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feat: Add configurable buffer size for file signature verification

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Shibo Lyu 2025-04-23 16:32:47 +08:00
parent e10a2449c8
commit d2657b54f3
1 changed files with 1 additions and 2 deletions
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3
Sources/Minisign/Minisign.swift
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@ -87,13 +87,12 @@ public struct PublicKey: Sendable {
/// ///
/// This method reads the file in chunks to avoid loading the entire file into memory, but does so in a blocking manner. /// This method reads the file in chunks to avoid loading the entire file into memory, but does so in a blocking manner.
/// It's recommended to use this method in a background thread or task. /// It's recommended to use this method in a background thread or task.
public func isValidSignature(_ signature: Signature, forFileAt url: URL) throws -> Bool { public func isValidSignature(_ signature: Signature, forFileAt url: URL, bufferSize: Int = 8192) throws -> Bool {
guard signature.signatureAlgorithm == .hashedEdDSA else { throw SignatureVerifyError.algorithmNotSupportedForFile } guard signature.signatureAlgorithm == .hashedEdDSA else { throw SignatureVerifyError.algorithmNotSupportedForFile }
var blake2b = try! BLAKE2b() var blake2b = try! BLAKE2b()
let fileHandle = try FileHandle(forReadingFrom: url) let fileHandle = try FileHandle(forReadingFrom: url)
let bufferSize = 4096
while true { while true {
let data = fileHandle.readData(ofLength: bufferSize) let data = fileHandle.readData(ofLength: bufferSize)
if data.isEmpty { break } if data.isEmpty { break }