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32 lines
1.3 KiB
C
32 lines
1.3 KiB
C
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/*
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* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "crypto/types.h"
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#ifndef OPENSSL_NO_EC
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/* RFC 9180 Labels used for Extract and Expand operations */
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/* ASCII: "eae_prk", in hex for EBCDIC compatibility */
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#define OSSL_DHKEM_LABEL_EAE_PRK "\x65\x61\x65\x5F\x70\x72\x6B"
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/* ASCII: "shared_secret", in hex for EBCDIC compatibility */
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#define OSSL_DHKEM_LABEL_SHARED_SECRET "\x73\x68\x61\x72\x65\x64\x5F\x73\x65\x63\x72\x65\x74"
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/* ASCII: "dkp_prk", in hex for EBCDIC compatibility */
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#define OSSL_DHKEM_LABEL_DKP_PRK "\x64\x6B\x70\x5F\x70\x72\x6B"
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/* ASCII: "candidate", in hex for EBCDIC compatibility */
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#define OSSL_DHKEM_LABEL_CANDIDATE "\x63\x61\x6E\x64\x69\x64\x61\x74\x65"
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/* ASCII: "sk", in hex for EBCDIC compatibility */
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#define OSSL_DHKEM_LABEL_SK "\x73\x6B"
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int ossl_ecx_dhkem_derive_private(ECX_KEY *ecx, unsigned char *privout,
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const unsigned char *ikm, size_t ikmlen);
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int ossl_ec_dhkem_derive_private(EC_KEY *ec, BIGNUM *privout,
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const unsigned char *ikm, size_t ikmlen);
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#endif
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