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akwizgran created page: BSP

akwizgran
2015-03-18 10:36:20 +00:00
parent 3be5578df9
commit 327ac3bd51
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BTP.markdown

@@ -17,7 +17,7 @@ BTP uses the following cryptographic primitives:
All keys are key_len bytes and all nonces are nonce_len bytes. The output of MAC(k, m) is mac_len bytes, and the output of ENC(k, n, m) is auth_len bytes longer than m. For simplicity we require that mac_len == key_len.
> Implementation note: The previous version of BTP used HMAC-SHA-256 as the pseudo-random function and AES-256-GCM as the authenticated cipher. The next version will use BLAKE2s as the pseudo-random function and XSalsa20-Poly1305 as the authenticated cipher. In both cases, key_len == 32, mac_len == 32, nonce_len == 24, and auth_len == 16.
> Implementation note: The current version of BTP uses HMAC-SHA-256 as the pseudo-random function and AES-256-GCM as the authenticated cipher. The next version will use BLAKE2s as the pseudo-random function and XSalsa20-Poly1305 as the authenticated cipher. In both cases, key_len == 32, mac_len == 32, nonce_len == 24, and auth_len == 16.
### Initial state