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Support AES GCM KW algorithms for encrypting tokens #583

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merged 1 commit into from
Apr 19, 2022
Merged

Support AES GCM KW algorithms for encrypting tokens #583

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3 changes: 3 additions & 0 deletions implementation/common/src/main/java/io/smallrye/jwt/algorithm/KeyEncryptionAlgorithm.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,9 @@ public enum KeyEncryptionAlgorithm {
A128KW("A128KW"),
A192KW("A192KW"),
A256KW("A256KW"),
A128GCMKW("A128GCMKW"),
A192GCMKW("A192GCMKW"),
A256GCMKW("A256GCMKW"),
PBES2_HS256_A128KW("PBES2-HS256+A128KW"),
PBES2_HS384_A192KW("PBES2-HS384+A192KW"),
PBES2_HS512_A256KW("PBES2-HS512+A256KW");
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21 changes: 21 additions & 0 deletions implementation/jwt-build/src/test/java/io/smallrye/jwt/build/JwtEncryptTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -327,6 +327,23 @@ public void testEncryptWithSecretKey() throws Exception {
checkJwtClaims(claims);
}

@Test
public void testEncryptWithSecretKeyAndGsmKeyWrap() throws Exception {
String jweCompact = Jwt.claims()
.claim("customClaim", "custom-value")
.jwe()
.keyId("key-enc-key-id")
.keyAlgorithm(KeyEncryptionAlgorithm.A256GCMKW)
.encrypt(createSecretKey());

checkJweHeaders(jweCompact, "A256GCMKW", 5);

JsonWebEncryption jwe = getJsonWebEncryption(jweCompact, createSecretKey());

JwtClaims claims = JwtClaims.parse(jwe.getPlaintextString());
checkJwtClaims(claims);
}

@Test
public void testEncryptWithSecret() throws Exception {
String secret = "AyM1SysPpbyDfgZld3umj1qzKObwVMko";
Expand Down Expand Up @@ -408,6 +425,10 @@ private static void checkJweHeaders(String jweCompact, String keyEncKeyAlg, Stri
if ("ECDH-ES+A256KW".equals(keyEncKeyAlg)) {
Assert.assertNotNull(jweHeaders.get("epk"));
}
if ("A256GCMKW".equals(keyEncKeyAlg)) {
Assert.assertNotNull(jweHeaders.get("iv"));
Assert.assertNotNull(jweHeaders.get("tag"));
}
}

private static void checkRsaEncJweHeaders(String jweCompact) throws Exception {
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