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| 1 | +use neon::prelude::*; |
| 2 | +use neon::types::JsBuffer; |
| 3 | +use rand; |
| 4 | +use recrypt::api::{ |
| 5 | + Api, CryptoOps, Ed25519, Ed25519Ops, KeyGenOps, PrivateSigningKey, PublicSigningKey, |
| 6 | + RandomBytes, Sha256, |
| 7 | +}; |
| 8 | +use util; |
| 9 | + |
| 10 | +pub struct RecryptApi256 { |
| 11 | + api: Api<Sha256, Ed25519, RandomBytes<rand::ThreadRng>>, |
| 12 | +} |
| 13 | + |
| 14 | +declare_types! { |
| 15 | + pub class Api256 for RecryptApi256 { |
| 16 | + init(_cx) { |
| 17 | + Ok(RecryptApi256 {api: Api::new()}) |
| 18 | + } |
| 19 | + |
| 20 | + method generateKeyPair(mut cx) { |
| 21 | + let (priv_key, pub_key) = { |
| 22 | + let mut this = cx.this(); |
| 23 | + let guard = cx.lock(); |
| 24 | + let mut recrypt_api_256 = this.borrow_mut(&guard); |
| 25 | + recrypt_api_256.api.generate_key_pair().unwrap() |
| 26 | + }; |
| 27 | + |
| 28 | + let key_pair: Handle<JsObject> = cx.empty_object(); |
| 29 | + |
| 30 | + let priv_key_buffer = util::bytes_to_buffer(&mut cx, priv_key.bytes())?; |
| 31 | + let public_key_obj = util::public_key_to_js_object(&mut cx, &pub_key)?; |
| 32 | + |
| 33 | + key_pair.set(&mut cx, "privateKey", priv_key_buffer)?; |
| 34 | + key_pair.set(&mut cx, "publicKey", public_key_obj)?; |
| 35 | + |
| 36 | + Ok(key_pair.upcast()) |
| 37 | + } |
| 38 | + |
| 39 | + method generateEd25519KeyPair(mut cx) { |
| 40 | + let (priv_key, pub_key) = { |
| 41 | + let mut this = cx.this(); |
| 42 | + let guard = cx.lock(); |
| 43 | + let mut recrypt_api_256 = this.borrow_mut(&guard); |
| 44 | + recrypt_api_256.api.generate_ed25519_key_pair() |
| 45 | + }; |
| 46 | + |
| 47 | + let signing_key_pair: Handle<JsObject> = cx.empty_object(); |
| 48 | + let priv_key_buffer = util::bytes_to_buffer(&mut cx, priv_key.bytes())?; |
| 49 | + let pub_key_buffer = util::bytes_to_buffer(&mut cx, pub_key.bytes())?; |
| 50 | + |
| 51 | + signing_key_pair.set(&mut cx, "privateKey", priv_key_buffer)?; |
| 52 | + signing_key_pair.set(&mut cx, "publicKey", pub_key_buffer)?; |
| 53 | + |
| 54 | + Ok(signing_key_pair.upcast()) |
| 55 | + } |
| 56 | + |
| 57 | + method generatePlaintext(mut cx) { |
| 58 | + let plaintext = { |
| 59 | + let mut this = cx.this(); |
| 60 | + let guard = cx.lock(); |
| 61 | + let mut recrypt_api_256 = this.borrow_mut(&guard); |
| 62 | + recrypt_api_256.api.gen_plaintext() |
| 63 | + }; |
| 64 | + |
| 65 | + let plaintext_buffer = util::bytes_to_buffer(&mut cx, plaintext.bytes())?; |
| 66 | + Ok(plaintext_buffer.upcast()) |
| 67 | + } |
| 68 | + |
| 69 | + method generateTransformKey(mut cx) { |
| 70 | + let from_private_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(0)?; |
| 71 | + let to_public_key_obj: Handle<JsObject> = cx.argument::<JsObject>(1)?; |
| 72 | + let public_signing_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(2)?; |
| 73 | + let private_signing_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(3)?; |
| 74 | + |
| 75 | + let to_public_key = util::js_object_to_public_key(&mut cx, to_public_key_obj); |
| 76 | + let public_signing_key = PublicSigningKey::new(util::buffer_to_fixed_32_bytes(&mut cx, public_signing_key_buffer, "publicSigningKey")); |
| 77 | + let private_signing_key = PrivateSigningKey::new(util::buffer_to_fixed_64_bytes(&mut cx, private_signing_key_buffer, "privateSigningKey")); |
| 78 | + |
| 79 | + let transform_key = { |
| 80 | + let mut this = cx.this(); |
| 81 | + let guard = cx.lock(); |
| 82 | + let mut recrypt_api_256 = this.borrow_mut(&guard); |
| 83 | + recrypt_api_256.api.generate_transform_key( |
| 84 | + util::buffer_to_private_key(&cx, from_private_key_buffer), |
| 85 | + to_public_key, |
| 86 | + public_signing_key, |
| 87 | + private_signing_key |
| 88 | + ).unwrap() |
| 89 | + }; |
| 90 | + |
| 91 | + Ok(util::transform_key_to_js_object(&mut cx, transform_key)?.upcast()) |
| 92 | + } |
| 93 | + |
| 94 | + method computePublicKey(mut cx){ |
| 95 | + let private_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(0)?; |
| 96 | + let derived_public_key = { |
| 97 | + let this = cx.this(); |
| 98 | + let guard = cx.lock(); |
| 99 | + let recrypt_api_256 = &this.borrow(&guard).api; |
| 100 | + recrypt_api_256.compute_public_key(&util::buffer_to_private_key(&cx, private_key_buffer)).unwrap() |
| 101 | + }; |
| 102 | + |
| 103 | + Ok(util::public_key_to_js_object(&mut cx, &derived_public_key)?.upcast()) |
| 104 | + } |
| 105 | + |
| 106 | + method deriveSymmetricKey(mut cx){ |
| 107 | + let plaintext_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(0)?; |
| 108 | + |
| 109 | + let decrypted_symmetric_key = { |
| 110 | + let mut this = cx.this(); |
| 111 | + let guard = cx.lock(); |
| 112 | + let mut recrypt_api_256 = this.borrow_mut(&guard); |
| 113 | + recrypt_api_256.api.derive_symmetric_key(&util::buffer_to_plaintext(&cx, plaintext_buffer)) |
| 114 | + }; |
| 115 | + |
| 116 | + Ok(util::bytes_to_buffer(&mut cx, decrypted_symmetric_key.bytes())?.upcast()) |
| 117 | + } |
| 118 | + |
| 119 | + method encrypt(mut cx) { |
| 120 | + let plaintext_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(0)?; |
| 121 | + let to_public_key_obj: Handle<JsObject> = cx.argument::<JsObject>(1)?; |
| 122 | + let public_signing_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(2)?; |
| 123 | + let private_signing_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(3)?; |
| 124 | + |
| 125 | + let public_key = util::js_object_to_public_key(&mut cx, to_public_key_obj); |
| 126 | + let public_signing_key = PublicSigningKey::new(util::buffer_to_fixed_32_bytes(&mut cx, public_signing_key_buffer, "publicSigningKey")); |
| 127 | + let private_signing_key = PrivateSigningKey::new(util::buffer_to_fixed_64_bytes(&mut cx, private_signing_key_buffer, "privateSigningKey")); |
| 128 | + |
| 129 | + let encrypted_value = { |
| 130 | + let mut this = cx.this(); |
| 131 | + let guard = cx.lock(); |
| 132 | + let mut recrypt_api_256 = this.borrow_mut(&guard); |
| 133 | + recrypt_api_256.api.encrypt( |
| 134 | + util::buffer_to_plaintext(&cx, plaintext_buffer), |
| 135 | + public_key, |
| 136 | + public_signing_key, |
| 137 | + private_signing_key |
| 138 | + ).unwrap() |
| 139 | + }; |
| 140 | + |
| 141 | + Ok(util::encrypted_value_to_js_object(&mut cx, encrypted_value)?.upcast()) |
| 142 | + } |
| 143 | + |
| 144 | + method transform(mut cx) { |
| 145 | + let encrypted_value_obj: Handle<JsObject> = cx.argument::<JsObject>(0)?; |
| 146 | + let transform_key_obj: Handle<JsObject> = cx.argument::<JsObject>(1)?; |
| 147 | + let public_signing_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(2)?; |
| 148 | + let private_signing_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(3)?; |
| 149 | + |
| 150 | + let encrypted_value = util::js_object_to_encrypted_value(&mut cx, encrypted_value_obj); |
| 151 | + let transform_key = util::js_object_to_transform_key(&mut cx, transform_key_obj); |
| 152 | + let public_signing_key = PublicSigningKey::new(util::buffer_to_fixed_32_bytes(&mut cx, public_signing_key_buffer, "publicSigningKey")); |
| 153 | + let private_signing_key = PrivateSigningKey::new(util::buffer_to_fixed_64_bytes(&mut cx, private_signing_key_buffer, "privateSigningKey")); |
| 154 | + |
| 155 | + let transformed_encrypted_value = { |
| 156 | + let mut this = cx.this(); |
| 157 | + let guard = cx.lock(); |
| 158 | + let mut recrypt_api_256 = this.borrow_mut(&guard); |
| 159 | + recrypt_api_256.api.transform(encrypted_value, transform_key, public_signing_key, private_signing_key).unwrap() |
| 160 | + }; |
| 161 | + |
| 162 | + Ok(util::encrypted_value_to_js_object(&mut cx, transformed_encrypted_value)?.upcast()) |
| 163 | + } |
| 164 | + |
| 165 | + method decrypt(mut cx) { |
| 166 | + let encrypted_value_obj: Handle<JsObject> = cx.argument::<JsObject>(0)?; |
| 167 | + let private_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(1)?; |
| 168 | + |
| 169 | + let encrypted_value = util::js_object_to_encrypted_value(&mut cx, encrypted_value_obj); |
| 170 | + |
| 171 | + let decrypted_value = { |
| 172 | + let this = cx.this(); |
| 173 | + let guard = cx.lock(); |
| 174 | + let recrypt_api_256 = &this.borrow(&guard).api; |
| 175 | + recrypt_api_256.decrypt( |
| 176 | + encrypted_value, |
| 177 | + util::buffer_to_private_key(&cx, private_key_buffer) |
| 178 | + ).unwrap() |
| 179 | + }; |
| 180 | + |
| 181 | + Ok(util::bytes_to_buffer(&mut cx, decrypted_value.bytes())?.upcast()) |
| 182 | + } |
| 183 | + } |
| 184 | +} |
| 185 | + |
| 186 | +/// |
| 187 | +/// Augment the provided transform key with the provided private key. Returns an augmented TransformKey object. |
| 188 | +/// |
| 189 | +pub fn augment_transform_key_256(mut cx: FunctionContext) -> JsResult<JsObject> { |
| 190 | + let transform_key_obj: Handle<JsObject> = cx.argument::<JsObject>(0)?; |
| 191 | + let private_key_buffer: Handle<JsBuffer> = cx.argument::<JsBuffer>(1)?; |
| 192 | + let transform_key = util::js_object_to_transform_key(&mut cx, transform_key_obj); |
| 193 | + |
| 194 | + let augmented_transform_key = transform_key |
| 195 | + .augment(&util::buffer_to_private_key(&cx, private_key_buffer)) |
| 196 | + .unwrap(); |
| 197 | + |
| 198 | + Ok(util::transform_key_to_js_object(&mut cx, augmented_transform_key)?.upcast()) |
| 199 | +} |
| 200 | + |
| 201 | +/// |
| 202 | +/// Augment the provided public key with the other provided public key. Returns a new augmented PublicKey object. |
| 203 | +/// |
| 204 | +pub fn augment_public_key_256(mut cx: FunctionContext) -> JsResult<JsObject> { |
| 205 | + let current_public_key_obj: Handle<JsObject> = cx.argument::<JsObject>(0)?; |
| 206 | + let other_public_key_obj: Handle<JsObject> = cx.argument::<JsObject>(1)?; |
| 207 | + |
| 208 | + let current_public_key = util::js_object_to_public_key(&mut cx, current_public_key_obj); |
| 209 | + |
| 210 | + let augmented_public_key = current_public_key |
| 211 | + .augment(&util::js_object_to_public_key( |
| 212 | + &mut cx, |
| 213 | + other_public_key_obj, |
| 214 | + )).unwrap(); |
| 215 | + |
| 216 | + Ok(util::public_key_to_js_object(&mut cx, &augmented_public_key)?.upcast()) |
| 217 | +} |
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