secp256k1.cr changelog

Changelog History

• v0.2.2

  January 13, 2020

  🚀 this feature release improves keypair and account management by introducing data structures for

  • Secp256k1::Keypair
  • Secp256k1::Bitcoin::Account
  • Secp256k1::Ethereum::Account
  • Secp256k1::Ethereum::Enode

  🔄 changes:

  • ➕ add devp2p enode support #31
  • add mini_is_valid? #29

• v0.2.1

  January 09, 2020

  📚 this release significantly improves the documentation at https://q9f.github.io/secp256k1.cr/ and applies some minor enhancements to the exposed apis of the library, namely:

  • mini-private keys now use BASE-56 instead of BASE-57. that does not affect existing mini-private keys.
  • added Secp256k1::Bitcoin.wif_from_private_uncompressed wrapper for uncompressed wif
  • renamed Secp256k1::Bitcoin.wif_compressed_from_private to .wif_from_private_compressed
  • private keys are handled as BigInt instead of a String literals wherever possible, e.g., Secp256k1::Bitcoin.address_from_private or Secp256k1::Ethereum.address_from_private
  • constants: renamed EC_PARAM_PRIME to EC_PRIME_P
  • replaced BASE_57 in favor of BASE_56 by removing the o from the alphabet as recommended by the Bitcoin Wiki.
  • binary hashing operations now directly operate on Bytes instead of String literals, e.g., Secp256k1::Hash.sha3, .sha256, .keccak256, .ripemd160
  • added Secp256k1::Hash.ripemd160_string for RIPEMD-160 hashes on String literals to complement .sha3_string, .sha256_string, and .keccak256_string
  • added Secp256k1::Hash.base58_char to complement .base56_char
  • pass the prime through Secp256k1::Util.restore_public_key

  🔄 changes:

  • 👌 improve the documentation #27

• v0.2.0

  January 06, 2020

  🚀 this release refactors the entire library and entangles some of the submodules exposed by the library.

  this library now exposes the following modules (in logical order):

  • Secp256k1: necessary constants and data structures
  • Secp256k1::Core: the entire core mathematics behind the elliptic curve cryptography
  • Secp256k1::Util: all tools for the handling of private-public key-pairs
  • Secp256k1::Hash: implementation of various hashing algorithms for convenience
  • Secp256k1::Signature: allows for signing messages and verifying signatures
  • Secp256k1::Bitcoin: for the generation of bitcoin addresses
  • Secp256k1::Ethereum: for the generation of ethereum addresses

  📄 docs are now published on github pages: q9f.github.io/secp256k1.cr

  🔄 changes:

  • ➕ add docs to readme (#26)
  • ➕ add crystal docs (#25)
  • 📇 rename utils to util (#24)
  • ♻️ refactor code with meaningful submodule namespaces (#23)

• v0.1.6

  January 05, 2020

  🚀 this is a feature release that allows for basic ecdsa signature generation and verification.

  🔄 changes:

  • 👍 allow to sign and verify messages #20

• v0.1.5

  January 01, 2020

  🚀 this is a feature release that allows for retrieving bitcoin addresses from wallet import format by honoring the compressed byte.

  🔄 changes:

  • 👍 allow for wif to address #19

• v0.1.4

  December 25, 2019

  🚀 this is a feature release that allows for generation of mini private keys and proper handling of bitcoin's wallet import format.

  🔄 changes:

  • try: add an example program #14
  • ➕ add support for mini private keys #16
  • ➕ add support for wallet import format #18

• v0.1.3

  December 24, 2019

  🚀 this is a feature release that allows for generation of bitcoin and ethereum addresses.

  🔄 changes:

  • ➕ add cryptographic hashing functions #9
  • ➕ add bitcoin and ethereum address modules #9
  • 👍 allow for export of unprefixed uncompressed keys for ethereum #9
  • ➕ add tests for hashes on bytes #9
  • ✅ implement eip-55 test cases #9
  • bind mpz_powm_sec from libgmp #11

• v0.1.2

  December 24, 2019

  🚀 this is a feature release adding the ability to encode and decode the different public key formats

  🔄 changes:

  • 👍 allow for converting between different public key formats #7
  • ➕ add a known private key to tests #7
  • raise if it tries to decode compressed keys as mod_exp overflows #7

• v0.1.1

  December 24, 2019

  🛠 this is a bugfix release that improves performance and stability.

  🔄 changes:

  • 👉 use proper integer division #6
  • ensure private keys are within the ec field size #6
  • disallow ec multiplication with invalid private keys #6

• v0.1.0

  December 24, 2019

  🎉 initial release for the secp256k1 crystal library

  containing:

  • the constants describing the elliptic curve #1
  • the four Secp256k1:: key functions for ec_mul, ec_add, ec_double, and ec_mod_inv #1
  • utilities to generate private and public keys #1
  • ✅ tests for the secp256k1 module #1
  • a struct for EC_Point #1
  • github actions checking format and spec #2
  • a meaningful readme #3