digest-authentication | 易学教程

What is the “realm” in basic authentication

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I'm setting up basic authentication on a php site and found this page on the php manual showing the set up. What does "realm" mean here in the header? header('WWW-Authenticate: Basic realm="My Realm"'); Is it the page page being requested? Tim Cooper From RFC 1945 (HTTP/1.0) and RFC 2617 (HTTP Authentication referenced by HTTP/1.1) The realm attribute (case-insensitive) is required for all authentication schemes which issue a challenge. The realm value (case-sensitive), in combination with the canonical root URL of the server being accessed, defines the protection space. These realms allow the

What is digest authentication?

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问题 How does Digest Authentication differ from Basic Authentication other than sending credentials as plain text? 回答1: The main difference is that it doesn't require sending the username and password across the wire in plaintext. It is also immune to replay-attacks, as it uses a one-time number from the server. The server gives the client a one-time use number (a nonce) that it combines with the username, realm, password and the URI request. The client runs all of those fields through an MD5

What is the “realm” in basic authentication

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问题 I\'m setting up basic authentication on a php site and found this page on the php manual showing the set up. What does \"realm\" mean here in the header? header(\'WWW-Authenticate: Basic realm=\"My Realm\"\'); Is it the page page being requested? 回答1: From RFC 1945 (HTTP/1.0) and RFC 2617 (HTTP Authentication referenced by HTTP/1.1) The realm attribute (case-insensitive) is required for all authentication schemes which issue a challenge. The realm value (case-sensitive), in combination with

Apache HttpClient Digest authentication

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问题 Basically what I need to do is to perform digest authentication. First thing I tried is the official example available here. But when I try to execute it(with some small changes, Post instead of the the Get method) I get a org.apache.http.auth.MalformedChallengeException: missing nonce in challange at org.apache.http.impl.auth.DigestScheme.processChallenge(DigestScheme.java:132) When this failed I tried using: DefaultHttpClient client = new DefaultHttpClient(); client.getCredentialsProvider()