openethereum/rpc/src/v1/helpers/secretstore.rs

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// Copyright 2015-2018 Parity Technologies (UK) Ltd.
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
SecretStore: servers set change session api (#6925) * SecretStore: first key versions flush * SecretStore: key versions in encryption session * SecretStore: flush key versions negotiation session * SecretStore: connected key version negotiation session to cluster * SecretStore: cluster sessions container refactoring * SecretStore: flush * SecretStore: flush key versions * SecretStore: flush * SecretStore: delegation proto * SecretStore: decryption_session_is_delegated_when_node_does_not_have_key_share * SecretStore: fixed version in decryption session * SecretStore: signing_session_is_delegated_when_node_does_not_have_key_share * SecretStore: started restoring admin sessions * SecretStore: restoring admin sessions * SecretStore: removed obsolete ShareRemove && ShareMove sessions * SecretStore: ShareAdd math tests only require old_t+1 nodes * SecretStore: ShareAdd revamp using new math backend * SecretStore: do not include isolated nodes into consensus_group * SecretStore: ServersSetChange + ShareAdd revamp * removed debug printlns * SecretStore: key version negotiation tests * SecretStore: removed debug/merge artifacts * SecretStore: fixed master node selection * SecretStore: cleanup + tests + fixes * SecretStore: uncommented tests * SecretStore: cleaning up * SecretStore: cleaning up + tests * SecretStore: cleaning up * SecretStore: cleaning up && tests * SecretStore: fixing TODOs * SecretStore: fixing TODOs + cleanup * SecretStore: fixing TODOs * SecretStore: nodes_add_to_the_node_with_obsolete_version * SecretStore: nodes_add_fails_when_not_enough_share_owners_are_connected * SecretStore: tests * SecretStore: signing && delegation tests * SecretStore: signing && decryption tests when some nodes are isolated * SecretStore: sessions_are_removed_when_initialization_fails * SecretStore: ceaning up * SecretStore: removed obsolete comments * SecretStore: signing_session_completes_if_node_does_not_have_a_share * SecretStore: initial ServersSetChange API * SecretStore: added secretstore_signServersSet RPC * SecretStore: ChangeServersSet parse tests * SecretStore: fixes after manual ServersSetChange tests * lost file * fixed network ports overlap in tests * lost files
2017-11-16 17:34:23 +01:00
use std::collections::BTreeSet;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
use rand::{Rng, OsRng};
use ethkey::{self, Public, Secret, Random, Generator, math};
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
use crypto;
use bytes::Bytes;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
use jsonrpc_core::Error;
use v1::helpers::errors;
use v1::types::{H256, H512, EncryptedDocumentKey};
SecretStore: servers set change session api (#6925) * SecretStore: first key versions flush * SecretStore: key versions in encryption session * SecretStore: flush key versions negotiation session * SecretStore: connected key version negotiation session to cluster * SecretStore: cluster sessions container refactoring * SecretStore: flush * SecretStore: flush key versions * SecretStore: flush * SecretStore: delegation proto * SecretStore: decryption_session_is_delegated_when_node_does_not_have_key_share * SecretStore: fixed version in decryption session * SecretStore: signing_session_is_delegated_when_node_does_not_have_key_share * SecretStore: started restoring admin sessions * SecretStore: restoring admin sessions * SecretStore: removed obsolete ShareRemove && ShareMove sessions * SecretStore: ShareAdd math tests only require old_t+1 nodes * SecretStore: ShareAdd revamp using new math backend * SecretStore: do not include isolated nodes into consensus_group * SecretStore: ServersSetChange + ShareAdd revamp * removed debug printlns * SecretStore: key version negotiation tests * SecretStore: removed debug/merge artifacts * SecretStore: fixed master node selection * SecretStore: cleanup + tests + fixes * SecretStore: uncommented tests * SecretStore: cleaning up * SecretStore: cleaning up + tests * SecretStore: cleaning up * SecretStore: cleaning up && tests * SecretStore: fixing TODOs * SecretStore: fixing TODOs + cleanup * SecretStore: fixing TODOs * SecretStore: nodes_add_to_the_node_with_obsolete_version * SecretStore: nodes_add_fails_when_not_enough_share_owners_are_connected * SecretStore: tests * SecretStore: signing && delegation tests * SecretStore: signing && decryption tests when some nodes are isolated * SecretStore: sessions_are_removed_when_initialization_fails * SecretStore: ceaning up * SecretStore: removed obsolete comments * SecretStore: signing_session_completes_if_node_does_not_have_a_share * SecretStore: initial ServersSetChange API * SecretStore: added secretstore_signServersSet RPC * SecretStore: ChangeServersSet parse tests * SecretStore: fixes after manual ServersSetChange tests * lost file * fixed network ports overlap in tests * lost files
2017-11-16 17:34:23 +01:00
use tiny_keccak::Keccak;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
/// Initialization vector length.
const INIT_VEC_LEN: usize = 16;
/// Generate document key to store in secret store.
pub fn generate_document_key(account_public: Public, server_key_public: Public) -> Result<EncryptedDocumentKey, Error> {
// generate random plain document key
let document_key = Random.generate().map_err(errors::encryption)?;
// encrypt document key using server key
let (common_point, encrypted_point) = encrypt_secret(document_key.public(), &server_key_public)?;
// ..and now encrypt document key with account public
let encrypted_key = ethkey::crypto::ecies::encrypt(&account_public, &crypto::DEFAULT_MAC, document_key.public())
.map_err(errors::encryption)?;
Ok(EncryptedDocumentKey {
common_point: common_point.into(),
encrypted_point: encrypted_point.into(),
encrypted_key: encrypted_key.into(),
})
}
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
/// Encrypt document with distributely generated key.
pub fn encrypt_document(key: Bytes, document: Bytes) -> Result<Bytes, Error> {
// make document key
let key = into_document_key(key)?;
// use symmetric encryption to encrypt document
let iv = initialization_vector();
let mut encrypted_document = vec![0; document.len() + iv.len()];
{
let (mut encryption_buffer, iv_buffer) = encrypted_document.split_at_mut(document.len());
crypto::aes::encrypt_128_ctr(&key, &iv, &document, &mut encryption_buffer).map_err(errors::encryption)?;
iv_buffer.copy_from_slice(&iv);
}
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
Ok(encrypted_document)
}
/// Decrypt document with distributely generated key.
pub fn decrypt_document(key: Bytes, mut encrypted_document: Bytes) -> Result<Bytes, Error> {
// initialization vector takes INIT_VEC_LEN bytes
let encrypted_document_len = encrypted_document.len();
if encrypted_document_len < INIT_VEC_LEN {
return Err(errors::invalid_params("encrypted_document", "invalid encrypted data"));
}
// make document key
let key = into_document_key(key)?;
// use symmetric decryption to decrypt document
let iv = encrypted_document.split_off(encrypted_document_len - INIT_VEC_LEN);
let mut document = vec![0; encrypted_document_len - INIT_VEC_LEN];
crypto::aes::decrypt_128_ctr(&key, &iv, &encrypted_document, &mut document).map_err(errors::encryption)?;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
Ok(document)
}
SecretStore: servers set change session api (#6925) * SecretStore: first key versions flush * SecretStore: key versions in encryption session * SecretStore: flush key versions negotiation session * SecretStore: connected key version negotiation session to cluster * SecretStore: cluster sessions container refactoring * SecretStore: flush * SecretStore: flush key versions * SecretStore: flush * SecretStore: delegation proto * SecretStore: decryption_session_is_delegated_when_node_does_not_have_key_share * SecretStore: fixed version in decryption session * SecretStore: signing_session_is_delegated_when_node_does_not_have_key_share * SecretStore: started restoring admin sessions * SecretStore: restoring admin sessions * SecretStore: removed obsolete ShareRemove && ShareMove sessions * SecretStore: ShareAdd math tests only require old_t+1 nodes * SecretStore: ShareAdd revamp using new math backend * SecretStore: do not include isolated nodes into consensus_group * SecretStore: ServersSetChange + ShareAdd revamp * removed debug printlns * SecretStore: key version negotiation tests * SecretStore: removed debug/merge artifacts * SecretStore: fixed master node selection * SecretStore: cleanup + tests + fixes * SecretStore: uncommented tests * SecretStore: cleaning up * SecretStore: cleaning up + tests * SecretStore: cleaning up * SecretStore: cleaning up && tests * SecretStore: fixing TODOs * SecretStore: fixing TODOs + cleanup * SecretStore: fixing TODOs * SecretStore: nodes_add_to_the_node_with_obsolete_version * SecretStore: nodes_add_fails_when_not_enough_share_owners_are_connected * SecretStore: tests * SecretStore: signing && delegation tests * SecretStore: signing && decryption tests when some nodes are isolated * SecretStore: sessions_are_removed_when_initialization_fails * SecretStore: ceaning up * SecretStore: removed obsolete comments * SecretStore: signing_session_completes_if_node_does_not_have_a_share * SecretStore: initial ServersSetChange API * SecretStore: added secretstore_signServersSet RPC * SecretStore: ChangeServersSet parse tests * SecretStore: fixes after manual ServersSetChange tests * lost file * fixed network ports overlap in tests * lost files
2017-11-16 17:34:23 +01:00
/// Decrypt document given secret shadow.
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
pub fn decrypt_document_with_shadow(decrypted_secret: Public, common_point: Public, shadows: Vec<Secret>, encrypted_document: Bytes) -> Result<Bytes, Error> {
let key = decrypt_with_shadow_coefficients(decrypted_secret, common_point, shadows)?;
decrypt_document(key.to_vec(), encrypted_document)
}
SecretStore: servers set change session api (#6925) * SecretStore: first key versions flush * SecretStore: key versions in encryption session * SecretStore: flush key versions negotiation session * SecretStore: connected key version negotiation session to cluster * SecretStore: cluster sessions container refactoring * SecretStore: flush * SecretStore: flush key versions * SecretStore: flush * SecretStore: delegation proto * SecretStore: decryption_session_is_delegated_when_node_does_not_have_key_share * SecretStore: fixed version in decryption session * SecretStore: signing_session_is_delegated_when_node_does_not_have_key_share * SecretStore: started restoring admin sessions * SecretStore: restoring admin sessions * SecretStore: removed obsolete ShareRemove && ShareMove sessions * SecretStore: ShareAdd math tests only require old_t+1 nodes * SecretStore: ShareAdd revamp using new math backend * SecretStore: do not include isolated nodes into consensus_group * SecretStore: ServersSetChange + ShareAdd revamp * removed debug printlns * SecretStore: key version negotiation tests * SecretStore: removed debug/merge artifacts * SecretStore: fixed master node selection * SecretStore: cleanup + tests + fixes * SecretStore: uncommented tests * SecretStore: cleaning up * SecretStore: cleaning up + tests * SecretStore: cleaning up * SecretStore: cleaning up && tests * SecretStore: fixing TODOs * SecretStore: fixing TODOs + cleanup * SecretStore: fixing TODOs * SecretStore: nodes_add_to_the_node_with_obsolete_version * SecretStore: nodes_add_fails_when_not_enough_share_owners_are_connected * SecretStore: tests * SecretStore: signing && delegation tests * SecretStore: signing && decryption tests when some nodes are isolated * SecretStore: sessions_are_removed_when_initialization_fails * SecretStore: ceaning up * SecretStore: removed obsolete comments * SecretStore: signing_session_completes_if_node_does_not_have_a_share * SecretStore: initial ServersSetChange API * SecretStore: added secretstore_signServersSet RPC * SecretStore: ChangeServersSet parse tests * SecretStore: fixes after manual ServersSetChange tests * lost file * fixed network ports overlap in tests * lost files
2017-11-16 17:34:23 +01:00
/// Calculate Keccak(ordered servers set)
pub fn ordered_servers_keccak(servers_set: BTreeSet<H512>) -> H256 {
let mut servers_set_keccak = Keccak::new_keccak256();
for server in servers_set {
servers_set_keccak.update(&server.0);
}
let mut servers_set_keccak_value = [0u8; 32];
servers_set_keccak.finalize(&mut servers_set_keccak_value);
servers_set_keccak_value.into()
}
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
fn into_document_key(key: Bytes) -> Result<Bytes, Error> {
// key is a previously distributely generated Public
if key.len() != 64 {
return Err(errors::invalid_params("key", "invalid public key length"));
}
// use x coordinate of distributely generated point as encryption key
Ok(key[..INIT_VEC_LEN].into())
}
fn initialization_vector() -> [u8; INIT_VEC_LEN] {
let mut result = [0u8; INIT_VEC_LEN];
let mut rng = OsRng::new().unwrap();
rng.fill_bytes(&mut result);
result
}
fn decrypt_with_shadow_coefficients(mut decrypted_shadow: Public, mut common_shadow_point: Public, shadow_coefficients: Vec<Secret>) -> Result<Public, Error> {
let mut shadow_coefficients_sum = shadow_coefficients[0].clone();
for shadow_coefficient in shadow_coefficients.iter().skip(1) {
shadow_coefficients_sum.add(shadow_coefficient)
.map_err(errors::encryption)?;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
}
math::public_mul_secret(&mut common_shadow_point, &shadow_coefficients_sum)
.map_err(errors::encryption)?;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
math::public_add(&mut decrypted_shadow, &common_shadow_point)
.map_err(errors::encryption)?;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
Ok(decrypted_shadow)
}
fn encrypt_secret(secret: &Public, joint_public: &Public) -> Result<(Public, Public), Error> {
// TODO: it is copypaste of `encrypt_secret` from secret_store/src/key_server_cluster/math.rs
// use shared version from SS math library, when it'll be available
let key_pair = Random.generate()
.map_err(errors::encryption)?;
// k * T
let mut common_point = math::generation_point();
math::public_mul_secret(&mut common_point, key_pair.secret())
.map_err(errors::encryption)?;
// M + k * y
let mut encrypted_point = joint_public.clone();
math::public_mul_secret(&mut encrypted_point, key_pair.secret())
.map_err(errors::encryption)?;
math::public_add(&mut encrypted_point, secret)
.map_err(errors::encryption)?;
Ok((common_point, encrypted_point))
}
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
#[cfg(test)]
mod tests {
use bytes::Bytes;
use rustc_hex::FromHex;
Secretstore RPCs + integration (#5439) * ECDKG protocol prototype * added test for enc/dec math * get rid of decryption_session * added licenses * fix after merge * get rid of unused serde dependency * doc * decryption session [without commutative enc] * failed_dec_session * fixed tests * added commen * added more decryption session tests * helper to localize an issue * more computations to localize error * decryption_session::SessionParams * added tests for EC math to localize problem * secretstore network transport * encryption_session_works_over_network * network errors processing * connecting to KeyServer * licenses * get rid of debug println-s * fixed secretstore args * encryption results are stored in KS database * decryption protocol works over network * enc/dec Session traits * fixing warnings * fix after merge * on-chain ACL checker proto * fixed compilation * fixed compilation * finally fixed <odd>-of-N-scheme * temporary commented test * 1-of-N works in math * scheme 1-of-N works * updated AclStorage with real contract ABI * remove unnecessary unsafety * fixed grumbles * wakeup on access denied * encrypt secretstore messages * 'shadow' decryption * fix grumbles * lost files * secretstore cli-options * decryption seccion when ACL check failed on master * disallow regenerating key for existing document * removed obsolete TODO * fix after merge * switched to tokio_io * fix after merge * fix after merge * fix after merge * fix after merge * fix after merge * fixed test * fix after merge * encryption session errors are now fatal * session timeouts * autorestart decryption session * remove sessions on completion * exclude disconnected nodes from decryption session * test for enc/dec session over network with 1 node * remove debug printlns * fixed 1-of-1 scheme * drop for KeyServerHttpListener * Use standard encryption and decryption (as in RPC) * added some tests * moved DEFAULT_MAC to ethcrypto * rpc_secretstore_encrypt_and_decrypt * serialization with "0x" prefix (RPC compatibility) * secretstore RPC API * fix after merge * fixed typo * secretstore_shadowDecrypt RPC * enable secretstore RPCs by default * fixed test * SecStore RPCs available without SecStore feature * fixed grumbles * lost files * added password argument to Parity RPCs * update docs * lost file
2017-05-05 15:57:29 +02:00
use super::{encrypt_document, decrypt_document, decrypt_document_with_shadow};
#[test]
fn encrypt_and_decrypt_document() {
let document_key: Bytes = "cac6c205eb06c8308d65156ff6c862c62b000b8ead121a4455a8ddeff7248128d895692136f240d5d1614dc7cc4147b1bd584bd617e30560bb872064d09ea325".from_hex().unwrap();
let document: Bytes = b"Hello, world!!!"[..].into();
let encrypted_document = encrypt_document(document_key.clone(), document.clone()).unwrap();
assert!(document != encrypted_document);
let decrypted_document = decrypt_document(document_key.clone(), encrypted_document).unwrap();
assert_eq!(decrypted_document, document);
}
#[test]
fn encrypt_and_shadow_decrypt_document() {
let document: Bytes = "deadbeef".from_hex().unwrap();
let encrypted_document = "2ddec1f96229efa2916988d8b2a82a47ef36f71c".from_hex().unwrap();
let decrypted_secret = "843645726384530ffb0c52f175278143b5a93959af7864460f5a4fec9afd1450cfb8aef63dec90657f43f55b13e0a73c7524d4e9a13c051b4e5f1e53f39ecd91".parse().unwrap();
let common_point = "07230e34ebfe41337d3ed53b186b3861751f2401ee74b988bba55694e2a6f60c757677e194be2e53c3523cc8548694e636e6acb35c4e8fdc5e29d28679b9b2f3".parse().unwrap();
let shadows = vec!["46f542416216f66a7d7881f5a283d2a1ab7a87b381cbc5f29d0b093c7c89ee31".parse().unwrap()];
let decrypted_document = decrypt_document_with_shadow(decrypted_secret, common_point, shadows, encrypted_document).unwrap();
assert_eq!(decrypted_document, document);
}
}