dcbor is a command line Deterministic CBOR ("dCBOR") validation and diagnostic tool based on the crate of the same name.
- Validates dCBOR inputs.
- Receives inputs in hex or binary format.
- Formats output several different ways:
- CBOR diagnostic notation (compact or annotated).
- Hexadecimal (compact or annotated).
- Binary
To install from crates.io, run:
cargo install dcbor-cliTo install from source, clone this repo, change to its root directory and run:
cargo install --path .This is the command line syntax as output by typing dcbor --help:
Command line parser/validator for deterministic CBOR ("dCBOR").
Usage: dcbor [OPTIONS] [HEX]
Arguments:
[HEX]
Input dCBOR as hexadecimal. If not provided here or input format is binary, input is read from STDIN
Options:
-i, --in <IN>
The input format
[default: hex]
Possible values:
- hex: Hexadecimal
- bin: Raw binary
-o, --out <OUT>
The output format
[default: diag]
Possible values:
- diag: CBOR diagnostic notation
- hex: Hexadecimal
- bin: Raw binary
- none: No output: merely succeeds on validation of input
-c, --compact
Output diagnostic notation or hexadecimal in compact form. Ignored for other output formats
-h, --help
Print help (see a summary with '-h')
-V, --version
Print version
$ dcbor 6548656C6C6F
"Hello"
$ CBOR_HEX=d99d6ca4015059f2293a5bce7d4de59e71b4207ac5d202c11a6035970003754461726b20507572706c652041717561204c6f766504787b4c6f72656d20697073756d20646f6c6f722073697420616d65742c20636f6e73656374657475722061646970697363696e6720656c69742c2073656420646f20656975736d6f642074656d706f7220696e6369646964756e74207574206c61626f726520657420646f6c6f7265206d61676e6120616c697175612e
$ dcbor $CBOR_HEX
40300(
{
1:
h'59f2293a5bce7d4de59e71b4207ac5d2',
2:
1(2021-02-24T00:00:00Z), / date /
3:
"Dark Purple Aqua Love",
4:
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."
}
)
$ dcbor --compact $CBOR_HEX
40300({1: h'59f2293a5bce7d4de59e71b4207ac5d2', 2: 1(1614124800), 3: "Dark Purple Aqua Love", 4: "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."})
$ dcbor --out hex $CBOR_HEX
d9 9d6c # tag(40300)
a4 # map(4)
01 # unsigned(1)
50 # bytes(16)
59f2293a5bce7d4de59e71b4207ac5d2
02 # unsigned(2)
c1 # tag(1) date
1a60359700 # unsigned(1614124800)
03 # unsigned(3)
75 # text(21)
4461726b20507572706c652041717561204c6f7665 # "Dark Purple Aqua Love"
04 # unsigned(4)
78 7b # text(123)
4c6f72656d20697073756d20646f6c6f722073697420616d65742c20636f6e73656374657475722061646970697363696e6720656c69742c2073656420646f20656975736d6f642074656d706f7220696e6369646964756e74207574206c61626f726520657420646f6c6f7265206d61676e6120616c697175612e # "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."
# Write the binary to a file using stdout.
$ dcbor --out bin $CBOR_HEX >test.bin
# Read it back in from the same file.
$ dcbor --in bin --out hex --compact <test.bin
d99d6ca4015059f2293a5bce7d4de59e71b4207ac5d202c11a6035970003754461726b20507572706c652041717561204c6f766504787b4c6f72656d20697073756d20646f6c6f722073697420616d65742c20636f6e73656374657475722061646970697363696e6720656c69742c2073656420646f20656975736d6f642074656d706f7220696e6369646964756e74207574206c61626f726520657420646f6c6f7265206d61676e6120616c697175612e
dcbor is currently under active development and in the alpha testing phase. It should not be used for production tasks until it has had further testing and auditing. See Blockchain Commons' Development Phases.
dcbor is a project of Blockchain Commons. We are proudly a "not-for-profit" social benefit corporation committed to open source & open development. Our work is funded entirely by donations and collaborative partnerships with people like you. Every contribution will be spent on building open tools, technologies, and techniques that sustain and advance blockchain and internet security infrastructure and promote an open web.
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The following people directly contributed to this repository. You can add your name here by getting involved. The first step is learning how to contribute from our CONTRIBUTING.md documentation.
| Name | Role | Github | GPG Fingerprint | |
|---|---|---|---|---|
| Christopher Allen | Principal Architect | @ChristopherA | <[email protected]> | FDFE 14A5 4ECB 30FC 5D22 74EF F8D3 6C91 3574 05ED |
| Wolf McNally | Lead Researcher/Engineer | @WolfMcNally | <[email protected]> | 9436 52EE 3844 1760 C3DC 3536 4B6C 2FCF 8947 80AE |
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The following keys may be used to communicate sensitive information to developers:
| Name | Fingerprint |
|---|---|
| Christopher Allen | FDFE 14A5 4ECB 30FC 5D22 74EF F8D3 6C91 3574 05ED |
You can import a key by running the following command with that individual’s fingerprint: gpg --recv-keys "<fingerprint>" Ensure that you put quotes around fingerprints that contain spaces.