add getSupportedCiphers

Author: boorad

example/src/tests/cipher/cipher_tests.ts

@@ -1,5 +1,6 @@
 import {
   Cipher,
+  CipherUtils,
   createCipheriv,
   randomFillSync,
 } from 'react-native-quick-crypto';
@@ -21,3 +22,9 @@ test(SUITE, 'cipher - invalid algorithm', async () => {
     createCipheriv('aes-128-boorad', key, iv, {});
   }).to.throw(/Invalid Cipher Algorithm: aes-128-boorad/);
 });
+
+test(SUITE, 'cipher - getSupportedCiphers', async () => {
+  const ciphers = CipherUtils.getSupportedCiphers();
+  expect(ciphers).to.be.instanceOf(Array);
+  expect(ciphers).to.have.length.greaterThan(0);
+});

packages/react-native-quick-crypto/QuickCrypto.podspec

@@ -37,7 +37,7 @@ Pod::Spec.new do |s|
     add_dependency(s, "React-jsinspector", :framework_name => "jsinspector_modern")
     add_dependency(s, "React-rendererconsistency", :framework_name => "React_rendererconsistency")
   end
-  
+
   # Add all files generated by Nitrogen
   load 'nitrogen/generated/ios/QuickCrypto+autolinking.rb'
   add_nitrogen_files(s)

packages/react-native-quick-crypto/cpp/cipher/HybridCipher.cpp

@@ -1,4 +1,6 @@
 #include <memory>
+#include <vector>
+#include <openssl/evp.h>
 
 #include "HybridCipher.hpp"
 
@@ -67,6 +69,25 @@ HybridCipher::init() {
   if (cipher == nullptr) {
     throw std::runtime_error("Invalid Cipher Algorithm: " + args.cipherType);
   }
+
+void collect_ciphers(EVP_CIPHER *cipher, void *arg) {
+  auto ciphers = static_cast<std::vector<std::string>*>(arg);
+  const char* name = EVP_CIPHER_get0_name(cipher);
+  if (name != nullptr) {
+    ciphers->push_back(name);
+  }
+}
+std::vector<std::string>
+HybridCipher::getSupportedCiphers() {
+  std::vector<std::string> ciphers;
+
+  EVP_CIPHER_do_all_provided(
+    nullptr, // nullptr is default library context
+    collect_ciphers,
+    &ciphers
+  );
+
+  return ciphers;
 }
 
 } // namespace margelo::nitro::crypto

packages/react-native-quick-crypto/cpp/cipher/HybridCipher.hpp

@@ -1,6 +1,7 @@
 #include <memory>
 #include <openssl/evp.h>
 #include <optional>
+#include <vector>
 
 #include "HybridCipherSpec.hpp"
 #include "CipherArgs.hpp"
@@ -50,6 +51,9 @@ class HybridCipher : public HybridCipherSpec {
   std::shared_ptr<ArrayBuffer>
   getAuthTag() override;
 
+  std::vector<std::string>
+  getSupportedCiphers() override;
+
  private:
   // Methods
   void init();

packages/react-native-quick-crypto/nitrogen/generated/shared/c++/HybridCipherSpec.cpp

@@ -22,6 +22,7 @@ namespace margelo::nitro::crypto {
       prototype.registerHybridMethod("setAutoPadding", &HybridCipherSpec::setAutoPadding);
       prototype.registerHybridMethod("setAuthTag", &HybridCipherSpec::setAuthTag);
       prototype.registerHybridMethod("getAuthTag", &HybridCipherSpec::getAuthTag);
+      prototype.registerHybridMethod("getSupportedCiphers", &HybridCipherSpec::getSupportedCiphers);
     });
   }
 

packages/react-native-quick-crypto/nitrogen/generated/shared/c++/HybridCipherSpec.hpp

@@ -21,6 +21,8 @@ namespace margelo::nitro::crypto { struct CipherArgs; }
 #include <NitroModules/ArrayBuffer.hpp>
 #include "CipherArgs.hpp"
 #include <optional>
+#include <vector>
+#include <string>
 
 namespace margelo::nitro::crypto {
 
@@ -61,6 +63,7 @@ namespace margelo::nitro::crypto {
       virtual bool setAutoPadding(bool autoPad) = 0;
       virtual bool setAuthTag(const std::shared_ptr<ArrayBuffer>& tag) = 0;
       virtual std::shared_ptr<ArrayBuffer> getAuthTag() = 0;
+      virtual std::vector<std::string> getSupportedCiphers() = 0;
 
     protected:
       // Hybrid Setup

packages/react-native-quick-crypto/src/cipher.ts

@@ -28,6 +28,13 @@ import {
   validateEncoding,
 } from './utils/cipher';
 
+export class CipherUtils {
+  private static native = NitroModules.createHybridObject<NativeCipher>('Cipher');
+  public static getSupportedCiphers(): string[] {
+    return this.native.getSupportedCiphers();
+  }
+}
+
 interface CipherArgs {
   cipherType: string;
   cipherKey: BinaryLikeNode;
@@ -149,6 +156,10 @@ class CipherCommon extends Stream.Transform {
     }
     return this;
   }
+
+  public getSupportedCiphers(): string[] {
+    return this.native.getSupportedCiphers();
+  }
 }
 
 export class Cipher extends CipherCommon {

packages/react-native-quick-crypto/src/specs/cipher.nitro.ts

@@ -17,4 +17,5 @@ export interface Cipher extends HybridObject<{ ios: 'c++'; android: 'c++' }> {
   setAutoPadding(autoPad: boolean): boolean;
   setAuthTag(tag: ArrayBuffer): boolean;
   getAuthTag(): ArrayBuffer;
+  getSupportedCiphers(): string[];
 }