convertlib

• Update README.md for the 3.6.0 API: the to<Name>Bytes byte encoders, the
  non-throwing tryFrom<Name> decoders, constantTimeEquals, the exported
  converter base classes, and the case-insensitive Crockford decoding.

Full Changelog: v3.6.0...v3.6.1

• Update README.md for the 3.6.0 API: the to<Name>Bytes byte encoders, the non-throwing tryFrom<Name> decoders, constantTimeEquals, the exported converter base classes, and the case-insensitive Crockford decoding.

• [Breaking Changes]
  • CipherlibConverter -> BitConverter (the exported bit-converter base class).
  • BigIntDecoder narrows from Converter<BigInt, Iterable<int>> to
    Converter<BigInt, Uint8List>; BigIntCodec decoders now return a Uint8List.
• Export the ByteEncoder, ByteDecoder, AlphabetEncoder, and AlphabetDecoder
  base classes, previously part of the API surface but not reachable through
  package:convertlib/convertlib.dart.
• Add constantTimeEquals, a top-level constant-time byte comparison for
  verifying MACs and digests without wrapping them in a ByteCollector.
• Add toHexBytes, toBinaryBytes, toOctalBytes, toBase32Bytes, and
  toBase64Bytes, returning the encoded ASCII output as a Uint8List without
  the intermediate String.
• Add non-throwing decoders tryFromHex, tryFromBinary, tryFromOctal,
  tryFromBase32, tryFromBase64, tryFromUtf8, and tryFromBigInt, which
  return null instead of throwing a FormatException on invalid input.
• Fix the UTF-8 encoder emitting invalid bytes for scalar code points in
  U+10000..U+10FFFF; UTF8Encoder.convert now uses the 4-byte form (the public
  toUtf8 was unaffected). Verified against dart:convert.
• Make the Crockford Base-32 decoder case-insensitive and decode the ambiguous
  letters I/i/L/l as 1 and O/o as 0. Encoding output is unchanged.
• Fix ByteCollector.number truncating values wider than 32 bits on the web; it
  now accumulates with multiplication and is exact up to 2^53 (VM unchanged).
• ByteCollector.isEqual returns false for a [String] that is not valid
  hexadecimal instead of throwing a FormatException, matching its contract.
• Add value-based == and hashCode to CryptData; a null and an empty
  params map now compare equal (both encode to the same string).
• PHC/crypt: allow empty parameter values (e.g. $id$data=), and fix the decoder
  mis-classifying a comma-containing v=... segment as the version.
• Speed up fromBase32/fromBase64 decoding and the generic AlphabetEncoder by
  removing extra allocations and passes; output is byte-identical.
• Clarify the FormatException message for non-canonical encoded input:
  'Invalid length' is now 'Invalid length or non-zero trailing bits'.

Full Changelog: v3.5.1...v3.6.0

• [Breaking Changes]
  • CipherlibConverter -> BitConverter (the exported bit-converter base class).
  • BigIntDecoder narrows from Converter<BigInt, Iterable<int>> to Converter<BigInt, Uint8List>; BigIntCodec decoders now return a Uint8List.
• Export the ByteEncoder, ByteDecoder, AlphabetEncoder, and AlphabetDecoder base classes, previously part of the API surface but not reachable through package:convertlib/convertlib.dart.
• Add constantTimeEquals, a top-level constant-time byte comparison for verifying MACs and digests without wrapping them in a ByteCollector.
• Add toHexBytes, toBinaryBytes, toOctalBytes, toBase32Bytes, and toBase64Bytes, returning the encoded ASCII output as a Uint8List without the intermediate String.
• Add non-throwing decoders tryFromHex, tryFromBinary, tryFromOctal, tryFromBase32, tryFromBase64, tryFromUtf8, and tryFromBigInt, which return null instead of throwing a FormatException on invalid input.
• Fix the UTF-8 encoder emitting invalid bytes for scalar code points in U+10000..U+10FFFF; UTF8Encoder.convert now uses the 4-byte form (the public toUtf8 was unaffected). Verified against dart:convert.
• Make the Crockford Base-32 decoder case-insensitive and decode the ambiguous letters I/i/L/l as 1 and O/o as 0. Encoding output is unchanged.
• Fix ByteCollector.number truncating values wider than 32 bits on the web; it now accumulates with multiplication and is exact up to 2^53 (VM unchanged).
• ByteCollector.isEqual returns false for a [String] that is not valid hexadecimal instead of throwing a FormatException, matching its contract.
• Add value-based == and hashCode to CryptData; a null and an empty params map now compare equal (both encode to the same string).
• PHC/crypt: allow empty parameter values (e.g. $id$data=), and fix the decoder mis-classifying a comma-containing v=... segment as the version.
• Speed up fromBase32/fromBase64 decoding and the generic AlphabetEncoder by removing extra allocations and passes; output is byte-identical.
• Clarify the FormatException message for non-canonical encoded input: 'Invalid length' is now 'Invalid length or non-zero trailing bits'.

• Widen fromUtf8 to accept any List<int> input instead of requiring a
  Uint8List. Non-Uint8List inputs are copied to a Uint8List before
  decoding.

Full Changelog: v3.5.0...v3.5.1

• Widen fromUtf8 to accept any List<int> input instead of requiring a Uint8List. Non-Uint8List inputs are copied to a Uint8List before decoding.

• [Breaking Changes]
  • Renames internal abstract class HashlibConverter to CipherlibConverter.
  • Removes encodeString, decodeString from IterableCodec.
• Fix CryptDataBuilder.param to throw an ArgumentError when the value is
  null, instead of a raw TypeError.
• Speed up Base-64 and Base-32 encoding with specialized single-pass encoders.
  Base-64 encoding now outperforms dart:convert.
• Speed up Base-64 and Base-32 decoding with specialized single-pass decoders.
  Base-64 decoding now outperforms dart:convert.
• Speed up toUtf8 using Uint8List buffer instead of plain List<int>.
  UTF-8 encoding now outperforms dart:convert.
• Speed up fromUtf8 with a dedicated byte-to-string decoder.
  UTF-8 decoding now matches closely with dart:convert.
• Refactor existing benchmarks and add missing ones. Dropping benchmark_harness
  dependency in favor of custom benchmarking class with better flexibility.

Full Changelog: v3.4.0...v3.5.0

• [Breaking Changes]
  • Removes encodeString, decodeString from IterableCodec.
• Renames internal abstract class HashlibConverter to CipherlibConverter.
• Fix CryptDataBuilder.param to throw an ArgumentError when the value is null, instead of a raw TypeError.
• Speed up Base-64 and Base-32 encoding with specialized single-pass encoders. Base-64 encoding now outperforms dart:convert.
• Speed up Base-64 and Base-32 decoding with specialized single-pass decoders. Base-64 decoding now outperforms dart:convert.
• Speed up toUtf8 using Uint8List buffer instead of plain List<int>. UTF-8 encoding now outperforms dart:convert.
• Speed up fromUtf8 with a dedicated byte-to-string decoder. UTF-8 decoding now matches closely with dart:convert.
• Refactor existing benchmarks and add missing ones. Dropping benchmark_harness dependency in favor of custom benchmarking class with better flexibility.

• Rename the package from hashlib_codecs to convertlib. The public API is
  unchanged: update the dependency to convertlib and imports to
  package:convertlib/convertlib.dart.
• The hashlib_codecs package continues to be published as a thin re-export of
  convertlib for backward compatibility, and will be discontinued after a
  migration period.

Full Changelog: v3.3.1...v3.4.0

• Rename the package from hashlib_codecs to convertlib. The public API is unchanged: update the dependency to convertlib and imports to package:convertlib/convertlib.dart.
• The hashlib_codecs package continues to be published as a thin re-export of convertlib for backward compatibility, and will be discontinued after a migration period.