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java.lang.Objectorg.apache.hadoop.security.authentication.util.Signer
public class Signer
Signs strings and verifies signed strings using a SHA digest.
| Constructor Summary | |
|---|---|
Signer(byte[] secret)
Creates a Signer instance using the specified secret. |
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| Method Summary | |
|---|---|
protected String |
computeSignature(String str)
Returns then signature of a string. |
String |
sign(String str)
Returns a signed string. |
String |
verifyAndExtract(String signedStr)
Verifies a signed string and extracts the original string. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public Signer(byte[] secret)
secret - secret to use for creating the digest.| Method Detail |
|---|
public String sign(String str)
str - string to sign.
public String verifyAndExtract(String signedStr)
throws SignerException
signedStr - the signed string to verify and extract.
SignerException - thrown if the given string is not a signed string or if the signature is invalid.protected String computeSignature(String str)
str - string to sign.
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