From bc3bdb5767738d60a195bb76588c898720def1a8 Mon Sep 17 00:00:00 2001 From: Knut Ahlers Date: Mon, 7 Oct 2019 14:14:41 +0200 Subject: [PATCH] Initial version Signed-off-by: Knut Ahlers --- .gitignore | 1 + .repo-runner.yaml | 11 +++ LICENSE | 202 ++++++++++++++++++++++++++++++++++++++++++++++ Makefile | 3 + go.mod | 10 +++ go.sum | 24 ++++++ main.go | 123 ++++++++++++++++++++++++++++ 7 files changed, 374 insertions(+) create mode 100644 .gitignore create mode 100644 .repo-runner.yaml create mode 100644 LICENSE create mode 100644 Makefile create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..771d83a --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +androcrypt diff --git a/.repo-runner.yaml b/.repo-runner.yaml new file mode 100644 index 0000000..f430140 --- /dev/null +++ b/.repo-runner.yaml @@ -0,0 +1,11 @@ +--- + +image: "reporunner/golang-alpine" +checkout_dir: /go/src/github.com/Luzifer/androcrypt + +commands: + - make publish + +environment: + CGO_ENABLED: 0 + MOD_MODE: readonly diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..2ce1cf5 --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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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 2019- Knut Ahlers + + 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/Makefile b/Makefile new file mode 100644 index 0000000..9338123 --- /dev/null +++ b/Makefile @@ -0,0 +1,3 @@ +publish: + curl -sSLo golang.sh https://raw.githubusercontent.com/Luzifer/github-publish/master/golang.sh + bash golang.sh diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..01f47b4 --- /dev/null +++ b/go.mod @@ -0,0 +1,10 @@ +module github.com/Luzifer/androcrypt + +go 1.13 + +require ( + github.com/Luzifer/go-openssl v2.0.0+incompatible + github.com/Luzifer/go-openssl/v3 v3.1.0 + github.com/Luzifer/rconfig/v2 v2.2.1 + github.com/sirupsen/logrus v1.4.2 +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..1a3a477 --- /dev/null +++ b/go.sum @@ -0,0 +1,24 @@ +github.com/Luzifer/go-openssl v2.0.0+incompatible h1:EpNNxrPDji4rRzE0KeOeIeV7pHyKe8zF9oNnAXy4mBY= +github.com/Luzifer/go-openssl v2.0.0+incompatible/go.mod h1:t2qnLjT8WQ3usGU1R8uAqjY4T7CK7eMg9vhQ3l9Ue/Y= +github.com/Luzifer/go-openssl/v3 v3.1.0 h1:QqKqo6kYXGGUsvtUoCpRZm8lHw+jDfhbzr36gVj+/gw= +github.com/Luzifer/go-openssl/v3 v3.1.0/go.mod h1:liy3FXuuS8hfDlYh1T+l78AwQ/NjZflJz0NDvjKhwDs= +github.com/Luzifer/rconfig v2.2.0+incompatible h1:Kle3+rshPM7LxciOheaR4EfHUzibkDDGws04sefQ5m8= +github.com/Luzifer/rconfig/v2 v2.2.1 h1:zcDdLQlnlzwcBJ8E0WFzOkQE1pCMn3EbX0dFYkeTczg= +github.com/Luzifer/rconfig/v2 v2.2.1/go.mod h1:OKIX0/JRZrPJ/ZXXWklQEFXA6tBfWaljZbW37w+sqBw= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk= +github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4= +github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE= +github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg= +github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4= +github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= +golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc= +golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/validator.v2 v2.0.0-20180514200540-135c24b11c19 h1:WB265cn5OpO+hK3pikC9hpP1zI/KTwmyMFKloW9eOVc= +gopkg.in/validator.v2 v2.0.0-20180514200540-135c24b11c19/go.mod h1:o4V0GXN9/CAmCsvJ0oXYZvrZOe7syiDZSN1GWGZTGzc= +gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/main.go b/main.go new file mode 100644 index 0000000..e6d9de5 --- /dev/null +++ b/main.go @@ -0,0 +1,123 @@ +package main + +import ( + "bytes" + "fmt" + "io" + "io/ioutil" + "os" + + log "github.com/sirupsen/logrus" + + "github.com/Luzifer/go-openssl/v3" + "github.com/Luzifer/rconfig/v2" +) + +var ( + cfg = struct { + Decrypt bool `flag:"decrypt,d" default:"false" description:"Execute decrypt operation"` + InFile string `flag:"in-file,i" default:"-" description:"File to read input from (- for stdin)"` + KDF string `flag:"kdf" default:"sha256" description:"Key-Derivation-Function to use (on of md5, sha1, sha256)"` + Key string `flag:"key,k" default:"" description:"Key to use for en- or decryption"` + KeyFile string `flag:"key-file,f" default:"" description:"Key-File which content is used instead of the key (overwrites key flag)"` + LogLevel string `flag:"log-level" default:"info" description:"Log level (debug, info, warn, error, fatal)"` + OutFile string `flag:"out-file,o" default:"-" description:"File to write output to (- for stdout)"` + VersionAndExit bool `flag:"version" default:"false" description:"Prints current version and exits"` + }{} + + version = "dev" +) + +func init() { + rconfig.AutoEnv(true) + if err := rconfig.ParseAndValidate(&cfg); err != nil { + log.Fatalf("Unable to parse commandline options: %s", err) + } + + if cfg.VersionAndExit { + fmt.Printf("git-changerelease %s\n", version) + os.Exit(0) + } + + if l, err := log.ParseLevel(cfg.LogLevel); err != nil { + log.WithError(err).Fatal("Unable to parse log level") + } else { + log.SetLevel(l) + } +} + +func main() { + if cfg.KeyFile != "" { + rawKey, err := ioutil.ReadFile(cfg.KeyFile) + if err != nil { + log.WithError(err).Fatal("Unable to read key from file") + } + cfg.Key = string(rawKey) + } + + if cfg.Key == "" { + log.Fatal("No key given") + } + + var kdf openssl.DigestFunc + switch cfg.KDF { + case "md5": + kdf = openssl.DigestMD5Sum + case "sha1": + kdf = openssl.DigestSHA1Sum + case "sha256": + kdf = openssl.DigestSHA256Sum + default: + log.Fatalf("No such Key-Derivation-Function: %q", cfg.KDF) + } + + var ( + input io.Reader + output io.Writer + ) + + if cfg.InFile == "-" { + input = os.Stdin + } else { + f, err := os.Open(cfg.InFile) + if err != nil { + log.WithError(err).Fatal("Unable to open input file") + } + defer f.Close() + input = f + } + + if cfg.OutFile == "-" { + output = os.Stdout + } else { + f, err := os.Create(cfg.OutFile) + if err != nil { + log.WithError(err).Fatal("Unable to create output file") + } + defer f.Close() + output = f + } + + var ( + err error + in = new(bytes.Buffer) + out []byte + ) + if _, err := io.Copy(in, input); err != nil { + log.WithError(err).Fatal("Unable to read input file") + } + + if cfg.Decrypt { + out, err = openssl.New().DecryptBytes(cfg.Key, in.Bytes(), kdf) + } else { + out, err = openssl.New().EncryptBytes(cfg.Key, in.Bytes(), kdf) + } + + if err != nil { + log.WithError(err).Fatal("Unable to perform cryptographic action") + } + + if _, err = output.Write(out); err != nil { + log.WithError(err).Fatal("Unable to write output data") + } +}