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Signature
insert custom text into posts and emails... 已更新 2007 年 03 月 5 日 下载地址
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  • Signature

    2013-02-05 10:16:52
    public class ECDSAClass { internal static CngKey aliceKeySignature; internal static byte[] alicePubKeyBlob; /// /// 主调度方法,数字签名 /// publ

     

     public class ECDSAClass
        {
            internal static CngKey aliceKeySignature;
    
            internal static byte[] alicePubKeyBlob;
    
            /// <summary>
            /// 主调度方法,数字签名
            /// </summary>
            public static void MShow()
            {
                CreateKeys();
                byte[] aliceData = Encoding.UTF8.GetBytes("Alice");
                byte[] aliceSignature = CreateSignature(aliceData, aliceKeySignature);
                Console.WriteLine("Alice created signature:{0}", Convert.ToBase64String(aliceSignature));
                if (VerifySignature(aliceData, aliceSignature, alicePubKeyBlob))
                {
                    Console.WriteLine("Alice signature verified successfully");
                }
            }
    
            //验证数据
            private static bool VerifySignature(byte[] data, byte[] aliceSignature, byte[] pubkey)
            {
                bool retvalue = false;
                using (CngKey key = CngKey.Import(pubkey, CngKeyBlobFormat.GenericPublicBlob))
                {
                    var signingAlg = new ECDsaCng(key);
                    retvalue = signingAlg.VerifyData(data, aliceSignature);
                    signingAlg.Clear();
                }
                return retvalue; 
            }
    
            //加密数据
            private static byte[] CreateSignature(byte[] data, CngKey key)
            {
                var signingAlg = new ECDsaCng(key);
                byte[] signature = signingAlg.SignData(data);
                signingAlg.Clear();
                return signature;
            }
    
            /// <summary>
            /// 创建密钥
            /// </summary>
            private static void CreateKeys()
            {
                //创建密钥
                aliceKeySignature = CngKey.Create(CngAlgorithm.ECDsaP256);
                //导出公钥
                alicePubKeyBlob = aliceKeySignature.Export(CngKeyBlobFormat.GenericPublicBlob);
    
            }

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  • Signature Malleability

    2020-12-02 09:02:22
    t horribly malformed, it will be accepted.[1] In addition for every ECDSA signature (r,s), the signature (r, -s (mod N)) is a valid signature of the same message.[2]</p><p>该提问来源于开源项目:...
  • Signature fix

    2020-11-28 10:02:11
    <div><p>This fixes signature creation, the presently generated signature doesn't comply with the RFC and is rejected by other applications/libraries. The reason is that the signature is base64 ...
  • <div><p><code>process_signature</code> gets the argspec from the object itself, so any docstring-specified signature ...gets silently dropped. <p>See e.g. ...
  • Multiple signature insertion

    2020-11-25 16:47:07
    <p>In my signature I am using [NUMBER] [DATE] and [TIME] fields and my signature starts with a line feed (this is to have space to insert my own text in front of the signature). Maybe one of these is ...
  • Driver Signature Enforcement Overrider

    热门讨论 2012-08-13 10:26:07
    Driver Signature Enforcement Overrider Windows測試模式 (win7 64位可用) 無須重啟F8 可去除右下測試模式水印 Enable Test Mode Disable Test Mode Sign a System File ------------------------ Sometimes, the...
  • Upload Signature, same goes for deleting a signature. It would be much convenient if we had the upload and delete buttons when viewing the signature. <h3>ScreenShot: <p>We could add an upload & ...
  • Block header signature issue

    2020-11-27 16:47:10
    <div><p><code>state.latest_block_header.signature</code> is different between producing and processing a block and this is causing block processing to fail because of a mismatch on <code>block.state_...
  • I have used the appropriate consumer key / secret and generated the signature just fine on the postman client, but when i test that against the oauth response, they never match up. in the file "...
  • <p>The deposit signature needs to be verified individually and check both the signature subgroup and the public key subgroup. <h2>Version <p><code>master</code></p> <h2>Present Behaviour <p>PublicKey...
  • HTML5画布Signature_Pad.zip

    2019-07-16 06:38:35
    安装bower 安装bower install signature_pad直接下载 signature_pad.js 或者 signature_pad.min.js 使用APIvar canvas = document.querySelector("canvas"); var signaturePad = new SignaturePad...
  • <div><p><em>SignatureDoesNotMatch: The request signature we calculated does not match the signature you provided. Check your key and signing method.</em></p> <p><code>[tusd] event="...
  • Include .gpg signature

    2020-11-28 01:46:48
    <div><p>ruby-js-routes source: debian-watch-may-check-gpg-signature <pre><code> This watch file does not include a means to verify the upstream tarball using cryptographic signature. If upstream ...
  • 90% of the time, the resulting signature (which I get using the signaturepad.GetImage() method) is missing some lines. <p>For example, if I sign by drawing XAMARIN as the signature, in the app it all...
  • <p>We need to sign data with detached PKCS#7 signature externally (in the Web Browser) and would like to insert that signature inside PDF document some way. So the whole scenario would look like this:...
  • ve had to debug a signature failure to discover the wrong key had been used. It would be nice if the KeyInfo from the Signature was used to compare against the public key of the pair we're using ...
  • list(parse_signature_information(signature) for signature in response.get("signatures", [])) File "/Users/../Packages/LSP/plugin/core/signature_help.py", line 179, in <genexpr>...
  • signature verification fails

    2020-11-22 13:10:49
    I am testing with OpenSSL ECDSA signature. The test procedure is to create a ECDSA a signature in OpenSSL, then verify this signature using micro-ecc (publickey and hash is taken from OpenSSL output)....
  • <p>I found this plugin is also great as the signature is just JSON data, the signature box can add along with an hidden textarea , it simplify a lot for the process. <p>Thanks for your attention </p>...
  • )</code> is thrown when server sends <code>Certificate Request</code> during handshake with <code>Signature Hash Algorithm</code> which is not supported by <code>bc-java</code>. <p>I'm ...
  • m: Signature for this request is not valid. price:0.22787000 buyp:0.22779000 sellp:0.22789389-bid:0.22778000 ask:0.22799000 spread:0.09 m: Signature for this request is not valid. price:0.22787000 ...
  • SM2-signature-creation-and-verification     An implementation of SM2 signature creation and verification is provided. Header files and library files of OpenSSL 1.1.1 or higher version are needed ...
  • <div><p>With the new email settings in the profile section, if you select a different editor or select a default email signature it doesn't save it. <h4>Issue <p>The email signature does not save...
  • <div><p>There are two concerns here: first, potentially inconsistent (and therefore confusing in a reference implementation) behavior, and second, need for signature metadata to provide adequate data ...
  • <div><p>EC Canonical Signature fails in specific cases. In the example code below, a failure case is demonstrated, where a signature for messageHash is generated using elliptic and verified. <p>...
  • <div><p>Looking at the code, it appears you do not employ a sort of dynamic signature deciphering. What I did (in php) was read the html5player.js and figure out how they transform the signature into ...
  • it does not update the Description field in the signature list - it remains as Stage 2 signature in the signature list, without the Known Name information. <p>The only workaround for this is to ...
  • gpg: Signature made Sun 10 Dec 2017 10:00:13 PM CET gpg: using RSA key 1D8597D7891A43DF gpg: BAD signature from "TeamWin <admin.in>" </admin.in></code></pre> <p>I tried all the ...
  • 使用httpClent 4.x 连接一个需要Signature验证的API 一直返回401 ``` HTTP/1.1 401 Unauthorized Server: Apache-Coyote/1.1 X-Application-Context: bootstrap Authorization: WWW-Authenticate: Signature ...
  • <p>While we all have some machinery to disable valid signature checks during testing, due to that invalid zero signature we also need to add specific test versus zero buffer before serialization/...

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