sha256

问题 I am trying to do a Sha256 on a file in Javascript. I used FileReader(HTML5) to read in a file. I use the readAsBinaryString function in the FileReader to pass in the images file. Then on the FileReader.onload function I pass in the evt.target.result to the SHA256 method in the CryptoJs API. I am able to successfully get a hash value but it is not correct. When I pass in a text file, it works fine but not image file. Code(Should be able to copy the code below to a HTML file and run it on

问题 i am struggling with the same issue like Markus Dreyer: C# Calculate SHA256 value for SEPA (XML) paymentfile According to the DFÜ Agreement i have to calculate a sha256 hash value: The hash value is created using the entire contained document, including the opening and closing tag. The document is canonicalized according to Canonical XML, version 1.0. (http://www.w3.org/TR/2001/REC-xml-c14n-20010315). In the case of included documents, the canonisation has also to be executed accord-ing to

问题 First thing I have to mention is I'm really really new to Lua and please be patient if you think my question is too dumb Here is my requirement I need to use HMAC-sha256 for Lightroom plugin development as I'm using that for security. I was trying to use this but with no luck https://code.google.com/p/lua-files/wiki/hmac These are the steps I followed Got the code of https://code.google.com/p/lua-files/source/browse/hmac.lua and saved as 'hmac.lua' file in my plugin directory Got the code

问题 Using VS 2008 with .Net Framework 3.5 on windows 2003 server. We have implemented SSO with SAML for security. We work at service provider end where we validate the Signed XML SAML Assertuib token generated from client's system. As of now whatever signed documents we came across were using the Signature Algorithm "rsa-sha1", but now we have new customer who sends a file with the signature algorithm as "rsa-sha256" and here is the problem started. public static string VerifySignature() { if (m

问题 I'm working with Google Cloud Storage in AppEngine and I'm attempting to use a POST form to upload a file to GCS. The problem I'm having is with the steps needed to sign the policy document. I can easily fetch the client_secret, which is a String from the client_secrets.json that the API Console gave me. however, in order to create a signature, I need to convert that string into a PrivateKey object. Here's what my code looks like: //create the policy document and encode it String

问题 I am trying to generate digital signatures on Windows (from XP SP3, but currently testing with Windows 7) with CryptoAPI that will be compatible with the following openssl commands: openssl dgst -sha256 -sign <parameters> (for signing) openssl dgst -sha256 -verify <parameters> (for validation) I want to use a private key from the Windows "MY" keystore for signing. I managed to sign files using the SHA1 digest algorithm by using the following CryptoAPI functions (omitting parameters for

问题 I'm trying to create passwords that are sha256 hashed with a $salt variable to it. But for some reason it just won't work. Been working 3 hours on this now, and I'm about to rip my head off. Here is my code: I'll try again, sorry ;o) Ok, my script worked fine, untill I tried to add the sha256 to the passwords. I got a file for creating users which is: $salt = "lollol"; $password = hash('sha256', $salt.$_POST['password']); $sql = ("INSERT INTO members (username, password, name, last_name

问题 I want to convert a some code which is in Java to C#. Java Code: private static final byte[] SALT = "NJui8*&N823bVvy03^4N".getBytes(); public static final String getSHA256Hash(String secret) { try { MessageDigest digest = MessageDigest.getInstance("SHA-256"); digest.update(secret.getBytes()); byte[] hash = digest.digest(SALT); StringBuffer hexString = new StringBuffer(); for (int i = 0; i < hash.length; i++) { hexString.append(Integer.toHexString(0xFF & hash[i])); } return hexString.toString(

问题 i need to digital sign my XML messages in JAVA: The resulting XML signature should have the following format: <Signature xmlns="http://www.w3.org/2000/09/xmldsig#"> <SignedInfo> <CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" /> <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" /> <Reference URI=""> <Transforms> <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> </Transforms> <DigestMethod Algorithm="http:/

问题 For a new project I need to hash a NSString with SHA256. I have used the following code: unsigned char hashedChars[32]; NSString *inputString; inputString = [NSString stringWithFormat:@"hello"]; NSData * inputData = [inputString dataUsingEncoding:NSUTF8StringEncoding]; CC_SHA256(inputData.bytes, inputData.length, hashedChars); I found this piece of code on stackoverflow. I do not really get all the things this code do here are some questions about the code: 1.The CC_SHA256 makes a hash but