mirror of https://github.com/nucypher/pyUmbral.git
Merge branch 'master' into master
Tux
GitHub
commit
1d02c050b2
3
Pipfile
3
Pipfile
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@ -7,7 +7,7 @@ name = "pypi"
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[packages]
|
||||
|
||||
cryptography = "*"
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cryptography = ">=2.2"
|
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pynacl = "*"
|
||||
|
||||
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@ -22,3 +22,4 @@ pytest-mock = "*"
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codecov = "*"
|
||||
sphinx = "*"
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||||
sphinx-autobuild = "*"
|
||||
cryptography = ">=2.2"
|
||||
|
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|||
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@ -1,20 +1,20 @@
|
|||
{
|
||||
"_meta": {
|
||||
"hash": {
|
||||
"sha256": "33b7467bbee46dd21209de1da9b4a785b4619d0a115054292cb0a2a4fd813621"
|
||||
"sha256": "d90f90e9d0429f7ce6c908ef78c745c01f12bf93c160270188037d6c8481df5b"
|
||||
},
|
||||
"host-environment-markers": {
|
||||
"implementation_name": "cpython",
|
||||
"implementation_version": "3.6.3",
|
||||
"implementation_version": "3.6.2",
|
||||
"os_name": "posix",
|
||||
"platform_machine": "x86_64",
|
||||
"platform_python_implementation": "CPython",
|
||||
"platform_release": "4.13.0-32-generic",
|
||||
"platform_system": "Linux",
|
||||
"platform_version": "#35-Ubuntu SMP Thu Jan 25 09:13:46 UTC 2018",
|
||||
"python_full_version": "3.6.3",
|
||||
"platform_release": "17.4.0",
|
||||
"platform_system": "Darwin",
|
||||
"platform_version": "Darwin Kernel Version 17.4.0: Sun Dec 17 09:19:54 PST 2017; root:xnu-4570.41.2~1/RELEASE_X86_64",
|
||||
"python_full_version": "3.6.2",
|
||||
"python_version": "3.6",
|
||||
"sys_platform": "linux"
|
||||
"sys_platform": "darwin"
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||||
},
|
||||
"pipfile-spec": 6,
|
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"requires": {},
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@ -36,64 +36,58 @@
|
|||
},
|
||||
"cffi": {
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||||
"hashes": [
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"sha256:5d0d7023b72794ea847725680e2156d1d01bc698a9007fccce46d03c904fe093",
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"sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743",
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"sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
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"sha256:ba5e697569f84b13640c9e193170e89c13c6244c24400fc57e88724ef610cd31",
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"sha256:79f9b6f7c46ae1f8ded75f68cf8ad50e5729ed4d590c74840471fc2823457d04",
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"sha256:b0f7d4a3df8f06cf49f9f121bead236e328074de6449866515cea4907bbc63d6",
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"sha256:4c91af6e967c2015729d3e69c2e51d92f9898c330d6a851bf8f121236f3defd3",
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"sha256:95d5251e4b5ca00061f9d9f3d6fe537247e145a8524ae9fd30a2f8fbce993b5b",
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||||
"sha256:b75110fb114fa366b29a027d0c9be3709579602ae111ff61674d28c93606acca",
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"sha256:ae5e35a2c189d397b91034642cb0eab0e346f776ec2eb44a49a459e6615d6e2e",
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||||
"sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb",
|
||||
"sha256:9d1d3e63a4afdc29bd76ce6aa9d58c771cd1599fbba8cf5057e7860b203710dd",
|
||||
"sha256:be2a9b390f77fd7676d80bc3cdc4f8edb940d8c198ed2d8c0be1319018c778e1",
|
||||
"sha256:ed01918d545a38998bfa5902c7c00e0fee90e957ce036a4000a88e3fe2264917",
|
||||
"sha256:857959354ae3a6fa3da6651b966d13b0a8bed6bbc87a0de7b38a549db1d2a359",
|
||||
"sha256:2ba8a45822b7aee805ab49abfe7eec16b90587f7f26df20c71dd89e45a97076f",
|
||||
"sha256:a36c5c154f9d42ec176e6e620cb0dd275744aa1d804786a71ac37dc3661a5e95",
|
||||
"sha256:e55e22ac0a30023426564b1059b035973ec82186ddddbac867078435801c7801",
|
||||
"sha256:3eb6434197633b7748cea30bf0ba9f66727cdce45117a712b29a443943733257",
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"sha256:ecbb7b01409e9b782df5ded849c178a0aa7c906cf8c5a67368047daab282b184",
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"sha256:770f3782b31f50b68627e22f91cb182c48c47c02eb405fd689472aa7b7aa16dc",
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"sha256:d5d8555d9bfc3f02385c1c37e9f998e2011f0db4f90e250e5bc0c0a85a813085",
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"sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
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"sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4"
|
||||
],
|
||||
"markers": "platform_python_implementation != 'PyPy'",
|
||||
"version": "==1.11.4"
|
||||
"version": "==1.11.5"
|
||||
},
|
||||
"cryptography": {
|
||||
"hashes": [
|
||||
"sha256:69285f5615507b6625f89ea1048addd1d9218585fb886eb90bdebb1d2b2d26f5",
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
"sha256:28e4e9a97713aa47b5ef9c5003def2eb58aec89781ef3ef82b1c2916a8b0639b",
|
||||
"sha256:a3c180d12ffb1d8ee5b33a514a5bcb2a9cc06cc89aa74038015591170c82f55d",
|
||||
"sha256:8487524a1212223ca6dc7e2c8913024618f7ff29855c98869088e3818d5f6733",
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"sha256:527c096af06aa0620d3d361b17e6d314e9d4800ce53c2ad841d9fe5a82488acd",
|
||||
"sha256:2ec7cc10a65b6ea9efd46e9c6f247e01c707c92074d2ba0be5c2641defe858f7",
|
||||
"sha256:0e426fcb6e6f9100b3e3373458888cc6deb5934e6c4a26996ad720de35bce276",
|
||||
"sha256:b323325ea2dcacfdf3ff8f82a1069ab9e65353cc433625c4ebe54ed70ced4137",
|
||||
"sha256:252185cbe85c057796458f365425d45d7cd7f748ca53dbc906359a22e156cfd2",
|
||||
"sha256:8c0f5b4001fcaf742f9d74b483249d4675de2f837146baf8f2e4a7999993fcb4",
|
||||
"sha256:0f11c46e22bb4c2f6811ae408fb72e262116e864cf1e75d9503bd6a5ced04fb4",
|
||||
"sha256:064e820797b6992104041e74a32f912b4e4279da4e7821daa31b580de1fa910c",
|
||||
"sha256:30427c764aa0fcc6983af78bcbd540e10a87a094cbe428006329c6666ce00db8",
|
||||
"sha256:0222f19fa29c609b4be4bc260db6ab9bfabca1b2626ebf97875cca21ac60d968",
|
||||
"sha256:f5a0279e362c37e2150a32fe35ec20226e9237b6c9927fce8d53ef8e49e64f48"
|
||||
],
|
||||
"version": "==2.1.4"
|
||||
"version": "==2.2"
|
||||
},
|
||||
"idna": {
|
||||
"hashes": [
|
||||
|
|
@ -152,6 +146,14 @@
|
|||
],
|
||||
"version": "==0.7.10"
|
||||
},
|
||||
"appnope": {
|
||||
"hashes": [
|
||||
"sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0",
|
||||
"sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"
|
||||
],
|
||||
"markers": "sys_platform == 'darwin'",
|
||||
"version": "==0.1.0"
|
||||
},
|
||||
"argh": {
|
||||
"hashes": [
|
||||
"sha256:a9b3aaa1904eeb78e32394cd46c6f37ac0fb4af6dc488daa58971bdc7d7fcaf3",
|
||||
|
|
@ -159,6 +161,13 @@
|
|||
],
|
||||
"version": "==0.26.2"
|
||||
},
|
||||
"asn1crypto": {
|
||||
"hashes": [
|
||||
"sha256:2f1adbb7546ed199e3c90ef23ec95c5cf3585bac7d11fb7eb562a3fe89c64e87",
|
||||
"sha256:9d5c20441baf0cb60a4ac34cc447c6c189024b6b4c6cd7877034f4965c464e49"
|
||||
],
|
||||
"version": "==0.24.0"
|
||||
},
|
||||
"attrs": {
|
||||
"hashes": [
|
||||
"sha256:a17a9573a6f475c99b551c0e0a812707ddda1ec9653bed04c13841404ed6f450",
|
||||
|
|
@ -180,6 +189,39 @@
|
|||
],
|
||||
"version": "==2018.1.18"
|
||||
},
|
||||
"cffi": {
|
||||
"hashes": [
|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
"sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
|
||||
"sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4"
|
||||
],
|
||||
"markers": "platform_python_implementation != 'PyPy'",
|
||||
"version": "==1.11.5"
|
||||
},
|
||||
"chardet": {
|
||||
"hashes": [
|
||||
"sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691",
|
||||
|
|
@ -235,6 +277,28 @@
|
|||
],
|
||||
"version": "==4.5.1"
|
||||
},
|
||||
"cryptography": {
|
||||
"hashes": [
|
||||
"sha256:f1d2d8e808523bac32737d167f3b7370429a9e575d156e887779310e57e41b5d",
|
||||
"sha256:f76e27b5a57337352b59b79a342264b9a8557dc11174e6ec222d0b5e266b132f",
|
||||
"sha256:aead0332e00ae18045f3d4a8eea3891be095aa5bb3a74ea0affa49fe80c40ecd",
|
||||
"sha256:ee37235d837c9b6bdd921d396017b65df67c4c16befc1772be5266304fdaf427",
|
||||
"sha256:cc5a53061d65bc8f80b08645b32c814071630e763a897b0db72fbb0e170fc93f",
|
||||
"sha256:a0d0f1a7aebeb9a4145ee09a4667a7510caf97bd127c4b5d6332d013050a7567",
|
||||
"sha256:527c096af06aa0620d3d361b17e6d314e9d4800ce53c2ad841d9fe5a82488acd",
|
||||
"sha256:2ec7cc10a65b6ea9efd46e9c6f247e01c707c92074d2ba0be5c2641defe858f7",
|
||||
"sha256:0e426fcb6e6f9100b3e3373458888cc6deb5934e6c4a26996ad720de35bce276",
|
||||
"sha256:b323325ea2dcacfdf3ff8f82a1069ab9e65353cc433625c4ebe54ed70ced4137",
|
||||
"sha256:252185cbe85c057796458f365425d45d7cd7f748ca53dbc906359a22e156cfd2",
|
||||
"sha256:8c0f5b4001fcaf742f9d74b483249d4675de2f837146baf8f2e4a7999993fcb4",
|
||||
"sha256:0f11c46e22bb4c2f6811ae408fb72e262116e864cf1e75d9503bd6a5ced04fb4",
|
||||
"sha256:064e820797b6992104041e74a32f912b4e4279da4e7821daa31b580de1fa910c",
|
||||
"sha256:30427c764aa0fcc6983af78bcbd540e10a87a094cbe428006329c6666ce00db8",
|
||||
"sha256:0222f19fa29c609b4be4bc260db6ab9bfabca1b2626ebf97875cca21ac60d968",
|
||||
"sha256:f5a0279e362c37e2150a32fe35ec20226e9237b6c9927fce8d53ef8e49e64f48"
|
||||
],
|
||||
"version": "==2.2"
|
||||
},
|
||||
"decorator": {
|
||||
"hashes": [
|
||||
"sha256:94d1d8905f5010d74bbbd86c30471255661a14187c45f8d7f3e5aa8540fdb2e5",
|
||||
|
|
@ -313,10 +377,10 @@
|
|||
},
|
||||
"packaging": {
|
||||
"hashes": [
|
||||
"sha256:99276dc6e3a7851f32027a68f1095cd3f77c148091b092ea867a351811cfe388",
|
||||
"sha256:5d50835fdf0a7edf0b55e311b7c887786504efea1177abd7e69329a8e5ea619e"
|
||||
"sha256:e9215d2d2535d3ae866c3d6efc77d5b24a0192cce0ff20e42896cc0664f889c0",
|
||||
"sha256:f019b770dd64e585a99714f1fd5e01c7a8f11b45635aa953fd41c689a657375b"
|
||||
],
|
||||
"version": "==16.8"
|
||||
"version": "==17.1"
|
||||
},
|
||||
"parso": {
|
||||
"hashes": [
|
||||
|
|
@ -386,6 +450,12 @@
|
|||
],
|
||||
"version": "==1.5.2"
|
||||
},
|
||||
"pycparser": {
|
||||
"hashes": [
|
||||
"sha256:99a8ca03e29851d96616ad0404b4aad7d9ee16f25c9f9708a11faf2810f7b226"
|
||||
],
|
||||
"version": "==2.18"
|
||||
},
|
||||
"pygments": {
|
||||
"hashes": [
|
||||
"sha256:78f3f434bcc5d6ee09020f92ba487f95ba50f1e3ef83ae96b9d5ffa1bab25c5d",
|
||||
|
|
@ -407,10 +477,10 @@
|
|||
},
|
||||
"pytest": {
|
||||
"hashes": [
|
||||
"sha256:95fa025cd6deb5d937e04e368a00552332b58cae23f63b76c8c540ff1733ab6d",
|
||||
"sha256:6074ea3b9c999bd6d0df5fa9d12dd95ccd23550df2a582f5f5b848331d2e82ca"
|
||||
"sha256:062027955bccbc04d2fcd5d79690947e018ba31abe4c90b2c6721abec734261b",
|
||||
"sha256:117bad36c1a787e1a8a659df35de53ba05f9f3398fb9e4ac17e80ad5903eb8c5"
|
||||
],
|
||||
"version": "==3.4.0"
|
||||
"version": "==3.4.2"
|
||||
},
|
||||
"pytest-cov": {
|
||||
"hashes": [
|
||||
|
|
@ -421,10 +491,10 @@
|
|||
},
|
||||
"pytest-mock": {
|
||||
"hashes": [
|
||||
"sha256:7ed6e7e8c636fd320927c5d73aedb77ac2eeb37196c3410e6176b7c92fdf2f69",
|
||||
"sha256:920d1167af5c2c2ad3fa0717d0c6c52e97e97810160c15721ac895cac53abb1c"
|
||||
"sha256:03a2fea79d0a83a8de2e77e92afe5f0a5ca99a58cc68f843f9a74de34800a943",
|
||||
"sha256:b879dff61e31fcd4727c227c182f15f222a155293cc64ed5a02d55e0020cf949"
|
||||
],
|
||||
"version": "==1.6.3"
|
||||
"version": "==1.7.1"
|
||||
},
|
||||
"pytz": {
|
||||
"hashes": [
|
||||
|
|
@ -488,10 +558,10 @@
|
|||
},
|
||||
"sphinx": {
|
||||
"hashes": [
|
||||
"sha256:a0b16810d1d1413dec006ce2b08b5c895b2aaa7dce18d579d3ef79c03d461b22",
|
||||
"sha256:278b7923f3f4ed2a1d1359f0ae94d89ac90ddd4189e8362f4b4d3baa2afe6b4a"
|
||||
"sha256:41ae26acc6130ccf6ed47e5cca73742b80d55a134f0ab897c479bba8d3640b8e",
|
||||
"sha256:da987de5fcca21a4acc7f67a86a363039e67ac3e8827161e61b91deb131c0ee8"
|
||||
],
|
||||
"version": "==1.7.0"
|
||||
"version": "==1.7.1"
|
||||
},
|
||||
"sphinx-autobuild": {
|
||||
"hashes": [
|
||||
|
|
@ -509,13 +579,13 @@
|
|||
},
|
||||
"tornado": {
|
||||
"hashes": [
|
||||
"sha256:92b7ca81e18ba9ec3031a7ee73d4577ac21d41a0c9b775a9182f43301c3b5f8e",
|
||||
"sha256:b36298e9f63f18cad97378db2222c0e0ca6a55f6304e605515e05a25483ed51a",
|
||||
"sha256:ab587996fe6fb9ce65abfda440f9b61e4f9f2cf921967723540679176915e4c3",
|
||||
"sha256:5ef073ac6180038ccf99411fe05ae9aafb675952a2c8db60592d5daf8401f803",
|
||||
"sha256:6d14e47eab0e15799cf3cdcc86b0b98279da68522caace2bd7ce644287685f0a"
|
||||
"sha256:69194436190b777abf0b631a692b0b29ba4157d18eeee07327b486e033b944dc",
|
||||
"sha256:186ba4f280429a24120f329c7c08ea91818ff6bf47ed2ccb66f8f460698fc4ed",
|
||||
"sha256:b5bf7407f88327b80e666dabf91a1e7beb11236855a5c65ba5cf0e9e25ae296b",
|
||||
"sha256:4d192236a9ffee54cb0032f22a8a0cfa64258872f1d83d71f3356681f69a37be",
|
||||
"sha256:3e9a2333362d3dad7876d902595b64aea1a2f91d0df13191ea1f8bca5a447771"
|
||||
],
|
||||
"version": "==4.5.3"
|
||||
"version": "==5.0.1"
|
||||
},
|
||||
"traitlets": {
|
||||
"hashes": [
|
||||
|
|
|
|||
20
README.rst
20
README.rst
|
|
@ -22,19 +22,19 @@ extending the traditional cryptological narrative of "Alice and Bob" by introduc
|
|||
|
||||
.. code-block:: python
|
||||
|
||||
from umbral import umbral, keys
|
||||
from umbral import pre, keys
|
||||
|
||||
# Generate umbral keys for Alice.
|
||||
alices_private_key = keys.UmbralPrivateKey.gen_key()
|
||||
alices_public_key = private_key.get_pubkey()
|
||||
alices_public_key = alices_private_key.get_pubkey()
|
||||
|
||||
# Encrypt data with Alice's public key.
|
||||
plaintext = b'Proxy Re-encryption is cool!'
|
||||
ciphertext, capsule = umbral.encrypt(alices_public_key, plaintext)
|
||||
ciphertext, capsule = pre.encrypt(alices_public_key, plaintext)
|
||||
|
||||
# Decrypt data with Alice's private key.
|
||||
cleartext = umbral.decrypt(capsule, alices_private_key,
|
||||
ciphertext, alices_public_key)
|
||||
cleartext = pre.decrypt(capsule, alices_private_key,
|
||||
ciphertext, alices_public_key)
|
||||
|
||||
**Fragmentation**
|
||||
|
||||
|
|
@ -42,10 +42,10 @@ extending the traditional cryptological narrative of "Alice and Bob" by introduc
|
|||
|
||||
# Generate umbral keys for Bob.
|
||||
bobs_private_key = keys.UmbralPrivateKey.gen_key()
|
||||
bobs_public_key = private_key.get_pubkey()
|
||||
bobs_public_key = bobs_private_key.get_pubkey()
|
||||
|
||||
# Alice generates split re-encryption keys for Bob with "M of N".
|
||||
kfrags = umbral.split_rekey(alices_private_key, bobs_public_key, 10, 20)
|
||||
kfrags = pre.split_rekey(alices_private_key, bobs_public_key, 10, 20)
|
||||
|
||||
|
||||
**Re-encryption**
|
||||
|
|
@ -55,12 +55,12 @@ extending the traditional cryptological narrative of "Alice and Bob" by introduc
|
|||
# Ursula re-encrypts the capsule to obtain a cfrag.
|
||||
# Bob attaches the cfrags to the capsule.
|
||||
for kfrag in kfrags:
|
||||
cfrag = umbral.reencrypt(kfrag, capsule)
|
||||
cfrag = pre.reencrypt(kfrag, capsule)
|
||||
capsule.attach_cfrag(cfrag)
|
||||
|
||||
# Bob activates and opens the capsule.
|
||||
cleartext = umbral.decrypt(capsule, bobs_private_key,
|
||||
ciphertext, alices_public_key)
|
||||
cleartext = pre.decrypt(capsule, bobs_private_key,
|
||||
ciphertext, alices_public_key)
|
||||
|
||||
|
||||
Features
|
||||
|
|
|
|||
|
|
@ -33,22 +33,18 @@ class BigNum(object):
|
|||
|
||||
order = backend._lib.BN_new()
|
||||
backend.openssl_assert(order != backend._ffi.NULL)
|
||||
order = backend._ffi.gc(order, backend._lib.BN_free)
|
||||
order = backend._ffi.gc(order, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_GROUP_get_order(group, order, bn_ctx)
|
||||
backend.openssl_assert(res == 1)
|
||||
|
||||
order_int = backend._bn_to_int(order)
|
||||
new_rand_bn = backend._lib.BN_new()
|
||||
backend.openssl_assert(new_rand_bn != backend._ffi.NULL)
|
||||
new_rand_bn = backend._ffi.gc(new_rand_bn, backend._lib.BN_clear_free)
|
||||
|
||||
# Generate random number on curve
|
||||
key_size = get_curve_keysize_bytes(curve)
|
||||
rand_num = int.from_bytes(os.urandom(key_size), 'big')
|
||||
while rand_num >= order_int or rand_num <= 0:
|
||||
rand_num = int.from_bytes(os.urandom(key_size), 'big')
|
||||
|
||||
new_rand_bn = backend._int_to_bn(rand_num)
|
||||
new_rand_bn = backend._ffi.gc(new_rand_bn, backend._lib.BN_free)
|
||||
rand_res = backend._lib.BN_rand_range(new_rand_bn, order)
|
||||
backend.openssl_assert(rand_res == 1)
|
||||
|
||||
return cls(new_rand_bn, curve_nid, group, order)
|
||||
|
||||
|
|
@ -69,7 +65,7 @@ class BigNum(object):
|
|||
|
||||
order = backend._lib.BN_new()
|
||||
backend.openssl_assert(order != backend._ffi.NULL)
|
||||
order = backend._ffi.gc(order, backend._lib.BN_free)
|
||||
order = backend._ffi.gc(order, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_GROUP_get_order(group, order, bn_ctx)
|
||||
|
|
@ -81,7 +77,7 @@ class BigNum(object):
|
|||
raise ValueError("Integer provided is not on the given curve.")
|
||||
|
||||
bignum = backend._int_to_bn(num)
|
||||
bignum = backend._ffi.gc(bignum, backend._lib.BN_free)
|
||||
bignum = backend._ffi.gc(bignum, backend._lib.BN_clear_free)
|
||||
|
||||
return cls(bignum, curve_nid, group, order)
|
||||
|
||||
|
|
@ -116,7 +112,7 @@ class BigNum(object):
|
|||
"""
|
||||
if type(other) == int:
|
||||
other = backend._int_to_bn(other)
|
||||
other = backend._ffi.gc(other, backend._lib.BN_free)
|
||||
other = backend._ffi.gc(other, backend._lib.BN_clear_free)
|
||||
|
||||
other = BigNum(other, None, None, None)
|
||||
|
||||
|
|
@ -129,13 +125,13 @@ class BigNum(object):
|
|||
"""
|
||||
if type(other) == int:
|
||||
other = backend._int_to_bn(other)
|
||||
other = backend._ffi.gc(other, backend._lib.BN_free)
|
||||
other = backend._ffi.gc(other, backend._lib.BN_clear_free)
|
||||
|
||||
other = BigNum(other, None, None, None)
|
||||
|
||||
power = backend._lib.BN_new()
|
||||
backend.openssl_assert(power != backend._ffi.NULL)
|
||||
power = backend._ffi.gc(power, backend._lib.BN_free)
|
||||
power = backend._ffi.gc(power, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.BN_mod_exp(
|
||||
|
|
@ -154,7 +150,7 @@ class BigNum(object):
|
|||
|
||||
product = backend._lib.BN_new()
|
||||
backend.openssl_assert(product != backend._ffi.NULL)
|
||||
product = backend._ffi.gc(product, backend._lib.BN_free)
|
||||
product = backend._ffi.gc(product, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.BN_mod_mul(
|
||||
|
|
@ -170,7 +166,7 @@ class BigNum(object):
|
|||
"""
|
||||
product = backend._lib.BN_new()
|
||||
backend.openssl_assert(product != backend._ffi.NULL)
|
||||
product = backend._ffi.gc(product, backend._lib.BN_free)
|
||||
product = backend._ffi.gc(product, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
inv_other = backend._lib.BN_mod_inverse(
|
||||
|
|
@ -191,7 +187,7 @@ class BigNum(object):
|
|||
"""
|
||||
sum = backend._lib.BN_new()
|
||||
backend.openssl_assert(sum != backend._ffi.NULL)
|
||||
sum = backend._ffi.gc(sum, backend._lib.BN_free)
|
||||
sum = backend._ffi.gc(sum, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.BN_mod_add(
|
||||
|
|
@ -207,7 +203,7 @@ class BigNum(object):
|
|||
"""
|
||||
diff = backend._lib.BN_new()
|
||||
backend.openssl_assert(diff != backend._ffi.NULL)
|
||||
diff = backend._ffi.gc(diff, backend._lib.BN_free)
|
||||
diff = backend._ffi.gc(diff, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.BN_mod_sub(
|
||||
|
|
@ -226,7 +222,7 @@ class BigNum(object):
|
|||
backend._ffi.NULL, self.bignum, self.order, bn_ctx
|
||||
)
|
||||
backend.openssl_assert(inv != backend._ffi.NULL)
|
||||
inv = backend._ffi.gc(inv, backend._lib.BN_free)
|
||||
inv = backend._ffi.gc(inv, backend._lib.BN_clear_free)
|
||||
|
||||
return BigNum(inv, self.curve_nid, self.group, self.order)
|
||||
|
||||
|
|
@ -236,13 +232,13 @@ class BigNum(object):
|
|||
"""
|
||||
if type(other) == int:
|
||||
other = backend._int_to_bn(other)
|
||||
other = backend._ffi.gc(other, backend._lib.BN_free)
|
||||
other = backend._ffi.gc(other, backend._lib.BN_clear_free)
|
||||
|
||||
other = BigNum(other, None, None, None)
|
||||
|
||||
rem = backend._lib.BN_new()
|
||||
backend.openssl_assert(rem != backend._ffi.NULL)
|
||||
rem = backend._ffi.gc(rem, backend._lib.BN_free)
|
||||
rem = backend._ffi.gc(rem, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.BN_nnmod(
|
||||
|
|
|
|||
|
|
@ -35,7 +35,8 @@ class Point(object):
|
|||
|
||||
rand_point = backend._lib.EC_POINT_new(group)
|
||||
backend.openssl_assert(rand_point != backend._ffi.NULL)
|
||||
rand_point = backend._ffi.gc(rand_point, backend._lib.EC_POINT_free)
|
||||
rand_point = backend._ffi.gc(rand_point,
|
||||
backend._lib.EC_POINT_clear_free)
|
||||
|
||||
rand_bn = BigNum.gen_rand(curve).bignum
|
||||
|
||||
|
|
@ -63,11 +64,11 @@ class Point(object):
|
|||
affine_x, affine_y = coords
|
||||
if type(affine_x) == int:
|
||||
affine_x = backend._int_to_bn(affine_x)
|
||||
affine_x = backend._ffi.gc(affine_x, backend._lib.BN_free)
|
||||
affine_x = backend._ffi.gc(affine_x, backend._lib.BN_clear_free)
|
||||
|
||||
if type(affine_y) == int:
|
||||
affine_y = backend._int_to_bn(affine_y)
|
||||
affine_y = backend._ffi.gc(affine_y, backend._lib.BN_free)
|
||||
affine_y = backend._ffi.gc(affine_y, backend._lib.BN_clear_free)
|
||||
|
||||
group = backend._lib.EC_GROUP_new_by_curve_name(curve_nid)
|
||||
backend.openssl_assert(group != backend._ffi.NULL)
|
||||
|
|
@ -90,11 +91,11 @@ class Point(object):
|
|||
"""
|
||||
affine_x = backend._lib.BN_new()
|
||||
backend.openssl_assert(affine_x != backend._ffi.NULL)
|
||||
affine_x = backend._ffi.gc(affine_x, backend._lib.BN_free)
|
||||
affine_x = backend._ffi.gc(affine_x, backend._lib.BN_clear_free)
|
||||
|
||||
affine_y = backend._lib.BN_new()
|
||||
backend.openssl_assert(affine_y != backend._ffi.NULL)
|
||||
affine_y = backend._ffi.gc(affine_y, backend._lib.BN_free)
|
||||
affine_y = backend._ffi.gc(affine_y, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_POINT_get_affine_coordinates_GFp(
|
||||
|
|
@ -126,7 +127,8 @@ class Point(object):
|
|||
|
||||
ec_point = backend._lib.EC_POINT_new(affine_x.group)
|
||||
backend.openssl_assert(ec_point != backend._ffi.NULL)
|
||||
ec_point = backend._ffi.gc(ec_point, backend._lib.EC_POINT_free)
|
||||
ec_point = backend._ffi.gc(ec_point,
|
||||
backend._lib.EC_POINT_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_POINT_set_compressed_coordinates_GFp(
|
||||
|
|
@ -205,7 +207,7 @@ class Point(object):
|
|||
|
||||
order = backend._lib.BN_new()
|
||||
backend.openssl_assert(order != backend._ffi.NULL)
|
||||
order = backend._ffi.gc(order, backend._lib.BN_free)
|
||||
order = backend._ffi.gc(order, backend._lib.BN_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_GROUP_get_order(group, order, bn_ctx)
|
||||
|
|
@ -233,7 +235,7 @@ class Point(object):
|
|||
|
||||
prod = backend._lib.EC_POINT_new(self.group)
|
||||
backend.openssl_assert(prod != backend._ffi.NULL)
|
||||
prod = backend._ffi.gc(prod, backend._lib.EC_POINT_free)
|
||||
prod = backend._ffi.gc(prod, backend._lib.EC_POINT_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_POINT_mul(
|
||||
|
|
@ -251,7 +253,7 @@ class Point(object):
|
|||
"""
|
||||
sum = backend._lib.EC_POINT_new(self.group)
|
||||
backend.openssl_assert(sum != backend._ffi.NULL)
|
||||
sum = backend._ffi.gc(sum, backend._lib.EC_POINT_free)
|
||||
sum = backend._ffi.gc(sum, backend._lib.EC_POINT_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_POINT_add(
|
||||
|
|
@ -273,7 +275,7 @@ class Point(object):
|
|||
"""
|
||||
inv = backend._lib.EC_POINT_dup(self.ec_point, self.group)
|
||||
backend.openssl_assert(inv != backend._ffi.NULL)
|
||||
inv = backend._ffi.gc(inv, backend._lib.EC_POINT_free)
|
||||
inv = backend._ffi.gc(inv, backend._lib.EC_POINT_clear_free)
|
||||
|
||||
with backend._tmp_bn_ctx() as bn_ctx:
|
||||
res = backend._lib.EC_POINT_invert(
|
||||
|
|
|
|||
Loading…
Reference in New Issue