2008-02-28 02:34:43 +01:00
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/*
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* EAP server/peer: EAP-GPSK shared routines
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* Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
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*
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2012-02-11 15:46:35 +01:00
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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2008-02-28 02:34:43 +01:00
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*/
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#ifndef EAP_GPSK_COMMON_H
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#define EAP_GPSK_COMMON_H
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#define EAP_GPSK_OPCODE_GPSK_1 1
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#define EAP_GPSK_OPCODE_GPSK_2 2
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#define EAP_GPSK_OPCODE_GPSK_3 3
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#define EAP_GPSK_OPCODE_GPSK_4 4
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#define EAP_GPSK_OPCODE_FAIL 5
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#define EAP_GPSK_OPCODE_PROTECTED_FAIL 6
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/* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */
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#define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001
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#define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002
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#define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003
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#define EAP_GPSK_RAND_LEN 32
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#define EAP_GPSK_MAX_SK_LEN 32
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#define EAP_GPSK_MAX_PK_LEN 32
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#define EAP_GPSK_MAX_MIC_LEN 32
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#define EAP_GPSK_VENDOR_IETF 0x00000000
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#define EAP_GPSK_CIPHER_RESERVED 0x000000
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#define EAP_GPSK_CIPHER_AES 0x000001
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#define EAP_GPSK_CIPHER_SHA256 0x000002
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#ifdef _MSC_VER
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#pragma pack(push, 1)
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#endif /* _MSC_VER */
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struct eap_gpsk_csuite {
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u8 vendor[4];
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u8 specifier[2];
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} STRUCT_PACKED;
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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int eap_gpsk_supported_ciphersuite(int vendor, int specifier);
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int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor,
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int specifier,
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const u8 *rand_client, const u8 *rand_server,
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const u8 *id_client, size_t id_client_len,
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const u8 *id_server, size_t id_server_len,
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u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len,
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u8 *pk, size_t *pk_len);
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size_t eap_gpsk_mic_len(int vendor, int specifier);
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int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor,
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int specifier, const u8 *data, size_t len, u8 *mic);
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#endif /* EAP_GPSK_COMMON_H */
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