| 1 | /*
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| 2 | * Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include "crypto/evp.h"
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| 11 | #include "prov/blake2.h" /* diverse BLAKE2 macros */
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| 12 | #include "legacy_meth.h"
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| 13 |
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| 14 | // #ifdef OPENSSL_MANGLER /* VBOX */
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| 15 | // # undef ossl_blake2b_init /* VBOX */
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| 16 | // # undef ossl_blake2s_init /* VBOX */
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| 17 | // # define ossl_blake2b_init OPENSSL_MANGLER(ossl_blake2b_init) /* VBOX */
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| 18 | // # define ossl_blake2s_init OPENSSL_MANGLER(ossl_blake2s_init) /* VBOX */
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| 19 | // #endif /* VBOX */
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| 20 |
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| 21 | /*
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| 22 | * Local hack to adapt the BLAKE2 init functions to what the
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| 23 | * legacy function signatures demand.
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| 24 | */
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| 25 | static int blake2s_init(BLAKE2S_CTX *C)
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| 26 | {
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| 27 | BLAKE2S_PARAM P;
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| 28 |
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| 29 | ossl_blake2s_param_init(&P);
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| 30 | return ossl_blake2s_init(C, &P);
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| 31 | }
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| 32 | static int blake2b_init(BLAKE2B_CTX *C)
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| 33 | {
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| 34 | BLAKE2B_PARAM P;
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| 35 |
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| 36 | ossl_blake2b_param_init(&P);
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| 37 | return ossl_blake2b_init(C, &P);
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| 38 | }
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| 39 | #define blake2s_update ossl_blake2s_update
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| 40 | #define blake2b_update ossl_blake2b_update
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| 41 | #define blake2s_final ossl_blake2s_final
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| 42 | #define blake2b_final ossl_blake2b_final
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| 43 |
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| 44 | IMPLEMENT_LEGACY_EVP_MD_METH_LC(blake2s_int, blake2s)
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| 45 | IMPLEMENT_LEGACY_EVP_MD_METH_LC(blake2b_int, blake2b)
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| 46 |
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| 47 | static const EVP_MD blake2b_md = {
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| 48 | NID_blake2b512,
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| 49 | 0,
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| 50 | BLAKE2B_DIGEST_LENGTH,
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| 51 | 0,
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| 52 | EVP_ORIG_GLOBAL,
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| 53 | LEGACY_EVP_MD_METH_TABLE(blake2b_int_init, blake2b_int_update,
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| 54 | blake2b_int_final, NULL, BLAKE2B_BLOCKBYTES),
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| 55 | };
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| 56 |
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| 57 | const EVP_MD *EVP_blake2b512(void)
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| 58 | {
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| 59 | return &blake2b_md;
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| 60 | }
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| 61 |
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| 62 | static const EVP_MD blake2s_md = {
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| 63 | NID_blake2s256,
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| 64 | 0,
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| 65 | BLAKE2S_DIGEST_LENGTH,
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| 66 | 0,
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| 67 | EVP_ORIG_GLOBAL,
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| 68 | LEGACY_EVP_MD_METH_TABLE(blake2s_int_init, blake2s_int_update,
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| 69 | blake2s_int_final, NULL, BLAKE2S_BLOCKBYTES),
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| 70 | };
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| 71 |
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| 72 | const EVP_MD *EVP_blake2s256(void)
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| 73 | {
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| 74 | return &blake2s_md;
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| 75 | }
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