Cannot read properties of undefined (reading 'exports')

[jzyzxx]

go code:

package main

import (
    "crypto/rand"
    "crypto/rsa"
    "crypto/x509"
    "encoding/pem"
)

var priKey = []byte(`-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`)

var pubKey = []byte(`-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCe8zGb4UAMg2A63pH+/W145hHv
YQPJlkX6OfzJ1215htCI6Pyh2TdHRrDqVU6wP609ao9tLxRsbbXrajBGXiq2ijRX
7AKrsVdhYi2J+B2q/CrsH5CDKa16YCVPPwf/oZDz/hxrcjZjhOoSIZupY3/xzOBT
TjcVcvWbTxGw0wOm6wIDAQAB
-----END PUBLIC KEY-----`)
func main()  {

}

//export RSAEncrypt
func RSAEncrypt(origData string) string {
    block, _ := pem.Decode(pubKey)
    pubInterface, _ := x509.ParsePKIXPublicKey(block.Bytes)
    pub := pubInterface.(*rsa.PublicKey)
    bits, _ := rsa.EncryptPKCS1v15(rand.Reader, pub, []byte(origData))
    return string(bits)
}

//export RSADecrypt
func RSADecrypt(cipherTxt string) string {
    block, _ := pem.Decode(priKey)
    pri, _ := x509.ParsePKCS1PrivateKey(block.Bytes)
    bits, err := rsa.DecryptPKCS1v15(rand.Reader, pri, []byte(cipherTxt))
    if err != nil {
        panic(err)
    }
    return string(bits)
}

`

build params：

tinygo build -o ./wasm.wasm -no-debug -panic=trap -scheduler=none -target wasm .\main.go

Some errors accured in browser:

wasm_exec_tiny.js:223 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'exports') at loadSlice (wasm_exec_tiny.js:223:38) at random_get (wasm_exec_tiny.js:283:30) at arc4random_buf (wasm.wasm:0x58c) at io.ReadFull (wasm.wasm:0x5313) at RSAEncrypt.command_export (wasm.wasm:0x3c71b) at test.html:20:41

[jzyzxx]

My tinygo version is 0.30.0

[CrazyXi]

maybe you should remove it -scheduler=none

[rellfy]

Hi @jzyzxx, were you able to get this to work? I raised an issue I had when working with the same libs: https://github.com/tinygo-org/tinygo/issues/4583