nostr/nips
1
0
Fork 0
mirror of https://github.com/nostr-protocol/nips.git synced 2024-12-22 00:25:50 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Clarify the units

Browse Source
This commit is contained in:
小原晴太 2024-12-06 11:26:23 +00:00 committed by fiatjaf_
parent 6d16019e9e
commit a92d2e2edd
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
44.md
View File

@ -86,7 +86,7 @@ NIP-44 version 2 has the following design characteristics:
- Content must be encoded from UTF-8 into byte array - Content must be encoded from UTF-8 into byte array
- Validate plaintext length. Minimum is 1 byte, maximum is 65535 bytes - Validate plaintext length. Minimum is 1 byte, maximum is 65535 bytes
- Padding format is: `[plaintext_length: u16][plaintext][zero_bytes]` - Padding format is: `[plaintext_length: u16][plaintext][zero_bytes]`
- Padding algorithm is related to powers-of-two, with min padded msg size of 32 - Padding algorithm is related to powers-of-two, with min padded msg size of 32bytes
- Plaintext length is encoded in big-endian as first 2 bytes of the padded blob - Plaintext length is encoded in big-endian as first 2 bytes of the padded blob
5. Encrypt padded content 5. Encrypt padded content
- Use ChaCha20, with key and nonce from step 3 - Use ChaCha20, with key and nonce from step 3
@ -148,8 +148,8 @@ validation rules, refer to BIP-340.
- `x[i:j]`, where `x` is a byte array and `i, j <= 0` returns a `(j - i)`-byte array with a copy of the - `x[i:j]`, where `x` is a byte array and `i, j <= 0` returns a `(j - i)`-byte array with a copy of the
`i`-th byte (inclusive) to the `j`-th byte (exclusive) of `x`. `i`-th byte (inclusive) to the `j`-th byte (exclusive) of `x`.
- Constants `c`: - Constants `c`:
- `min_plaintext_size` is 1. 1b msg is padded to 32b. - `min_plaintext_size` is 1. 1bytes msg is padded to 32bytes.
- `max_plaintext_size` is 65535 (64kb - 1). It is padded to 65536. - `max_plaintext_size` is 65535 (64kB - 1). It is padded to 65536bytes.
- Functions - Functions
- `base64_encode(string)` and `base64_decode(bytes)` are Base64 ([RFC 4648](https://datatracker.ietf.org/doc/html/rfc4648), with padding) - `base64_encode(string)` and `base64_decode(bytes)` are Base64 ([RFC 4648](https://datatracker.ietf.org/doc/html/rfc4648), with padding)
- `concat` refers to byte array concatenation - `concat` refers to byte array concatenation