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→Key derivation
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== Key derivation == | == Key derivation == | ||
The encryption key T(1) and the HMAC key T(2) will be derived from | The encryption key T(1) and the HMAC key T(2) will be derived from J-PAKE's strong secret K as follows: | ||
key_string = HMAC-SHA256(K, "Sync-AES_256_CBC-HMAC256") | key_string = HMAC-SHA256(K, "Sync-AES_256_CBC-HMAC256") | ||