Interoperability

Both SDKs implement the same byte contract; only the stream boundary is idiomatic to each language.

TypeScript

Core functions accept an Iterable<Uint8Array> or AsyncIterable<Uint8Array>. Counts, offsets, and sizes use bigint; Node path helpers live in masterseed/node.

Go

Core functions accept io.Reader/io.Writer. Counts, offsets, and sizes use uint64; CreateSeedFile and VerifySourceFile are in the root package.

Input chunk boundaries do not affect protocol blocks: each implementation accumulates exactly 256 KiB before hashing. A reader that returns short chunks is still valid if it eventually supplies the same bytes. Compare raw seed bytes and seed_hash, not hex formatting, to establish cross-language equality.