Sudo-Ivan
c58384285a
- Implemented computeSHA256 function to generate hex-encoded SHA256 hashes. - Added verifySHA256 function to validate input data against expected hash in a WebAssembly context. - Created main_test.go to include unit tests for computeSHA256 with various input cases.
37 lines
947 B
Go
37 lines
947 B
Go
//go:build js && wasm
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// +build js,wasm
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package main
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import (
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"fmt"
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"syscall/js"
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)
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// verifySHA256 verifies that the SHA256 hash of the input data matches the provided expected hash.
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func verifySHA256(this js.Value, args []js.Value) any {
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if len(args) < 2 {
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return js.ValueOf("invalid arguments: expected (data []uint8, expectedHash string)")
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}
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dataLen := args[0].Get("length").Int()
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data := make([]byte, dataLen)
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js.CopyBytesToGo(data, args[0])
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expectedHash := args[1].String()
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actualHash := computeSHA256(data)
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if actualHash == expectedHash {
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return js.ValueOf(true)
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}
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return js.ValueOf(fmt.Sprintf("hash mismatch: got %s, expected %s", actualHash, expectedHash))
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}
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// main initializes the WebAssembly module and exposes verifySHA256 to the JavaScript global scope.
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func main() {
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c := make(chan struct{})
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fmt.Println("Software Verifier WASM Initialized")
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js.Global().Set("verifySHA256", js.FuncOf(verifySHA256))
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<-c
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}
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