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shared/crypto/src/main/scala/org/hyperledger/identus/shared/crypto/jwk/JWK.scala
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package org.hyperledger.identus.shared.crypto.jwk | ||
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import com.nimbusds.jose.jwk.Curve | ||
import com.nimbusds.jose.jwk.OctetKeyPair | ||
import com.nimbusds.jose.util.Base64URL | ||
import org.hyperledger.identus.shared.crypto.* | ||
import zio.json.* | ||
import zio.json.ast.Json | ||
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import scala.language.implicitConversions | ||
import scala.util.Try | ||
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opaque type JWK = Json | ||
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object JWK { | ||
def fromString(json: String): Either[String, JWK] = json.fromJson[Json] | ||
extension (jwk: JWK) { | ||
def toJsonString: String = jwk.toJson | ||
def toJsonAst: Json = jwk | ||
} | ||
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given Conversion[Ed25519KeyPair, JWK] = keyPair => { | ||
val x = Base64URL.encode(keyPair.publicKey.getEncoded) | ||
val d = Base64URL.encode(keyPair.privateKey.getEncoded) | ||
val octetKey = OctetKeyPair.Builder(Curve.Ed25519, x).d(d).build() | ||
octetKey.toJSONString().fromJson[Json].toOption.get // .get cannot fail | ||
} | ||
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given Conversion[X25519KeyPair, JWK] = keyPair => { | ||
val x = Base64URL.encode(keyPair.publicKey.getEncoded) | ||
val d = Base64URL.encode(keyPair.privateKey.getEncoded) | ||
val octetKey = OctetKeyPair.Builder(Curve.X25519, x).d(d).build() | ||
octetKey.toJSONString().fromJson[Json].toOption.get // .get cannot fail | ||
} | ||
} | ||
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trait FromJWK[K] { | ||
def from(jwk: JWK): Either[String, K] | ||
} | ||
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object FromJWK { | ||
given FromJWK[Ed25519KeyPair] = jwk => { | ||
val keyPair = for { | ||
okp <- Try(OctetKeyPair.parse(jwk.toJsonString)) | ||
d <- Try(okp.getD().decode()) | ||
privateKey <- Apollo.default.ed25519.privateKeyFromEncoded(d) | ||
publicKey = privateKey.toPublicKey | ||
} yield Ed25519KeyPair(publicKey, privateKey) | ||
keyPair.toEither.left.map(_.getMessage()) | ||
} | ||
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given FromJWK[X25519KeyPair] = jwk => { | ||
val keyPair = for { | ||
okp <- Try(OctetKeyPair.parse(jwk.toJsonString)) | ||
d <- Try(okp.getD().decode()) | ||
privateKey <- Apollo.default.x25519.privateKeyFromEncoded(d) | ||
publicKey = privateKey.toPublicKey | ||
} yield X25519KeyPair(publicKey, privateKey) | ||
keyPair.toEither.left.map(_.getMessage()) | ||
} | ||
} |