bouncycsatle ecdsa验证签名虽然通过openssl失败

Question

我已经使用openssl生成了EC曲线键，并使用sha256摘要生成了签名

数据：265a33bf7a514b6671e6e02aaee2383759348d9f

openssl dgst -sha256 -sign key1.pem data > sig1

公钥文件 pubkey1.pem

   -----BEGIN PUBLIC KEY-----
    MFYwEAYHKoZIzj0CAQYFK4EEAAoDQgAE/2CznS1gXRaO6z8UvF1SOs97Dwp5HUdo
    1Y9OW91lfLl1NA8uXUFY7wJYvTl2dbnuZ1muh7htsxMVgEEbn+XCdQ==
    -----END PUBLIC KEY-----

签名文件为base64编码

MEUCIQDqUv33+c3svyYOXPVZCYx49TE2Vxq4uP5kSV2ZJ4o/JwIgEqWkxdSMNuQNuzL4KXTEeH/O
ZBFjyErxvHgdHTCjeh0=

通过身份验证

[bash]$ base64 -d sig1b64  > sig1d
[bash]$ openssl dgst -sha256 -verify pubkey1.pem -signature sig1d 
data
Verified OK

当我使用Java Bouncycastle库进行验证时，它无法验证签名，这是代码段

    public boolean verifyMessage (final String param,final String message , final String signature , final String algo ) throws Exception
{

    byte[] content = param.getBytes();
    InputStream is = new ByteArrayInputStream(content);
    InputStreamReader isr = new InputStreamReader(is);

    Reader br = new BufferedReader(isr);
    PEMParser parser = new PEMParser(br);

    Object obj = parser.readObject();
    PublicKey thepubKeyofA = null;

    if (obj instanceof org.bouncycastle.asn1.x509.SubjectPublicKeyInfo) {
        SubjectPublicKeyInfo eckey = (SubjectPublicKeyInfo) obj;
        thepubKeyofA = new JcaPEMKeyConverter().setProvider("BC").getPublicKey(eckey);
        Signature ecdsaVerify = Signature.getInstance("SHA256withECDSA", "BC");
        ecdsaVerify.initVerify(thepubKeyofA);
        ecdsaVerify.update(message.getBytes());
        boolean result = ecdsaVerify.verify(Utils.decodeBASE64(signature));
        return result;

    }