{"id":44071606,"url":"https://github.com/tokensmith/jwt","last_synced_at":"2026-02-08T04:35:55.144Z","repository":{"id":36142031,"uuid":"40446031","full_name":"tokensmith/jwt","owner":"tokensmith","description":"JSON Web Token (JWT)","archived":false,"fork":false,"pushed_at":"2022-05-16T13:22:22.000Z","size":674,"stargazers_count":4,"open_issues_count":5,"forks_count":0,"subscribers_count":4,"default_branch":"main","last_synced_at":"2023-07-28T10:29:17.569Z","etag":null,"topics":["java-12","jwe","jwk","jws","jwt"],"latest_commit_sha":null,"homepage":null,"language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/tokensmith.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2015-08-09T18:24:16.000Z","updated_at":"2022-12-06T19:03:59.000Z","dependencies_parsed_at":"2022-09-09T12:00:25.095Z","dependency_job_id":null,"html_url":"https://github.com/tokensmith/jwt","commit_stats":null,"previous_names":["rootservices/jwt"],"tags_count":8,"template":null,"template_full_name":null,"purl":"pkg:github/tokensmith/jwt","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tokensmith%2Fjwt","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tokensmith%2Fjwt/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tokensmith%2Fjwt/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tokensmith%2Fjwt/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/tokensmith","download_url":"https://codeload.github.com/tokensmith/jwt/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tokensmith%2Fjwt/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29220607,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-08T03:18:47.732Z","status":"ssl_error","status_checked_at":"2026-02-08T03:15:31.985Z","response_time":57,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["java-12","jwe","jwk","jws","jwt"],"created_at":"2026-02-08T04:35:55.081Z","updated_at":"2026-02-08T04:35:55.136Z","avatar_url":"https://github.com/tokensmith.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"[JSON Web Tokens](https://tools.ietf.org/html/rfc7519)\n---------------------------------------------------------------------------------------------------------------------\n\n[![Build Status](https://travis-ci.org/TokenSmith/jwt.svg?branch=development)](https://travis-ci.org/TokenSmith/jwt)\n\n\nDocumentation\n------------\n More documentation is available [here](http://tokensmith.github.io/jwt/).\n \nQuick Start\n-----------\nThis is a Java implementation of JWT, JWS, and JWE.\n\n - [Unsecured JWT](#unsecured-jwt)\n - [Read a compact JWT](#read-a-compact-jwt)\n - [Asymmetric Key](#asymmetric-key)\n - [Symmetric Key](#symmetric-key)\n - [Generate Key](#generate-key)\n \n## Unsecured JWT\n```java\nUnsecureCompactBuilder compactBuilder = new UnsecureCompactBuilder();\n\nClaim claim = new Claim();\nclaim.setUriIsRoot(true);\n\nByteArrayOutputStream encodedJwt = compactBuilder\n    .claims(claim)\n    .build();\n```\n## Read a compact JWT\n```java\nJwtAppFactory appFactory = new JwtAppFactory();\n\nString jwt = \"eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJodHRwOi8vZXhhbXBsZS5jb20vaXNfcm9vdCI6dHJ1ZX0.TeZ3DKSE-gplbaoA8CK_RMojt8CfA1MTYaM_ZuOeGNw\";\nJwtSerde jwtSerde = appFactory.jwtSerde();\n\nJsonWebToken\u003cClaim\u003e jsonWebToken;\ntry {\n    jsonWebToken = jwtSerde.stringToJwt(jwt, Claim.class);\n} catch (InvalidJWT | JsonToJwtException e) {\n    // may not have been a jwt\n    // may not have been able to deserialize the header or claims.\n    throw e;\n}\n\n// Can access claims in, jsonWebToken.\n```\n\n\n## JWS Compact Serialization\n\n### Asymmetric key\n\n#### Create\n```java\nSecureCompactBuilder compactBuilder = new SecureCompactBuilder();\n\nKeyGenerator keyGenerator = jwtAppFactory.keyGenerator();\nSymmetricKey key = keyGenerator.symmetricKey(Optional.of(\"\"test-key-id\"\"), Use.SIGNATURE);\n\nClaim claim = new Claim();\nclaim.setUriIsRoot(true);\n\nByteArrayOutputStream actual = compactBuilder.alg(Algorithm.RS256)\n        .key(key)\n        .claims(claim)\n        .build();\n```\n\n#### Verify Signature\n```java\nRSAPublicKey publicKey = new RSAPublicKey(\n    Optional.of(\"test-key-id\"),\n    Use.SIGNATURE,\n    new BigInteger(\"20446702916744654562596343388758805860065209639960173505037453331270270518732245089773723012043203236097095623402044690115755377345254696448759605707788965848889501746836211206270643833663949992536246985362693736387185145424787922241585721992924045675229348655595626434390043002821512765630397723028023792577935108185822753692574221566930937805031155820097146819964920270008811327036286786392793593121762425048860211859763441770446703722015857250621107855398693133264081150697423188751482418465308470313958250757758547155699749157985955379381294962058862159085915015369381046959790476428631998204940879604226680285601\"),\n    new BigInteger(\"65537\")\n);\n\nJwtAppFactory appFactory = new JwtAppFactory();\nVerifySignature verifySignature;\n\ntry {\n    verifySignature = appFactory.verifySignature(Algorithm.RS256, publicKey);\n} catch (SignatureException e) {\n    throw e;\n}\n\nboolean isSignatureValid = verifySignature.run(jsonWebToken);\n```\n### Symmetric key\n\n#### Create\n```java\nSecureCompactBuilder compactBuilder = new SecureCompactBuilder();\n\nSymmetricKey key = Factory.makeSymmetricKey();\nkey.setKeyId(Optional.of(\"test-key-id\"));\n\nClaim claim = new Claim();\nclaim.setUriIsRoot(true);\n\nByteArrayOutputStream actual = compactBuilder.alg(Algorithm.HS256)\n        .key(key)\n        .claims(claim)\n        .build();\n```\n#### Verify Signature\n```java\nSymmetricKey key = new SymmetricKey(\n    Optional.of(\"test-key-id\"),\n    \"AyM1SysPpbyDfgZld3umj1qzKObwVMkoqQ-EstJQLr_T-1qS0gZH75aKtMN3Yj0iPS4hcgUuTwjAzZr1Z9CAow\",\n    Use.SIGNATURE\n);\n\nJwtAppFactory appFactory = new JwtAppFactory();\nVerifySignature verifySignature = null;\ntry {\n    verifySignature = appFactory.verifySignature(Algorithm.HS256, key);\n} catch (SignatureException e) {\n    throw e;\n}\n\nboolean isSignatureValid = verifySignature.run(jsonWebToken);\n```\n## JWE Compact Serialization\n\n### Asymmetric key\n\n#### Create\n```java\nEncryptedCompactBuilder compactBuilder = new EncryptedCompactBuilder();\n\nbyte[] payload = \"Help me, Obi-Wan Kenobi. You're my only hope.\".getBytes();\n\nRSAPublicKey publicKey = Factory.makeRSAPublicKeyForJWE();\npublicKey.setKeyId(Optional.of(UUID.randomUUID().toString()));\n\nByteArrayOutputStream actual = compactBuilder.encAlg(EncryptionAlgorithm.AES_GCM_256)\n        .alg(Algorithm.RSAES_OAEP)\n        .payload(payload)\n        .rsa(publicKey)\n        .build();\n```\n\n### Symmetric key\n\n#### Create\n```java\nEncryptedCompactBuilder compactBuilder = new EncryptedCompactBuilder();\n\nSymmetricKey key = Factory.makeSymmetricKeyForJWE();\n\nbyte[] payload = \"Help me, Obi-Wan Kenobi. You're my only hope.\".getBytes();\n\nByteArrayOutputStream actual = compactBuilder.encAlg(EncryptionAlgorithm.AES_GCM_256)\n        .alg(Algorithm.DIRECT)\n        .encAlg(EncryptionAlgorithm.AES_GCM_256)\n        .payload(payload)\n        .cek(key)\n        .build();\n```\n\n## Generate Key\n\n### Symmetric Key\n```java\nJwtAppFactory jwtAppFactory = new JwtAppFactory();\n\nKeyGenerator keyGenerator = jwtAppFactory.keyGenerator();\nSymmetricKey key = keyGenerator.symmetricKey(Optional.of(\"123\"), Use.SIGNATURE);\n```\n\n### Asymmetric Key\n```java\nJwtAppFactory jwtAppFactory = new JwtAppFactory();\n\nKeyGenerator keyGenerator = jwtAppFactory.keyGenerator();\nRSAKeyPair key = subject.rsaKeyPair(KeyGenerator.RSA_1024, Optional.of(\"123\"), Use.SIGNATURE);\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftokensmith%2Fjwt","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftokensmith%2Fjwt","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftokensmith%2Fjwt/lists"}