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116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
/* kdf.h
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*
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* Copyright (C) 2006-2022 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/*!
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\file wolfssl/wolfcrypt/kdf.h
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*/
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#ifndef NO_KDF
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#ifndef WOLF_CRYPT_KDF_H
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#define WOLF_CRYPT_KDF_H
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#if defined(HAVE_FIPS) && \
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defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 5)
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#include <libs/libwolfssl/wolfcrypt/fips.h>
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#endif
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#include <libs/libwolfssl/wolfcrypt/hmac.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum max_prf {
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#ifdef HAVE_FFDHE_8192
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MAX_PRF_HALF = 516, /* Maximum half secret len */
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#elif defined(HAVE_FFDHE_6144)
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MAX_PRF_HALF = 388, /* Maximum half secret len */
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#else
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MAX_PRF_HALF = 260, /* Maximum half secret len */
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#endif
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MAX_PRF_LABSEED = 128, /* Maximum label + seed len */
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MAX_PRF_DIG = 224 /* Maximum digest len */
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};
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#ifdef WOLFSSL_HAVE_PRF
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WOLFSSL_API int wc_PRF(byte* result, word32 resLen, const byte* secret,
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word32 secLen, const byte* seed, word32 seedLen, int hash,
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void* heap, int devId);
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WOLFSSL_API int wc_PRF_TLSv1(byte* digest, word32 digLen, const byte* secret,
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word32 secLen, const byte* label, word32 labLen,
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const byte* seed, word32 seedLen, void* heap, int devId);
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WOLFSSL_API int wc_PRF_TLS(byte* digest, word32 digLen, const byte* secret,
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word32 secLen, const byte* label, word32 labLen,
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const byte* seed, word32 seedLen, int useAtLeastSha256,
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int hash_type, void* heap, int devId);
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#endif /* WOLFSSL_HAVE_PRF */
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#ifdef HAVE_HKDF
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enum {
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/*
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MAX_HKDF_LABEL_SZ = OPAQUE16_LEN +
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OPAQUE8_LEN + PROTOCOL_LABEL_SZ + MAX_LABEL_SZ +
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OPAQUE8_LEN + WC_MAX_DIGEST_SIZE
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*/
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MAX_TLS13_HKDF_LABEL_SZ = 47 + WC_MAX_DIGEST_SIZE
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};
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WOLFSSL_API int wc_Tls13_HKDF_Extract(byte* prk, const byte* salt, int saltLen,
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byte* ikm, int ikmLen, int digest);
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WOLFSSL_API int wc_Tls13_HKDF_Expand_Label(byte* okm, word32 okmLen,
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const byte* prk, word32 prkLen,
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const byte* protocol, word32 protocolLen,
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const byte* label, word32 labelLen,
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const byte* info, word32 infoLen,
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int digest);
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#if defined(WOLFSSL_TICKET_NONCE_MALLOC) && \
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(!defined(HAVE_FIPS) || (defined(FIPS_VERSION_GE) && FIPS_VERSION_GE(5,3)))
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WOLFSSL_API int wc_Tls13_HKDF_Expand_Label_Alloc(byte* okm, word32 okmLen,
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const byte* prk, word32 prkLen, const byte* protocol, word32 protocolLen,
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const byte* label, word32 labelLen, const byte* info, word32 infoLen,
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int digest, void* heap);
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#endif /* !defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3) */
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#endif /* HAVE_HKDF */
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#ifdef WOLFSSL_WOLFSSH
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WOLFSSL_API int wc_SSH_KDF(byte hashId, byte keyId,
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byte* key, word32 keySz,
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const byte* k, word32 kSz,
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const byte* h, word32 hSz,
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const byte* sessionId, word32 sessionIdSz);
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#endif /* WOLFSSL_WOLFSSH */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WOLF_CRYPT_KDF_H */
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#endif /* NO_KDF */
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