convert to ED25519 to pem

Signed-off-by: mineme0110 <shailesh.patil@iohk.io>
hyperledger · May 9, 2024 · f038c05 · f038c05
1 parent b7bb36a
commit f038c05
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Showing 2 changed files with 8 additions and 4 deletions.
diff --git a/...re/src/main/scala/org/hyperledger/identus/pollux/core/service/CredentialServiceImpl.scala b/...re/src/main/scala/org/hyperledger/identus/pollux/core/service/CredentialServiceImpl.scala
@@ -21,12 +21,13 @@ import org.hyperledger.identus.pollux.core.model.schema.CredentialSchema
 import org.hyperledger.identus.pollux.core.model.secret.CredentialDefinitionSecret
 import org.hyperledger.identus.pollux.core.repository.{CredentialRepository, CredentialStatusListRepository}
 import org.hyperledger.identus.pollux.vc.jwt.{ES256KSigner, Issuer as JwtIssuer, *}
+import org.hyperledger.identus.shared.crypto.Ed25519KeyPair
 import org.hyperledger.identus.shared.http.{DataUrlResolver, GenericUriResolver}
 import org.hyperledger.identus.shared.models.WalletAccessContext
 import org.hyperledger.identus.shared.utils.aspects.CustomMetricsAspect
 import zio.*
 import zio.prelude.ZValidation
-
+import org.hyperledger.identus.castor.core.model.did.EllipticCurve
 import java.net.URI
 import java.rmi.UnexpectedException
 import java.time.{Instant, ZoneId}
@@ -1298,7 +1299,7 @@ private class CredentialServiceImpl(
         )
       preview = offerCredentialData.body.credential_preview
       claims <- CredentialService.convertAttributesToJsonClaims(preview.body.attributes)
-      sdJwtPrivateKey = SDJWTPrivateKey.fromPem(SDJWT.convertED25519PrivateKeyToPEM(jwtIssuerKeys.privateKey.getEncoded))
+      sdJwtPrivateKey = SDJWTPrivateKey.fromPem(SDJWT.convertPrivateKeyToPEM(jwtIssuerKeys.privateKey.getEncoded, EllipticCurve.ED25519.name))
       credential = SDJWT.issueCredential(sdJwtPrivateKey, claims.asJson.noSpaces)
 
       issueCredential = IssueCredential.build(

diff --git a/pollux/sd-jwt/src/main/scala/org/hyperledger/identus/pollux/sdjwt/SDJWT.scala b/pollux/sd-jwt/src/main/scala/org/hyperledger/identus/pollux/sdjwt/SDJWT.scala
@@ -68,15 +68,18 @@ object SDJWT {
     val result: Boolean = verifier.verify(claims)
     result
   }
+
   //FIXME
-  def convertED25519PrivateKeyToPEM(encodedKey: Array[Byte]): String = {
+  def convertPrivateKeyToPEM(encodedKey: Array[Byte], algorithm: String): String = {
     import java.util.Base64
     import java.security.KeyFactory
     import java.security.spec.PKCS8EncodedKeySpec
     import java.security.PrivateKey
+
     val keySpec = new PKCS8EncodedKeySpec(encodedKey)
-    val keyFactory = KeyFactory.getInstance("Ed25519")
+    val keyFactory = KeyFactory.getInstance(algorithm) // Use the passed algorithm
     val privateKey: PrivateKey = keyFactory.generatePrivate(keySpec)
+
     val encoded = Base64.getMimeEncoder.encodeToString(privateKey.getEncoded)
     val pemKey = s"-----BEGIN PRIVATE KEY-----\n${encoded.grouped(64).mkString("\n")}\n-----END PRIVATE KEY-----"
     pemKey