diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml index bf3bd56..2d3ddc6 100644 --- a/.github/workflows/go.yml +++ b/.github/workflows/go.yml @@ -16,7 +16,7 @@ jobs: - name: Set up Go uses: actions/setup-go@v5 with: - go-version: '1.22' + go-version: '1.23' - name: Staticheck run: | diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index bc3bc30..53ddd7f 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -17,7 +17,7 @@ jobs: - name: Setup Go uses: actions/setup-go@v5 with: - go-version: '1.22' + go-version: '1.23' - run: go version - name: Run GoReleaser diff --git a/.gitignore b/.gitignore index b0dc685..e9546f8 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,6 @@ +# binaries +cmd/age-plugin-tlock/age-plugin-tlock +cmd/tle/tle # Mac files .DS* diff --git a/LICENSE-APACHE b/LICENSE-APACHE index 14478a3..261eeb9 100644 --- a/LICENSE-APACHE +++ b/LICENSE-APACHE @@ -1,5 +1,201 @@ -Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/README.md b/README.md index 1b9c1f0..cf9ea02 100644 --- a/README.md +++ b/README.md @@ -12,7 +12,7 @@ Working endpoints to access it are, on mainnet: - https://drand.cloudflare.com/ (load-balanced across regions) On mainnet, the only chainhash supporting timelock encryption, with a 3s frequency and signatures on the G1 group is: -`dbd506d6ef76e5f386f41c651dcb808c5bcbd75471cc4eafa3f4df7ad4e4c493` +`52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971` This is a production-ready network with high-availability guarantees. It is considered fully secure by the drand team and ran by the same League of Entropy that has been running drand in production since 2019. @@ -99,8 +99,6 @@ NETWORK defaults to the drand mainnet endpoint https://api.drand.sh/. CHAIN defaults to the chainhash of quicknet: 52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971 -it used to be that of the fastnet network, but that one is being deprecated: -dbd506d6ef76e5f386f41c651dcb808c5bcbd75471cc4eafa3f4df7ad4e4c493 You can also use the drand test network: https://pl-us.testnet.drand.sh/ @@ -128,13 +126,13 @@ $ tle -n="https://pl-us.testnet.drand.sh/" -c="7672797f548f3f4748ac4bf3352fc6c6b If a round (`--round/-R`) number is known, it can be used instead of the duration. The data can be decrypted only when that round becomes available in the network. -Example using the fastnet mainnet network and a given round: +Example using an EU relay, the quicknet chainhash and a given round 123456: ```bash -$ tle -n="https://api.drand.sh/" -c="dbd506d6ef76e5f386f41c651dcb808c5bcbd75471cc4eafa3f4df7ad4e4c493" -r=123456 -o=encrypted_data data.txt +$ tle -n="https://api2.drand.sh/" -c="52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971" -r=123456 -o=encrypted_data data.txt ``` It is also possible to encrypt the data to a PEM encoded format using the armor (`--armor/-a`) flag, -and to rely on the default network and chain hash (which is the `fastnet` one on `api.drand.sh`): +and to rely on the default network and chain hash (which is the `quicknet` one on `api.drand.sh`): ```bash $ tle -a -D 20s -o=encrypted_data.PEM data.txt ``` @@ -142,8 +140,9 @@ $ tle -a -D 20s -o=encrypted_data.PEM data.txt #### Timelock Decryption For decryption, it's only necessary to specify the network if you're not using the default one. +Since v1.3.0, some auto-detection of chainhash and network is done upon decryption. -Using the default ("fastnet" network on mainnet) and printing on stdout: +Using the default values, and printing on stdout: ```bash $ tle -d encrypted_data ``` @@ -161,9 +160,9 @@ If decoding an armored source you don't need to specify `-a` again. ### Library Usage -These example show how to use the API to time lock encrypt and decrypt data. +These example show how to use the API to timelock encrypt and decrypt data. -#### Time Lock Encryption +#### Timelock Encryption ```go // Open an io.Reader to the data to be encrypted. @@ -174,9 +173,9 @@ if err != nil { } defer in.Close() -// Construct a network that can talk to a drand network. Example using the mainnet fastnet network. +// Construct a network that can talk to a drand network. Example using the mainnet quicknet network. // host: "https://api.drand.sh/" -// chainHash: "dbd506d6ef76e5f386f41c651dcb808c5bcbd75471cc4eafa3f4df7ad4e4c493" +// chainHash: "52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971" network,err := http.NewNetwork(host, chainHash) if err != nil { log.Fatalf("new network: %s", err) @@ -199,7 +198,7 @@ if err := tlock.New(network).Encrypt(&cipherData, in, roundNumber); err != nil { } ``` -#### Time Lock Decryption +#### Timelock Decryption ```go // Open an io.Reader to the data to be decrypted. @@ -212,7 +211,7 @@ defer in.Close() // Construct a network that can talk to a drand network. // host: "https://api.drand.sh/" -// chainHash: "dbd506d6ef76e5f386f41c651dcb808c5bcbd75471cc4eafa3f4df7ad4e4c493" +// chainHash: "52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971" network,err := http.NewNetwork(host, chainHash) if err != nil { log.Fatalf("new network: %s", err) diff --git a/cmd/tle/commands/commands.go b/cmd/tle/commands/commands.go index f134ba5..f64faf9 100644 --- a/cmd/tle/commands/commands.go +++ b/cmd/tle/commands/commands.go @@ -21,7 +21,7 @@ const ( // ============================================================================= -const usage = `tlock v1.2.0 -- github.com/drand/tlock +const usage = `tlock v1.3.0 -- github.com/drand/tlock Usage: tle [--encrypt] (-r round)... [--armor] [-o OUTPUT] [INPUT] @@ -46,8 +46,6 @@ NETWORK defaults to the drand mainnet endpoint https://api.drand.sh/. CHAIN defaults to the chainhash of quicknet: 52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971 -it used to be that of the fastnet network, but that one is being deprecated: -dbd506d6ef76e5f386f41c651dcb808c5bcbd75471cc4eafa3f4df7ad4e4c493 You can also use the drand test network: https://pl-us.testnet.drand.sh/ diff --git a/go.mod b/go.mod index ff19da1..1d30dfc 100644 --- a/go.mod +++ b/go.mod @@ -1,11 +1,11 @@ module github.com/drand/tlock -go 1.22 +go 1.23 require ( - filippo.io/age v1.1.1 - github.com/drand/drand/v2 v2.0.2 - github.com/drand/go-clients v0.2.0 + filippo.io/age v1.2.0 + github.com/drand/drand/v2 v2.0.4 + github.com/drand/go-clients v0.2.1 github.com/drand/kyber v1.3.1 github.com/drand/kyber-bls12381 v0.3.1 github.com/stretchr/testify v1.9.0 @@ -14,10 +14,11 @@ require ( require ( github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/klauspost/compress v1.17.11 // indirect github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect go.dedis.ch/fixbuf v1.0.3 // indirect - google.golang.org/genproto/googleapis/rpc v0.0.0-20240723171418-e6d459c13d2a // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 // indirect ) require ( @@ -30,16 +31,16 @@ require ( github.com/kelseyhightower/envconfig v1.4.0 github.com/kilic/bls12-381 v0.1.0 // indirect github.com/nikkolasg/hexjson v0.1.0 // indirect - github.com/prometheus/client_golang v1.19.1 // indirect + github.com/prometheus/client_golang v1.20.4 // indirect github.com/prometheus/client_model v0.6.1 // indirect - github.com/prometheus/common v0.55.0 // indirect + github.com/prometheus/common v0.60.0 // indirect github.com/prometheus/procfs v0.15.1 // indirect go.uber.org/multierr v1.11.0 // indirect go.uber.org/zap v1.27.0 // indirect - golang.org/x/crypto v0.25.0 // indirect - golang.org/x/net v0.27.0 // indirect - golang.org/x/sys v0.22.0 // indirect - golang.org/x/text v0.16.0 // indirect - google.golang.org/grpc v1.65.0 // indirect - google.golang.org/protobuf v1.34.2 // indirect + golang.org/x/crypto v0.28.0 // indirect + golang.org/x/net v0.30.0 // indirect + golang.org/x/sys v0.26.0 // indirect + golang.org/x/text v0.19.0 // indirect + google.golang.org/grpc v1.67.1 // indirect + google.golang.org/protobuf v1.35.1 // indirect ) diff --git a/go.sum b/go.sum index bb748f7..73a7a95 100644 --- a/go.sum +++ b/go.sum @@ -1,5 +1,7 @@ -filippo.io/age v1.1.1 h1:pIpO7l151hCnQ4BdyBujnGP2YlUo0uj6sAVNHGBvXHg= -filippo.io/age v1.1.1/go.mod h1:l03SrzDUrBkdBx8+IILdnn2KZysqQdbEBUQ4p3sqEQE= +c2sp.org/CCTV/age v0.0.0-20240306222714-3ec4d716e805 h1:u2qwJeEvnypw+OCPUHmoZE3IqwfuN5kgDfo5MLzpNM0= +c2sp.org/CCTV/age v0.0.0-20240306222714-3ec4d716e805/go.mod h1:FomMrUJ2Lxt5jCLmZkG3FHa72zUprnhd3v/Z18Snm4w= +filippo.io/age v1.2.0 h1:vRDp7pUMaAJzXNIWJVAZnEf/Dyi4Vu4wI8S1LBzufhE= +filippo.io/age v1.2.0/go.mod h1:JL9ew2lTN+Pyft4RiNGguFfOpewKwSHm5ayKD/A4004= github.com/BurntSushi/toml v1.4.0 h1:kuoIxZQy2WRRk1pttg9asf+WVv6tWQuBNVmK8+nqPr0= github.com/BurntSushi/toml v1.4.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho= github.com/ardanlabs/darwin/v2 v2.0.0 h1:XCisQMgQ5EG+ZvSEcADEo+pyfIMKyWAGnn5o2TgriYE= @@ -20,10 +22,10 @@ github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJ github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY= github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/drand/drand/v2 v2.0.2 h1:F0cvopmZWZA8NLRnpXE2+qVR13aNQZeCElYlWswcigM= -github.com/drand/drand/v2 v2.0.2/go.mod h1:nWBj4w7TA3R8xCoyLzkmsESjTlg4QgNSFAiRR9qZXt8= -github.com/drand/go-clients v0.2.0 h1:2agHJkF2OOjd9Eij/YedQnDc9mW0rywV/9xUHbf2XoQ= -github.com/drand/go-clients v0.2.0/go.mod h1:4m2qC/O8lx2Aj6DEIrEZ4kUzAUV6BIjmiSouW6lpYfI= +github.com/drand/drand/v2 v2.0.4 h1:aHV+WAisUaIz/m/xyxRtKGz1WJ5K2Ta1L0csA/ICDRU= +github.com/drand/drand/v2 v2.0.4/go.mod h1:nWBj4w7TA3R8xCoyLzkmsESjTlg4QgNSFAiRR9qZXt8= +github.com/drand/go-clients v0.2.1 h1:A2MpNKKrkRue4W/RIWoERjWwImvSpX0im+CqES7oF/c= +github.com/drand/go-clients v0.2.1/go.mod h1:4m2qC/O8lx2Aj6DEIrEZ4kUzAUV6BIjmiSouW6lpYfI= github.com/drand/kyber v1.3.1 h1:E0p6M3II+loMVwTlAp5zu4+GGZFNiRfq02qZxzw2T+Y= github.com/drand/kyber v1.3.1/go.mod h1:f+mNHjiGT++CuueBrpeMhFNdKZAsy0tu03bKq9D5LPA= github.com/drand/kyber-bls12381 v0.3.1 h1:KWb8l/zYTP5yrvKTgvhOrk2eNPscbMiUOIeWBnmUxGo= @@ -61,10 +63,14 @@ github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dv github.com/kelseyhightower/envconfig v1.4.0/go.mod h1:cccZRl6mQpaq41TPp5QxidR+Sa3axMbJDNb//FQX6Gg= github.com/kilic/bls12-381 v0.1.0 h1:encrdjqKMEvabVQ7qYOKu1OvhqpK4s47wDYtNiPtlp4= github.com/kilic/bls12-381 v0.1.0/go.mod h1:vDTTHJONJ6G+P2R74EhnyotQDTliQDnFEwhdmfzw1ig= +github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc= +github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0= github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= +github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc= +github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw= github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw= github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/mmcloughlin/addchain v0.4.0 h1:SobOdjm2xLj1KkXN5/n0xTIWyZA2+s99UCY1iPfkHRY= @@ -77,12 +83,12 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U= github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/prometheus/client_golang v1.19.1 h1:wZWJDwK+NameRJuPGDhlnFgx8e8HN3XHQeLaYJFJBOE= -github.com/prometheus/client_golang v1.19.1/go.mod h1:mP78NwGzrVks5S2H6ab8+ZZGJLZUq1hoULYBAYBw1Ho= +github.com/prometheus/client_golang v1.20.4 h1:Tgh3Yr67PaOv/uTqloMsCEdeuFTatm5zIq5+qNN23vI= +github.com/prometheus/client_golang v1.20.4/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE= github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E= github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY= -github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc= -github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8= +github.com/prometheus/common v0.60.0 h1:+V9PAREWNvJMAuJ1x1BaWl9dewMW4YrHZQbx0sJNllA= +github.com/prometheus/common v0.60.0/go.mod h1:h0LYf1R1deLSKtD4Vdg8gy4RuOvENW2J/h19V5NADQw= github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc= github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk= github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8= @@ -119,23 +125,23 @@ go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0= go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y= go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8= go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E= -golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30= -golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M= -golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys= -golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE= +golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw= +golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U= +golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4= +golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU= golang.org/x/sys v0.0.0-20201101102859-da207088b7d1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI= -golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= -golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4= -golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI= -google.golang.org/genproto/googleapis/api v0.0.0-20240723171418-e6d459c13d2a h1:YIa/rzVqMEokBkPtydCkx1VLmv3An1Uw7w1P1m6EhOY= -google.golang.org/genproto/googleapis/api v0.0.0-20240723171418-e6d459c13d2a/go.mod h1:AHT0dDg3SoMOgZGnZk29b5xTbPHMoEC8qthmBLJCpys= -google.golang.org/genproto/googleapis/rpc v0.0.0-20240723171418-e6d459c13d2a h1:hqK4+jJZXCU4pW7jsAdGOVFIfLHQeV7LaizZKnZ84HI= -google.golang.org/genproto/googleapis/rpc v0.0.0-20240723171418-e6d459c13d2a/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY= -google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc= -google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ= -google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg= -google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw= +golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo= +golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM= +golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY= +google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 h1:wKguEg1hsxI2/L3hUYrpo1RVi48K+uTyzKqprwLXsb8= +google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142/go.mod h1:d6be+8HhtEtucleCbxpPW9PA9XwISACu8nvpPqF0BVo= +google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 h1:QCqS/PdaHTSWGvupk2F/ehwHtGc0/GYkT+3GAcR1CCc= +google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI= +google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E= +google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA= +google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA= +google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q= diff --git a/networks/fixed/fixed.go b/networks/fixed/fixed.go new file mode 100644 index 0000000..7cb216a --- /dev/null +++ b/networks/fixed/fixed.go @@ -0,0 +1,84 @@ +// Package fixed implements the Network interface for the tlock package without actual networking. +package fixed + +import ( + "errors" + "time" + + chain "github.com/drand/drand/v2/common" + "github.com/drand/drand/v2/crypto" + + "github.com/drand/kyber" +) + +// Network represents the network support using the drand http client. +type Network struct { + chainHash string + publicKey kyber.Point + scheme *crypto.Scheme + period time.Duration + genesis int64 + fixedSig []byte +} + +// ErrNotUnchained represents an error when the informed chain belongs to a +// chained network. +var ErrNotUnchained = errors.New("not an unchained network") + +// NewNetwork constructs a network with static, fixed data +func NewNetwork(chainHash string, publicKey kyber.Point, sch *crypto.Scheme, period time.Duration, genesis int64, sig []byte) (*Network, error) { + switch sch.Name { + case crypto.ShortSigSchemeID: + case crypto.SigsOnG1ID: + case crypto.UnchainedSchemeID: + default: + return nil, ErrNotUnchained + } + + return &Network{ + chainHash: chainHash, + publicKey: publicKey, + scheme: sch, + period: period, + genesis: genesis, + fixedSig: sig, + }, nil +} + +// ChainHash returns the chain hash for this network. +func (n *Network) ChainHash() string { + return n.chainHash +} + +// Current returns the current round for that network at the given date. +func (n *Network) Current(date time.Time) uint64 { + return chain.CurrentRound(date.Unix(), n.period, n.genesis) +} + +// PublicKey returns the kyber point needed for encryption and decryption. +func (n *Network) PublicKey() kyber.Point { + return n.publicKey +} + +// Scheme returns the drand crypto Scheme used by the network. +func (n *Network) Scheme() crypto.Scheme { + return *n.scheme +} + +// Signature only returns a fixed signature if set with the fixed network +func (n *Network) Signature(_ uint64) ([]byte, error) { + return n.fixedSig, nil +} + +// RoundNumber will return the latest round of randomness that is available +func (n *Network) RoundNumber(t time.Time) uint64 { + // + 1 because round 1 happened at genesis time + // integer division makes sure it ticks only every period + return uint64(((t.Unix() - n.genesis) / int64(n.period.Seconds())) + 1) +} + +// SwitchChainHash allows to start using another chainhash on the same host network +func (n *Network) SwitchChainHash(c string) error { + n.chainHash = c + return nil +} diff --git a/tlock.go b/tlock.go index 49965af..a56be55 100644 --- a/tlock.go +++ b/tlock.go @@ -1,5 +1,5 @@ // Package tlock provides an API for encrypting/decrypting data using -// drand time lock encryption. This allows data to be encrypted and only +// drand timelock encryption. This allows data to be encrypted and only // decrypted in the future. package tlock @@ -39,7 +39,7 @@ type Network interface { // ============================================================================= -// Tlock provides an API for time lock encryption and decryption. +// Tlock provides an API for timelock encryption and decryption. type Tlock struct { network Network trustChainhash bool @@ -64,7 +64,7 @@ func (t Tlock) Strict() Tlock { // Encrypt will encrypt the source and write that to the destination. The encrypted // data will not be decryptable until the specified round is reached by the network. func (t Tlock) Encrypt(dst io.Writer, src io.Reader, roundNumber uint64) (err error) { - w, err := age.Encrypt(dst, &tleRecipient{network: t.network, roundNumber: roundNumber}) + w, err := age.Encrypt(dst, &Recipient{network: t.network, roundNumber: roundNumber}) if err != nil { return fmt.Errorf("hybrid encrypt: %w", err) } @@ -94,7 +94,7 @@ func (t Tlock) Decrypt(dst io.Writer, src io.Reader) error { src = rr } - r, err := age.Decrypt(src, &tleIdentity{network: t.network, trustChainhash: t.trustChainhash}) + r, err := age.Decrypt(src, &Identity{network: t.network, trustChainhash: t.trustChainhash}) if err != nil { return fmt.Errorf("hybrid decrypt: %w", err) } diff --git a/tlock_age.go b/tlock_age.go index 3594c92..0a57d1c 100644 --- a/tlock_age.go +++ b/tlock_age.go @@ -1,10 +1,12 @@ package tlock import ( + "encoding/hex" "errors" "fmt" "os" "strconv" + "strings" "time" "filippo.io/age" @@ -13,17 +15,35 @@ import ( var ErrWrongChainhash = errors.New("invalid chainhash") -// tleRecipient implements the age Recipient interface. This is used to encrypt +// Recipient implements the age Recipient interface. This is used to encrypt // data with the age Encrypt API. -type tleRecipient struct { +type Recipient struct { network Network roundNumber uint64 } +func NewRecipient(network Network, roundNumber uint64) *Recipient { + return &Recipient{ + network: network, + roundNumber: roundNumber, + } +} + +func (t *Recipient) SetNetwork(network Network) { + t.network = network +} + +// SetRound allows you to set the round number towards which you'd like to timelock encrypt data +// the Wrap process will then fetch the public key and appropriate scheme from the Recipient's +// network and Wrap filekeys toward that round number using timelock encryption. +func (t *Recipient) SetRound(round uint64) { + t.roundNumber = round +} + // Wrap is called by the age Encrypt API and is provided the DEK generated by // age that is used for encrypting/decrypting data. Inside of Wrap we encrypt -// the DEK using time lock encryption. -func (t *tleRecipient) Wrap(fileKey []byte) ([]*age.Stanza, error) { +// the DEK using timelock encryption. +func (t *Recipient) Wrap(fileKey []byte) ([]*age.Stanza, error) { ciphertext, err := TimeLock(t.network.Scheme(), t.network.PublicKey(), t.roundNumber, fileKey) if err != nil { return nil, fmt.Errorf("encrypt dek: %w", err) @@ -43,20 +63,50 @@ func (t *tleRecipient) Wrap(fileKey []byte) ([]*age.Stanza, error) { return []*age.Stanza{&stanza}, nil } +func (t *Recipient) String() string { + sb := strings.Builder{} + + sb.WriteString(fmt.Sprintf("%d@", t.roundNumber)) + sb.WriteString(t.network.ChainHash()) + sb.WriteString("-" + t.network.Scheme().Name) + d, err := t.network.PublicKey().MarshalBinary() + if err != nil { + d = []byte("error") + } + sb.WriteString("-" + hex.EncodeToString(d)) + + return sb.String() +} + // ============================================================================= -// tleIdentity implements the age Identity interface. This is used to decrypt +// Identity implements the age Identity interface. This is used to decrypt // data with the age Decrypt API. -type tleIdentity struct { +type Identity struct { network Network trustChainhash bool } +func NewIdentity(network Network, trustChainhash bool) *Identity { + return &Identity{ + network: network, + trustChainhash: trustChainhash, + } +} + +func (t *Identity) SetNetwork(network Network) { + t.network = network +} + +func (t *Identity) SetTrust(trust bool) { + t.trustChainhash = trust +} + // Unwrap is called by the age Decrypt API and is provided the DEK that was time // lock encrypted by the Wrap function via the Stanza. Inside of Unwrap we decrypt // the DEK and provide back to age. If the ciphertext uses a chainhash different // from the one we are current using, we will try switching to it. -func (t *tleIdentity) Unwrap(stanzas []*age.Stanza) ([]byte, error) { +func (t *Identity) Unwrap(stanzas []*age.Stanza) ([]byte, error) { if len(stanzas) < 1 { return nil, errors.New("check stanzas length: should be at least one") } @@ -123,3 +173,14 @@ func (t *tleIdentity) Unwrap(stanzas []*age.Stanza) ([]byte, error) { return nil, fmt.Errorf("check stanza type: wrong type: %w", age.ErrIncorrectIdentity) } + +func (t *Identity) String() string { + sb := strings.Builder{} + + sb.WriteString(fmt.Sprintf("Trust:%v@", t.trustChainhash)) + sb.WriteString(t.network.ChainHash()) + sb.WriteString("-" + t.network.Scheme().Name) + sb.WriteString("-" + t.network.PublicKey().String()) + + return sb.String() +} diff --git a/tlock_age_test.go b/tlock_age_test.go index ac55559..18024ae 100644 --- a/tlock_age_test.go +++ b/tlock_age_test.go @@ -20,7 +20,7 @@ func Test_WrapUnwrap(t *testing.T) { t.Fatalf("network error %s", err) } - recipient := tleRecipient{ + recipient := Recipient{ roundNumber: network.RoundNumber(time.Now()), network: network, } @@ -36,7 +36,7 @@ func Test_WrapUnwrap(t *testing.T) { t.Fatalf("wrap error %s", err) } - identity := tleIdentity{ + identity := Identity{ network: network, } diff --git a/tlock_test.go b/tlock_test.go index 2136c56..bd5a7b2 100644 --- a/tlock_test.go +++ b/tlock_test.go @@ -31,13 +31,12 @@ const ( testnetUnchainedOnG2 = "7672797f548f3f4748ac4bf3352fc6c6b6468c9ad40ad456a397545c6e2df5bf" testnetQuicknetT = "cc9c398442737cbd141526600919edd69f1d6f9b4adb67e4d912fbc64341a9a5" mainnetHost = "http://api.drand.sh/" - mainnetFastnet = "dbd506d6ef76e5f386f41c651dcb808c5bcbd75471cc4eafa3f4df7ad4e4c493" mainnetQuicknet = "52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971" ) func TestEarlyDecryptionWithDuration(t *testing.T) { for host, hashes := range map[string][]string{testnetHost: {testnetUnchainedOnG2, testnetQuicknetT}, - mainnetHost: {mainnetFastnet, mainnetQuicknet}} { + mainnetHost: {mainnetQuicknet}} { for _, hash := range hashes { network, err := http.NewNetwork(host, hash) require.NoError(t, err) @@ -293,17 +292,17 @@ func TestCannotEncryptWithPointAtInfinity(t *testing.T) { func TestDecryptText(t *testing.T) { cipher := `-----BEGIN AGE ENCRYPTED FILE----- -YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHRsb2NrIDIgZGJkNTA2ZDZlZjc2ZTVm -Mzg2ZjQxYzY1MWRjYjgwOGM1YmNiZDc1NDcxY2M0ZWFmYTNmNGRmN2FkNGU0YzQ5 -MwpzRXAvVVpBQXlDSjE1QUxDaUFnQ1E2cEd1elJXS0kzMkpsQnBxUFAzcHVvdWRT -a2w0OXJ0NC9rMmd0UHlVMTRxCkN3MERjVUJVUlloT2UrRjZsSE9lTFgwMkZNMjk3 -UGpwNlBZL09WY3NoblhqMTVMbU9FeXV1MjlDcmJGQXU3SmgKcWxlbjFtaXBONWUz -eFpVQysxQWtjS1Z3SU9uRjJWaW8veUpkNEUyVHhQWQotLS0gN21xSHhranNqMEND -UG9qN2haU0FWdEpFK0pUZzUwWmVsVS9YRWdOaDRadwpeDBRfXZtLOC49GlI+Kozr -z6hgtLUPYvAimgekc+CeyJ8fb/0MVrpq/Ewnx1MpKig8nQ== +YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHRsb2NrIDEyMDQwODgzIDUyZGI5YmE3 +MGUwY2MwZjZlYWY3ODAzZGQwNzQ0N2ExZjU0Nzc3MzVmZDNmNjYxNzkyYmE5NDYw +MGM4NGU5NzEKa1JjK01NSEUwS005b1V0SmNLTWZGb1JFVzBXN1JQbTNtdzZpVUJ1 +cGNXVkZkZDJQb1h6U0JrK25TM01BNnBKNwpHZDl3REhmVU5hTldXTWw2cGVia2Jh +OUVNZGJDWnBuQVNtOWFIb3hqUitwaGFVT2xoS1ppZGl5ZHBLSStPS2N0CmxvT2ZP +SW9KaGtndTVTRnJUOGVVQTJUOGk3aTBwQlBzTDlTWUJUZEJQb28KLS0tIEl6Q1Js +WSt1RXp0d21CbEg0cTFVZGNJaW9pS2l0M0c0bHVxNlNjT2w3UUUKDI4cDlPHPgjy +UnBmtsw6U2LlKh8iDf0E1PfwDenmKFfQaAGm0WLxdlzP8Q== -----END AGE ENCRYPTED FILE-----` t.Run("With valid network", func(tt *testing.T) { - network, err := http.NewNetwork(mainnetHost, mainnetFastnet) + network, err := http.NewNetwork(mainnetHost, mainnetQuicknet) require.NoError(tt, err) testReader := strings.NewReader(cipher) @@ -312,7 +311,7 @@ z6hgtLUPYvAimgekc+CeyJ8fb/0MVrpq/Ewnx1MpKig8nQ== err = tlock.New(network).Decrypt(&plainData, testReader) require.NoError(tt, err) - require.Equal(tt, "Hello drand World\n", plainData.String()) + require.Equal(tt, "hello world", plainData.String()) }) t.Run("With invalid network", func(tt *testing.T) { @@ -341,17 +340,18 @@ z6hgtLUPYvAimgekc+CeyJ8fb/0MVrpq/Ewnx1MpKig8nQ== func TestInteropWithJS(t *testing.T) { t.Run("on Mainnet with G1 sigs", func(t *testing.T) { cipher := `-----BEGIN AGE ENCRYPTED FILE----- -YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHRsb2NrIDEgZGJkNTA2ZDZlZjc2ZTVm -Mzg2ZjQxYzY1MWRjYjgwOGM1YmNiZDc1NDcxY2M0ZWFmYTNmNGRmN2FkNGU0YzQ5 -MwpvMTZVWGpocTM2Y0U0aExDY3B2SThMNEJhNzNLbXZ1T3dUR0x4L2QvMWdISTdk -cDBWbE9IeUhXYUxaalNEUUlSCkIxZHBJeG82RVVLekFMU1FtQ1VFbjhwZHNHMHRy -anlsZjJPTFZHelNYdFhwQXhPSEljbnY2SVp1ck1sZ3RybDIKTk1KOWhsSWZoOFEz -Z3MrWGNCc0F2NGY2L2k5dVJlZlFJeUhtU1AvMDZxdwotLS0gbEtQSXMzeVNZMmUw -RndkR1oyL0xFTkZILzl4Y3NBOU5EWXRGcDBObmZidwpiI9yHPl4yVTbeImtNOklv -Ds7/d2pdgkRooMJ58zoZd+AFXtAn2+7yGehvtkrWoSxgA8cf1aLuHFTAHho= +YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHRsb2NrIDEyMDQxMTI1IDUyZGI5YmE3 +MGUwY2MwZjZlYWY3ODAzZGQwNzQ0N2ExZjU0Nzc3MzVmZDNmNjYxNzkyYmE5NDYw +MGM4NGU5NzEKbDNtWFdseFRIS0YxQi9HZGYyMzJ0cmkveDFWZk5zVDMwS002eExV +NXUwbFFqQVdNSFJmVHJYbnFJOWpHWWM4ZApETmVodVhaUm8zay9HVzVMVDNaN1M1 +d3JVN0lvQVNQUy9xY3JjODNIWEplY25wTXVJS1ZTM3Fyc0NvZzJiZW1OCjVJQmRD +VDU4UUZGeVJ5QzRlRUFZU092NWl0b3E2UWw1RDh6WEtVdmdTTFkKLS0tIEk5c0th +Mi9yeEF2ZDFlL1paTFlIV2VZYkVZVjlreDFidE1wWm1rMU51QkUKxCgEsEjSEixh +4nEBtpolrubLO6WwhfWuh5ZFewjuXbSyrJGreivurDm+7y5stuDO6xPVRpcU+eSQ +RLrz -----END AGE ENCRYPTED FILE-----` expected := "hello world and other things" - network, err := http.NewNetwork(mainnetHost, mainnetFastnet) + network, err := http.NewNetwork(mainnetHost, mainnetQuicknet) require.NoError(t, err) testReader := strings.NewReader(cipher)