u8 = undefined;
const decoded_len = try std.base64.standard.Decoder.calcSizeForSlice(clean[0..clean_len]);
try std.base64.standard.Decoder.decode(der[0..decoded_len], clean[0..clean_len]);
try std.base64.standard.Decoder.decode(der[0..48], b64);
// Ed25519 PKCS#8 structure always places the 32-byte raw private key at offset 16.
const key_bytes = der[16..48];