From b5cc678caa1fbbfa0f2edb8d776cca815e879849 Mon Sep 17 00:00:00 2001 From: Tomas Susanka Date: Thu, 15 Mar 2018 14:52:34 +0100 Subject: [PATCH] nem: encrypt --- .../modtrezorcrypto/modtrezorcrypto-bip32.h | 39 +++++ mocks/generated/trezorcrypto.py | 5 + tests/test_apps.nem.address.py | 146 +++++++++++++++++- 3 files changed, 189 insertions(+), 1 deletion(-) diff --git a/embed/extmod/modtrezorcrypto/modtrezorcrypto-bip32.h b/embed/extmod/modtrezorcrypto/modtrezorcrypto-bip32.h index 7dacea55c..c5e509a8f 100644 --- a/embed/extmod/modtrezorcrypto/modtrezorcrypto-bip32.h +++ b/embed/extmod/modtrezorcrypto/modtrezorcrypto-bip32.h @@ -24,6 +24,7 @@ #include "bip32.h" #include "curves.h" #include "memzero.h" +#include "nem.h" /// class HDNode: /// ''' @@ -328,6 +329,43 @@ STATIC mp_obj_t mod_trezorcrypto_HDNode_nem_address(mp_obj_t self, mp_obj_t netw } STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_HDNode_nem_address_obj, mod_trezorcrypto_HDNode_nem_address); +/// def nem_encrypt(self, transfer_public_key: bytes, iv: bytes, salt: bytes, payload: bytes) -> bytes: +/// ''' +/// Encrypts payload using the transfer's public key +/// ''' +STATIC mp_obj_t mod_trezorcrypto_HDNode_nem_encrypt(size_t n_args, const mp_obj_t *args) { + mp_obj_HDNode_t *o = MP_OBJ_TO_PTR(args[0]); + + mp_buffer_info_t transfer_pk; + mp_get_buffer_raise(args[1], &transfer_pk, MP_BUFFER_READ); + if (transfer_pk.len != 32) { + mp_raise_ValueError("transfer_public_key has invalid length"); + } + + mp_buffer_info_t iv; + mp_get_buffer_raise(args[2], &iv, MP_BUFFER_READ); + if (iv.len != 16) { + mp_raise_ValueError("IV has invalid length"); + } + mp_buffer_info_t salt; + mp_get_buffer_raise(args[3], &salt, MP_BUFFER_READ); + if (salt.len != NEM_SALT_SIZE) { + mp_raise_ValueError("Salt has invalid length"); + } + mp_buffer_info_t payload; + mp_get_buffer_raise(args[4], &payload, MP_BUFFER_READ); + if (payload.len == 0) { + mp_raise_ValueError("Payload is empty"); + } + + uint8_t buffer[NEM_ENCRYPTED_SIZE(payload.len)]; + + hdnode_nem_encrypt(&o->hdnode, *(const ed25519_public_key *)transfer_pk.buf, iv.buf, salt.buf, payload.buf, payload.len, buffer); + return mp_obj_new_bytes(buffer, sizeof(buffer)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorcrypto_HDNode_nem_encrypt_obj, 5, 5, mod_trezorcrypto_HDNode_nem_encrypt); + + /// def ethereum_pubkeyhash(self) -> bytes: /// ''' /// Compute an Ethereum pubkeyhash (aka address) from the HD node. @@ -356,6 +394,7 @@ STATIC const mp_rom_map_elem_t mod_trezorcrypto_HDNode_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_public_key), MP_ROM_PTR(&mod_trezorcrypto_HDNode_public_key_obj) }, { MP_ROM_QSTR(MP_QSTR_address), MP_ROM_PTR(&mod_trezorcrypto_HDNode_address_obj) }, { MP_ROM_QSTR(MP_QSTR_nem_address), MP_ROM_PTR(&mod_trezorcrypto_HDNode_nem_address_obj) }, + { MP_ROM_QSTR(MP_QSTR_nem_encrypt), MP_ROM_PTR(&mod_trezorcrypto_HDNode_nem_encrypt_obj) }, { MP_ROM_QSTR(MP_QSTR_ethereum_pubkeyhash), MP_ROM_PTR(&mod_trezorcrypto_HDNode_ethereum_pubkeyhash_obj) }, }; STATIC MP_DEFINE_CONST_DICT(mod_trezorcrypto_HDNode_locals_dict, mod_trezorcrypto_HDNode_locals_dict_table); diff --git a/mocks/generated/trezorcrypto.py b/mocks/generated/trezorcrypto.py index ddba1f1c6..5eaeed8bd 100644 --- a/mocks/generated/trezorcrypto.py +++ b/mocks/generated/trezorcrypto.py @@ -98,6 +98,11 @@ class HDNode: Compute a NEM address string from the HD node. ''' + def nem_encrypt(self, transfer_public_key: bytes, iv: bytes, salt: bytes, payload: bytes) -> bytes: + ''' + Encrypts payload using the transfer's public key + ''' + def ethereum_pubkeyhash(self) -> bytes: ''' Compute an Ethereum pubkeyhash (aka address) from the HD node. diff --git a/tests/test_apps.nem.address.py b/tests/test_apps.nem.address.py index 580ea5a29..ee35a93df 100644 --- a/tests/test_apps.nem.address.py +++ b/tests/test_apps.nem.address.py @@ -6,8 +6,8 @@ from apps.nem.helpers import NEM_NETWORK_MAINNET, NEM_CURVE class TestNemAddress(unittest.TestCase): - # test vectors from https://raw.githubusercontent.com/NemProject/nem-test-vectors/master/1.test-keys.dat def test_addresses(self): + # test vectors from https://raw.githubusercontent.com/NemProject/nem-test-vectors/master/1.test-keys.dat # private key, public key, address test_cases = [ ('575dbb3062267eff57c970a336ebbc8fbcfe12c5bd3ed7bc11eb0481d7704ced', @@ -88,6 +88,150 @@ class TestNemAddress(unittest.TestCase): # public key is prepended with 1, removing self.assertEqual(node.public_key()[1:], unhexlify(test[1])) + def test_encryption(self): + # test vectors from https://raw.githubusercontent.com/NemProject/nem-test-vectors/master/4.test-cipher.dat + # private key, transfer public key, salt, iv, plain text, cipher text + test_cases = [ + {'private': '3140f94c79f249787d1ec75a97a885980eb8f0a7d9b7aa03e7200296e422b2b6', + 'public': '57a70eb553a7b3fd621f0dba6abf51312ea2e2a2a1e19d0305516730f4bcbd21', + 'salt': '83616c67f076d356fd1288a6e0fd7a60488ba312a3adf0088b1b33c7655c3e6a', + 'iv': 'a73ff5c32f8fd055b09775817a6a3f95', + 'input': '86ddb9e713a8ebf67a51830eff03b837e147c20d75e67b2a54aa29e98c', + 'output': '70815da779b1b954d7a7f00c16940e9917a0412a06a444b539bf147603eef87f'}, + {'private': '3140f94c79f249787d1ec75a97a885980eb8f0a7d9b7aa03e7200296e422b2b6', + 'public': '57a70eb553a7b3fd621f0dba6abf51312ea2e2a2a1e19d0305516730f4bcbd21', + 'salt': '703ce0b1d276b10eef35672df03234385a903460db18ba9d4e05b3ad31abb284', + 'iv': '91246c2d5493867c4fa3e78f85963677', + 'input': '86ddb9e713a8ebf67a51830eff03b837e147c20d75e67b2a54aa29e98c', + 'output': '564b2f40d42c0efc1bd6f057115a5abd1564cae36d7ccacf5d825d38401aa894'}, + {'private': '3140f94c79f249787d1ec75a97a885980eb8f0a7d9b7aa03e7200296e422b2b6', + 'public': '57a70eb553a7b3fd621f0dba6abf51312ea2e2a2a1e19d0305516730f4bcbd21', + 'salt': 'b22e8e8e7373ac31ca7f0f6eb8b93130aba5266772a658593f3a11792e7e8d92', + 'iv': '9f8e33d82374dad6aac0e3dbe7aea704', + 'input': '86ddb9e713a8ebf67a51830eff03b837e147c20d75e67b2a54aa29e98c', + 'output': '7cab88d00a3fc656002eccbbd966e1d5d14a3090d92cf502cdbf843515625dcf'}, + {'private': '3140f94c79f249787d1ec75a97a885980eb8f0a7d9b7aa03e7200296e422b2b6', + 'public': '57a70eb553a7b3fd621f0dba6abf51312ea2e2a2a1e19d0305516730f4bcbd21', + 'salt': 'af646c54cd153dffe453b60efbceeb85c1e95a414ea0036c4da94afb3366f5d9', + 'iv': '6acdf8e01acc8074ddc807281b6af888', + 'input': '86ddb9e713a8ebf67a51830eff03b837e147c20d75e67b2a54aa29e98c', + 'output': 'aa70543a485b63a4dd141bb7fd78019092ac6fad731e914280a287c7467bae1a'}, + {'private': '3140f94c79f249787d1ec75a97a885980eb8f0a7d9b7aa03e7200296e422b2b6', + 'public': '57a70eb553a7b3fd621f0dba6abf51312ea2e2a2a1e19d0305516730f4bcbd21', + 'salt': 'd9c0d386636c8a024935c024589f9cd39e820a16485b14951e690a967830e269', + 'iv': 'f2e9f18aeb374965f54d2f4e31189a8f', + 'input': '86ddb9e713a8ebf67a51830eff03b837e147c20d75e67b2a54aa29e98c', + 'output': '33d97c216ea6498dfddabf94c2e2403d73efc495e9b284d9d90aaff840217d25'}, + {'private': 'd5c0762ecea2cd6b5c56751b58debcb32713aab348f4a59c493e38beb3244f3a', + 'public': '66a35941d615b5644d19c2a602c363ada8b1a8a0dac3682623852dcab4afac04', + 'salt': '06c227baac1ae3b0b1dc583f4850f13f9ba5d53be4a98fa5c3ea16217847530d', + 'iv': '3735123e78c44895df6ea33fa57e9a72', + 'input': '86ddb9e713a8ebf67a51830eff03b837e147c20d75e67b2a54aa29e98c', + 'output': 'd5b5d66ba8cee0eb7ecf95b143fa77a46d6de13749e12eff40f5a7e649167ccb'}, + {'private': 'd5c0762ecea2cd6b5c56751b58debcb32713aab348f4a59c493e38beb3244f3a', + 'public': '66a35941d615b5644d19c2a602c363ada8b1a8a0dac3682623852dcab4afac04', + 'salt': '92f55ba5bc6fc2f23e3eedc299357c71518e36ba2447a4da7a9dfe9dfeb107b5', + 'iv': '1cbc4982e53e370052af97ab088fa942', + 'input': '86ddb9e713a8ebf67a51830eff03b837e147c20d75e67b2a54aa29e98c', + 'output': 'd48ef1ef526d805656cfc932aff259eadb17aa3391dde1877a722cba31d935b2'}, + {'private': 'd5c0762ecea2cd6b5c56751b58debcb32713aab348f4a59c493e38beb3244f3a', + 'public': '66a35941d615b5644d19c2a602c363ada8b1a8a0dac3682623852dcab4afac04', + 'salt': '10f15a39ba49866292a43b7781bc71ca8bbd4889f1616461caf056bcb91b0158', + 'iv': 'c40d531d92bfee969dce91417346c892', + 'input': '49de3cd5890e0cd0559f143807ff688ff62789b7236a332b7d7255ec0b4e73e6b3a4', + 'output': 'e6d75afdb542785669b42198577c5b358d95397d71ec6f5835dca46d332cc08dbf73ea790b7bcb169a65719c0d55054c'}, + {'private': 'd5c0762ecea2cd6b5c56751b58debcb32713aab348f4a59c493e38beb3244f3a', + 'public': '66a35941d615b5644d19c2a602c363ada8b1a8a0dac3682623852dcab4afac04', + 'salt': '9c01ed42b219b3bbe1a43ae9d7af5c1dd09363baacfdba8f4d03d1046915e26e', + 'iv': '059a35d5f83249e632790015ed6518b9', + 'input': '49de3cd5890e0cd0559f143807ff688ff62789b7236a332b7d7255ec0b4e73e6b3a4', + 'output': '5ef11aadff2eccee8b712dab968fa842eb770818ec0e6663ed242ea8b6bbc1c66d6285ee5b5f03d55dfee382fb4fa25d'}, + {'private': 'd5c0762ecea2cd6b5c56751b58debcb32713aab348f4a59c493e38beb3244f3a', + 'public': '66a35941d615b5644d19c2a602c363ada8b1a8a0dac3682623852dcab4afac04', + 'salt': 'bc1067e2a7415ea45ff1ca9894338c591ff15f2e57ae2789ae31b9d5bea0f11e', + 'iv': '8c73f0d6613898daeefa3cf8b0686d37', + 'input': '49de3cd5890e0cd0559f143807ff688ff62789b7236a332b7d7255ec0b4e73e6b3a4', + 'output': '6d220213b1878cd40a458f2a1e6e3b48040455fdf504dcd857f4f2ca1ad642e3a44fc401d04e339d302f66a9fad3d919'}, + {'private': '9ef87ba8aa2e664bdfdb978b98bc30fb61773d9298e7b8c72911683eeff41921', + 'public': '441e76d7e53be0a967181076a842f69c20fd8c0e3f0ce3aa421b490b059fe094', + 'salt': 'cf4a21cb790552165827b678ca9695fcaf77566d382325112ff79483455de667', + 'iv': 'bfbf5482e06f55b88bdd9e053b7eee6e', + 'input': '49de3cd5890e0cd0559f143807ff688ff62789b7236a332b7d7255ec0b4e73e6b3a4', + 'output': '1198a78c29c215d5c450f7b8513ead253160bc9fde80d9cc8e6bee2efe9713cf5a09d6293c41033271c9e8c22036a28b'}, + {'private': '9ef87ba8aa2e664bdfdb978b98bc30fb61773d9298e7b8c72911683eeff41921', + 'public': '441e76d7e53be0a967181076a842f69c20fd8c0e3f0ce3aa421b490b059fe094', + 'salt': 'eba5eae8aef79114082c3e70baef95bb02edf13b3897e8be7a70272962ef8838', + 'iv': 'af9a56da3da18e2fbd2948a16332532b', + 'input': '49de3cd5890e0cd0559f143807ff688ff62789b7236a332b7d7255ec0b4e73e6b3a4', + 'output': '1062ab5fbbdee9042ad35bdadfd3047c0a2127fe0f001da1be1b0582185edfc9687be8d68f85795833bb04af9cedd3bb'}, + {'private': '9ef87ba8aa2e664bdfdb978b98bc30fb61773d9298e7b8c72911683eeff41921', + 'public': '441e76d7e53be0a967181076a842f69c20fd8c0e3f0ce3aa421b490b059fe094', + 'salt': '518f8dfd0c138f1ffb4ea8029db15441d70abd893c3d767dc668f23ba7770e27', + 'iv': '42d28307974a1b2a2d921d270cfce03b', + 'input': '49de3cd5890e0cd0559f143807ff688ff62789b7236a332b7d7255ec0b4e73e6b3a4', + 'output': '005e49fb7c5da540a84b034c853fc9f78a6b901ea495aed0c2abd4f08f1a96f9ffefc6a57f1ac09e0aea95ca0f03ffd8'}, + {'private': '9ef87ba8aa2e664bdfdb978b98bc30fb61773d9298e7b8c72911683eeff41921', + 'public': '441e76d7e53be0a967181076a842f69c20fd8c0e3f0ce3aa421b490b059fe094', + 'salt': '582fdf58b53715c26e10ba809e8f2ab70502e5a3d4e9a81100b7227732ab0bbc', + 'iv': '91f2aad3189bb2edc93bc891e73911ba', + 'input': '49de3cd5890e0cd0559f143807ff688ff62789b7236a332b7d7255ec0b4e73e6b3a4', + 'output': '821a69cb16c57f0cb866e590b38069e35faec3ae18f158bb067db83a11237d29ab1e6b868b3147236a0958f15c2e2167'}, + {'private': '9ef87ba8aa2e664bdfdb978b98bc30fb61773d9298e7b8c72911683eeff41921', + 'public': '441e76d7e53be0a967181076a842f69c20fd8c0e3f0ce3aa421b490b059fe094', + 'salt': 'a415b4c006118fb72fc37b2746ef288e23ac45c8ff7ade5f368a31557b6ac93a', + 'iv': '2b7c5f75606c0b8106c6489ea5657a9e', + 'input': '24512b714aefd5cbc4bcc4ef44ce6c67ffc447c65460a6c6e4a92e85', + 'output': '2781d5ee8ef1cb1596f8902b33dfae5045f84a987ca58173af5830dbce386062'}, + {'private': 'ed93c5a101ab53382ceee4f7e6b5aa112621d3bb9d18891509b1834ede235bcc', + 'public': '5a5e14c633d7d269302849d739d80344ff14db51d7bcda86045723f05c4e4541', + 'salt': '47e73ec362ea82d3a7c5d55532ad51d2cdf5316b981b2b2bd542b0efa027e8ea', + 'iv': 'b2193f59030c8d05a7d3577b7f64dd33', + 'input': '24512b714aefd5cbc4bcc4ef44ce6c67ffc447c65460a6c6e4a92e85', + 'output': '3f43912db8dd6672b9996e5272e18c4b88fec9d7e8372db9c5f4709a4af1d86f'}, + {'private': 'ed93c5a101ab53382ceee4f7e6b5aa112621d3bb9d18891509b1834ede235bcc', + 'public': '5a5e14c633d7d269302849d739d80344ff14db51d7bcda86045723f05c4e4541', + 'salt': 'aaa006c57b6d1e402650577fe9787d8d285f4bacd7c01f998be49c766f8860c7', + 'iv': '130304ddb9adc8870cf56bcae9487b7f', + 'input': '24512b714aefd5cbc4bcc4ef44ce6c67ffc447c65460a6c6e4a92e85', + 'output': '878cc7d8c0ef8dac0182a78eedc8080a402f59d8062a6b4ca8f4a74f3c3b3de7'}, + {'private': 'ed93c5a101ab53382ceee4f7e6b5aa112621d3bb9d18891509b1834ede235bcc', + 'public': '5a5e14c633d7d269302849d739d80344ff14db51d7bcda86045723f05c4e4541', + 'salt': '28dc7ccd6c2a939eef64b8be7b9ae248295e7fcd8471c22fa2f98733fea97611', + 'iv': 'cb13890d3a11bc0a7433738263006710', + 'input': '24512b714aefd5cbc4bcc4ef44ce6c67ffc447c65460a6c6e4a92e85', + 'output': 'e74ded846bebfa912fa1720e4c1415e6e5df7e7a1a7fedb5665d68f1763209a4'}, + {'private': 'ed93c5a101ab53382ceee4f7e6b5aa112621d3bb9d18891509b1834ede235bcc', + 'public': '5a5e14c633d7d269302849d739d80344ff14db51d7bcda86045723f05c4e4541', + 'salt': '79974fa2cad95154d0873902c153ccc3e7d54b17f2eeb3f29b6344cad9365a9a', + 'iv': '22123357979d20f44cc8eb0263d84e0e', + 'input': '24512b714aefd5cbc4bcc4ef44ce6c67ffc447c65460a6c6e4a92e85', + 'output': 'eb14dec7b8b64d81a2ee4db07b0adf144d4f79a519bbf332b823583fa2d45405'}, + {'private': 'ed93c5a101ab53382ceee4f7e6b5aa112621d3bb9d18891509b1834ede235bcc', + 'public': '5a5e14c633d7d269302849d739d80344ff14db51d7bcda86045723f05c4e4541', + 'salt': '3409a6f8c4dcd9bd04144eb67e55a98696b674735b01bf1196191f29871ef966', + 'iv': 'a823a0965969380ea1f8659ea5fd8fdd', + 'input': '24512b714aefd5cbc4bcc4ef44ce6c67ffc447c65460a6c6e4a92e85', + 'output': '00a7eb708eae745847173f8217efb05be13059710aee632e3f471ac3c6202b51'}, + ] + + for test in test_cases: + private_key = bytearray(reversed(unhexlify(test['private']))) + node = bip32.HDNode( + depth=0, + fingerprint=0, + child_num=0, + chain_code=bytearray(32), + private_key=private_key, + curve_name=NEM_CURVE + ) + + encrypted = node.nem_encrypt(unhexlify(test['public']), + unhexlify(test['iv']), + unhexlify(test['salt']), + unhexlify(test['input'])) + + self.assertEqual(encrypted, unhexlify(test['output'])) + if __name__ == '__main__': unittest.main()