v2.8.4

What's Changed

• update BIO callback and data access for newer Crystal by @mamantoha in #18

New Contributors

• @mamantoha made their first contribution in #18

v2.8.3

fixes issues with EC curves and older openssl versions

v2.8.2

What's Changed

• fix: Null EC_GROUP reference by @russ in #16

New Contributors

• @russ made their first contribution in #16

Full Changelog: v2.8.1...v2.8.2

v2.8.1

fixes an incompatibility with Crystal lang std lib

v2.8.0

adds X.509 certificate parsing and validation

v2.7.0

New LibCrypto bindings (src/openssl_ext/lib_crypto.cr:351-353):

• ec_key_set_public_key - Set EC public key
• ec_key_get0_private_key - Get EC private key BIGNUM
• ec_key_set_private_key - Set EC private key

New class methods (src/openssl_ext/pkey/ec.cr:98-201):

• OpenSSL::PKey::EC.from_private_bytes(bytes, curve) - Create EC key from raw private key bytes
  • Automatically derives the public key from private key
  • P-256: expects 32 bytes
  • P-384: expects 48 bytes
• OpenSSL::PKey::EC.from_public_bytes(bytes, curve) - Create public key from raw bytes
  • Accepts uncompressed format (0x04 + x + y)
  • Validates point is on curve

New instance methods (src/openssl_ext/pkey/ec.cr:280-314):

• private_key_bytes : Bytes - Export private key as raw bytes
• public_key_bytes : Bytes - Export public key as raw uncompressed bytes

v2.6.3

fixes compilation on MacOS and only implements RSA PSS operations on OpenSSL 3+

v2.6.1

adds function to Generate EC key by curve name

v2.6.0

add RSA-PSS padding signing support

v2.5.2

fixes to not_after helpers