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| author | Wladimir J. van der Laan <laanwj@protonmail.com> | 2020-10-06 15:51:19 +0200 |
|---|---|---|
| committer | Wladimir J. van der Laan <laanwj@protonmail.com> | 2020-10-06 15:51:27 +0200 |
| commit | ebeb28ee0e25dfa8f66bf17ad548418840fd280d (patch) | |
| tree | 1e86ce24e7428a355668e7125174e58813c8f39a /bip-0155.mediawiki | |
| parent | cca9b983a164413f56624363b0b9d747d2b6755c (diff) | |
| parent | 6ef71b344c51aebe1dab5ac47f87d8f926462a65 (diff) | |
Merge #1002: BIP155: Mention SHA3-256 explicitly
6ef71b344c51aebe1dab5ac47f87d8f926462a65 BIP155: Small text improvements (Hennadii Stepanov)
562f1d71883d1daa0dd5f438d25986fb18465800 BIP155: Mention SHA3-256 explicitly (Hennadii Stepanov)
Pull request description:
It seems better to clarify that `CHECKSUM` in Tor onion v3 address uses SHA3-256 hash function.
ACKs for top commit:
vasild:
ACK 6ef71b344
laanwj:
ACK 6ef71b344c51aebe1dab5ac47f87d8f926462a65
Tree-SHA512: b88c7dfeeda2a99cfe1042c9f4e7cbeb6047882bf97ce9c1dd5e1f4a30203a9a03702638cc4b6c3b573f6c0a05b73a5ca43a77352a5ca24a32d19be129f8b317
Diffstat (limited to 'bip-0155.mediawiki')
| -rw-r--r-- | bip-0155.mediawiki | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/bip-0155.mediawiki b/bip-0155.mediawiki index f437043..71fe3cc 100644 --- a/bip-0155.mediawiki +++ b/bip-0155.mediawiki @@ -150,7 +150,7 @@ The reference implementation is available at (to be done) ==Appendix A: Tor v2 address encoding== -The new message introduces a separate network ID for <code>TORV2</code>. +The new message introduces a separate network ID for <code>TORV2</code>. Clients MUST send Tor hidden service addresses with this network ID, with the 80-bit hidden service ID in the address field. This is the same as the representation in the legacy <code>addr</code> message, minus the 6 byte prefix of the OnionCat wrapping. @@ -164,10 +164,11 @@ onion_address = base32(PUBKEY | CHECKSUM | VERSION) + ".onion" CHECKSUM = H(".onion checksum" | PUBKEY | VERSION)[:2] where: - - PUBKEY is the 32 bytes ed25519 master pubkey of the hidden service. - - VERSION is an one byte version field (default value '\x03') + - PUBKEY is the 32 bytes ed25519 master pubkey of the hidden service + - VERSION is a one byte version field (default value '\x03') - ".onion checksum" is a constant string - CHECKSUM is truncated to two bytes before inserting it in onion_address + - H() is the SHA3-256 cryptographic hash function </pre> Tor v3 addresses MUST be sent with the <code>TORV3</code> network ID, with the 32-byte PUBKEY part in the address field. As VERSION will always be '\x03' in the case of v3 addresses, this is enough to reconstruct the onion address. |