Signer (api 8.5.13 API)

java.lang.Object
- io.minio.Signer

```
public class Signer
extends Object
```
Amazon AWS S3 signature V4 signer.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String`	`credential(String accessKey, ZonedDateTime date, String region)` Returns credential string of given access key, date and region.
`static String`	`getChunkSignature(String chunkSha256, ZonedDateTime date, String region, String secretKey, String prevSignature)` Returns chunk signature calculated using given arguments.
`static String`	`postPresignV4(String stringToSign, String secretKey, ZonedDateTime date, String region)` Returns pre-signed post policy string for given stringToSign, secret key, date and region.
`static okhttp3.HttpUrl`	`presignV4(okhttp3.Request request, String region, String accessKey, String secretKey, int expires)` Returns pre-signed HttpUrl object for given request, region, access key, secret key and expires time.
`static okhttp3.Request`	`signV4S3(okhttp3.Request request, String region, String accessKey, String secretKey, String contentSha256)` Returns signed request of given request for S3 service.
`static okhttp3.Request`	`signV4Sts(okhttp3.Request request, String region, String accessKey, String secretKey, String contentSha256)` Returns signed request of given request for STS service.
`static byte[]`	`sumHmac(byte[] key, byte[] data)` Returns HMacSHA256 digest of given key and data.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getChunkSignature

public static String getChunkSignature(String chunkSha256,
                                       ZonedDateTime date,
                                       String region,
                                       String secretKey,
                                       String prevSignature)
                                throws NoSuchAlgorithmException,
                                       InvalidKeyException

Returns chunk signature calculated using given arguments.

Throws:: NoSuchAlgorithmException; InvalidKeyException

signV4S3

public static okhttp3.Request signV4S3(okhttp3.Request request,
                                       String region,
                                       String accessKey,
                                       String secretKey,
                                       String contentSha256)
                                throws NoSuchAlgorithmException,
                                       InvalidKeyException

Returns signed request of given request for S3 service.

Throws:: NoSuchAlgorithmException; InvalidKeyException

signV4Sts

public static okhttp3.Request signV4Sts(okhttp3.Request request,
                                        String region,
                                        String accessKey,
                                        String secretKey,
                                        String contentSha256)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeyException

Returns signed request of given request for STS service.

Throws:: NoSuchAlgorithmException; InvalidKeyException

presignV4

public static okhttp3.HttpUrl presignV4(okhttp3.Request request,
                                        String region,
                                        String accessKey,
                                        String secretKey,
                                        int expires)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeyException

Returns pre-signed HttpUrl object for given request, region, access key, secret key and expires time.

Throws:: NoSuchAlgorithmException; InvalidKeyException

credential

public static String credential(String accessKey,
                                ZonedDateTime date,
                                String region)

Returns credential string of given access key, date and region.

postPresignV4

public static String postPresignV4(String stringToSign,
                                   String secretKey,
                                   ZonedDateTime date,
                                   String region)
                            throws NoSuchAlgorithmException,
                                   InvalidKeyException

Returns pre-signed post policy string for given stringToSign, secret key, date and region.

Throws:: NoSuchAlgorithmException; InvalidKeyException

sumHmac

public static byte[] sumHmac(byte[] key,
                             byte[] data)
                      throws NoSuchAlgorithmException,
                             InvalidKeyException

Returns HMacSHA256 digest of given key and data.

Throws:: NoSuchAlgorithmException; InvalidKeyException

Class Signer