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crypto: Update comment
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src/crypto.c
11
src/crypto.c
@ -115,6 +115,17 @@ int crypto_psk_from_passphrase(const char *passphrase,
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* 802.11, Section 11.6.6.7:
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* PTK = PRF-X(PMK, "Pairwise key expansion", Min(AA, SA) || Max(AA, SA) ||
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* Min(ANonce, SNonce) || Max(ANonce, SNonce))
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*
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* 802.11, Section 11.6.1.3:
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* The PTK shall be derived from the PMK by
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* PTK ← PRF-X(PMK, “Pairwise key expansion”, Min(AA,SPA) || Max(AA,SPA) ||
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* Min(ANonce,SNonce) || Max(ANonce,SNonce))
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* where X = 256 + TK_bits. The value of TK_bits is cipher-suite dependent and
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* is defined in Table 11-4. The Min and Max operations for IEEE 802 addresses
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* are with the address converted to a positive integer treating the first
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* transmitted octet as the most significant octet of the integer. The Min and
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* Max operations for nonces are with the nonces treated as positive integers
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* converted as specified in 8.2.2.
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*/
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bool crypto_derive_ptk(uint8_t *pmk, size_t pmk_len, const char *label,
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uint8_t *addr1, uint8_t *addr2,
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