diff options
Diffstat (limited to 'extension/background/emscriptif.js')
| -rw-r--r-- | extension/background/emscriptif.js | 78 |
1 files changed, 71 insertions, 7 deletions
diff --git a/extension/background/emscriptif.js b/extension/background/emscriptif.js index 0e4f2a209..11260c74d 100644 --- a/extension/background/emscriptif.js +++ b/extension/background/emscriptif.js @@ -21,14 +21,14 @@ const GNUNET_OK = 1; const GNUNET_YES = 1; const GNUNET_NO = 0; const GNUNET_SYSERR = -1; -let getEmsc = Module.cwrap; +let getEmsc = (...args) => Module.cwrap.apply(null, args); var emsc = { free: (ptr) => Module._free(ptr), get_value: getEmsc('TALER_WR_get_value', 'number', ['number']), get_fraction: getEmsc('TALER_WR_get_fraction', 'number', ['number']), get_currency: getEmsc('TALER_WR_get_currency', 'string', ['number']), - amount_add: getEmsc('TALER_amount_add', 'void', ['number', 'number', 'number']), - amount_subtract: getEmsc('TALER_amount_subtract', 'void', ['number', 'number', 'number']), + amount_add: getEmsc('TALER_amount_add', 'number', ['number', 'number', 'number']), + amount_subtract: getEmsc('TALER_amount_subtract', 'number', ['number', 'number', 'number']), amount_normalize: getEmsc('TALER_amount_normalize', 'void', ['number']), amount_cmp: getEmsc('TALER_amount_cmp', 'number', ['number', 'number']), amount_hton: getEmsc('TALER_amount_hton', 'void', ['number', 'number']), @@ -36,21 +36,25 @@ var emsc = { hash: getEmsc('GNUNET_CRYPTO_hash', 'void', ['number', 'number', 'number']), memmove: getEmsc('memmove', 'number', ['number', 'number', 'number']), rsa_public_key_free: getEmsc('GNUNET_CRYPTO_rsa_public_key_free', 'void', ['number']), - string_to_data: getEmsc('GNUNET_STRINGS_string_to_data', 'void', ['number', 'number', 'number', 'number']), + rsa_signature_free: getEmsc('GNUNET_CRYPTO_rsa_signature_free', 'void', ['number']), + string_to_data: getEmsc('GNUNET_STRINGS_string_to_data', 'number', ['number', 'number', 'number', 'number']), eddsa_sign: getEmsc('GNUNET_CRYPTO_eddsa_sign', 'number', ['number', 'number', 'number']), hash_create_random: getEmsc('GNUNET_CRYPTO_hash_create_random', 'void', ['number', 'number']), + rsa_blinding_key_destroy: getEmsc('GNUNET_CRYPTO_rsa_blinding_key_free', 'void', ['number']), }; var emscAlloc = { get_amount: getEmsc('TALER_WRALL_get_amount', 'number', ['number', 'number', 'number', 'string']), - eddsa_key_create: getEmsc('GNUNET_CRYPTO_eddsa_key_create', 'number'), + eddsa_key_create: getEmsc('GNUNET_CRYPTO_eddsa_key_create', 'number', []), eddsa_public_key_from_private: getEmsc('TALER_WRALL_eddsa_public_key_from_private', 'number', ['number']), data_to_string_alloc: getEmsc('GNUNET_STRINGS_data_to_string_alloc', 'number', ['number', 'number']), purpose_create: getEmsc('TALER_WRALL_purpose_create', 'number', ['number', 'number', 'number']), rsa_blind: getEmsc('GNUNET_CRYPTO_rsa_blind', 'number', ['number', 'number', 'number', 'number']), - rsa_blinding_key_create: getEmsc('GNUNET_CRYPTO_rsa_blinding_key_create', 'void', ['number']), - rsa_blinding_key_encode: getEmsc('GNUNET_CRYPTO_rsa_blinding_key_encode', 'void', ['number', 'number']), + rsa_blinding_key_create: getEmsc('GNUNET_CRYPTO_rsa_blinding_key_create', 'number', ['number']), + rsa_blinding_key_encode: getEmsc('GNUNET_CRYPTO_rsa_blinding_key_encode', 'number', ['number', 'number']), + rsa_signature_encode: getEmsc('GNUNET_CRYPTO_rsa_signature_encode', 'number', ['number', 'number']), rsa_blinding_key_decode: getEmsc('GNUNET_CRYPTO_rsa_blinding_key_decode', 'number', ['number', 'number']), rsa_public_key_decode: getEmsc('GNUNET_CRYPTO_rsa_public_key_decode', 'number', ['number', 'number']), + rsa_signature_decode: getEmsc('GNUNET_CRYPTO_rsa_signature_decode', 'number', ['number', 'number']), rsa_public_key_encode: getEmsc('GNUNET_CRYPTO_rsa_public_key_encode', 'number', ['number', 'number']), malloc: (size) => Module._malloc(size), }; @@ -72,6 +76,39 @@ class ArenaObject { arena.put(this); this.arena = arena; } + getNative() { + // We want to allow latent allocation + // of native wrappers, but we never want to + // pass 'undefined' to emscripten. + if (this._nativePtr === undefined) { + throw Error("Native pointer not initialized"); + } + return this._nativePtr; + } + free() { + if (this.nativePtr !== undefined) { + emsc.free(this.nativePtr); + this.nativePtr = undefined; + } + } + alloc(size) { + if (this.nativePtr !== undefined) { + throw Error("Double allocation"); + } + this.nativePtr = emscAlloc.malloc(size); + } + setNative(n) { + if (n === undefined) { + throw Error("Native pointer must be a number or null"); + } + this._nativePtr = n; + } + set nativePtr(v) { + this.setNative(v); + } + get nativePtr() { + return this.getNative(); + } } class Arena { constructor() { @@ -348,6 +385,14 @@ class WithdrawRequestPS extends SignatureStruct { ["h_coin_envelope", HashCode]]; } } +function encodeWith(obj, fn, arena) { + let ptr = emscAlloc.malloc(PTR_SIZE); + let len = fn(obj.getNative(), ptr); + let res = new ByteArray(len, null, arena); + res.setNative(Module.getValue(ptr, '*')); + emsc.free(ptr); + return res; +} class RsaPublicKey extends ArenaObject { static fromCrock(s, a) { let obj = new RsaPublicKey(a); @@ -374,6 +419,22 @@ class RsaPublicKey extends ArenaObject { class EddsaSignature extends PackedArenaObject { size() { return 64; } } +class RsaSignature extends ArenaObject { + static fromCrock(s, a) { + let obj = new this(a); + let buf = ByteArray.fromCrock(s); + obj.setNative(emscAlloc.rsa_signature_decode(buf.getNative(), buf.size())); + buf.destroy(); + return obj; + } + encode(arena) { + return encodeWith(this, emscAlloc.rsa_signature_encode); + } + destroy() { + emsc.rsa_signature_free(this.getNative()); + this.setNative(0); + } +} function rsaBlind(hashCode, blindingKey, pkey, arena) { let ptr = emscAlloc.malloc(PTR_SIZE); let s = emscAlloc.rsa_blind(hashCode.nativePtr, blindingKey.nativePtr, pkey.nativePtr, ptr); @@ -389,3 +450,6 @@ function eddsaSign(purpose, priv, a) { } return sig; } +function rsaUnblind(sig, bk, pk) { + throw Error("Not implemented"); +} |