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Remove statement about replay attacks #45

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Remove statement about replay attacks #45

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4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -28,7 +28,7 @@ npm run make-dist
## Advantages over other authentication mechanisms

* By signing each request, man in the middle attacks are impossible.
* A nonce is part of the data signed, which prevents replay attacks.
* ~~A nonce is part of the data signed, which prevents replay attacks.~~ **edit:** the nonce is no longer part of th latest protocol, and replay attacks are not in the scope of problems solved by BitAuth.
* The cryptography in Bitcoin is rock solid and is securing billions
of dollars worth of bitcoins.
* It uses elliptic curve cryptography which performs much better than RSA.
Expand All @@ -42,7 +42,7 @@ using elliptic curve secp256k1. The public SIN (System identification number),
like a bitcoin address, is the RIPEMD 160, SHA256 hash of the public key.
See https://en.bitcoin.it/wiki/Identity_protocol_v1 for complete details.

In each request, the client includes a nonce to prevent replay attacks. The client
In each request, the client includes a nonce ~~to prevent replay attacks~~ (**edit:** see above). The client
signs the full url with the request body concatenated if there is one. The signature
is included in the `x-signature` header and the public key is included in the
`x-identity` header.
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