Coverage Report

Created: 2024-05-21 06:52

/src/openssl/providers/implementations/digests/blake2_prov.c
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/*
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 * Copyright 2019-2023 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 <openssl/crypto.h>
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#include <openssl/proverr.h>
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#include "prov/blake2.h"
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#include "prov/digestcommon.h"
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#include "prov/implementations.h"
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static int ossl_blake2s256_init(void *ctx)
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{
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    BLAKE2S_PARAM P;
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    ossl_blake2s_param_init(&P);
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    return ossl_blake2s_init((BLAKE2S_CTX *)ctx, &P);
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}
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static int ossl_blake2b512_init(void *ctx)
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{
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    struct blake2b_md_data_st *mdctx = ctx;
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    uint8_t digest_length = mdctx->params.digest_length;
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    ossl_blake2b_param_init(&mdctx->params);
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    if (digest_length != 0)
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        mdctx->params.digest_length = digest_length;
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    return ossl_blake2b_init(&mdctx->ctx, &mdctx->params);
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}
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/* ossl_blake2s256_functions */
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IMPLEMENT_digest_functions(blake2s256, BLAKE2S_CTX,
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                           BLAKE2S_BLOCKBYTES, BLAKE2S_DIGEST_LENGTH, 0,
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                           ossl_blake2s256_init, ossl_blake2s_update,
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                           ossl_blake2s_final)
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/* ossl_blake2b512_functions */
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static OSSL_FUNC_digest_init_fn blake2b512_internal_init;
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static OSSL_FUNC_digest_newctx_fn blake2b512_newctx;
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static OSSL_FUNC_digest_freectx_fn blake2b512_freectx;
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static OSSL_FUNC_digest_dupctx_fn blake2b512_dupctx;
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static OSSL_FUNC_digest_final_fn blake2b512_internal_final;
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static OSSL_FUNC_digest_get_params_fn blake2b512_get_params;
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static int blake2b512_internal_init(void *ctx, const OSSL_PARAM params[])
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0
{
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0
    return ossl_prov_is_running() && ossl_blake2b_set_ctx_params(ctx, params)
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        && ossl_blake2b512_init(ctx);
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}
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static void *blake2b512_newctx(void *prov_ctx)
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{
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    struct blake2b_md_data_st *ctx;
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    ctx = ossl_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) : NULL;
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    return ctx;
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}
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static void blake2b512_freectx(void *vctx)
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{
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    struct blake2b_md_data_st *ctx;
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    ctx = (struct blake2b_md_data_st *)vctx;
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    OPENSSL_clear_free(ctx, sizeof(*ctx));
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}
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static void *blake2b512_dupctx(void *ctx)
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{
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    struct blake2b_md_data_st *in, *ret;
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    in = (struct blake2b_md_data_st *)ctx;
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    ret = ossl_prov_is_running()? OPENSSL_malloc(sizeof(*ret)) : NULL;
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    if (ret != NULL)
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        *ret = *in;
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    return ret;
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}
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static int blake2b512_internal_final(void *ctx, unsigned char *out,
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                                     size_t *outl, size_t outsz)
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{
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    struct blake2b_md_data_st *b_ctx;
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    b_ctx = (struct blake2b_md_data_st *)ctx;
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    if (!ossl_prov_is_running())
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        return 0;
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    *outl = b_ctx->ctx.outlen;
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    if (outsz == 0)
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       return 1;
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    if (outsz < *outl) {
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        ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);
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        return 0;
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    }
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    return ossl_blake2b_final(out, ctx);
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}
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static int blake2b512_get_params(OSSL_PARAM params[])
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{
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    return ossl_digest_default_get_params(params, BLAKE2B_BLOCKBYTES, 64, 0);
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}
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const OSSL_DISPATCH ossl_blake2b512_functions[] = {
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    {OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))blake2b512_newctx},
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    {OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))ossl_blake2b_update},
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    {OSSL_FUNC_DIGEST_FINAL, (void (*)(void))blake2b512_internal_final},
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    {OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))blake2b512_freectx},
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    {OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))blake2b512_dupctx},
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    {OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))blake2b512_get_params},
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    {OSSL_FUNC_DIGEST_GETTABLE_PARAMS,
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     (void (*)(void))ossl_digest_default_gettable_params},
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    {OSSL_FUNC_DIGEST_INIT, (void (*)(void))blake2b512_internal_init},
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    {OSSL_FUNC_DIGEST_GETTABLE_CTX_PARAMS,
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     (void (*)(void))ossl_blake2b_gettable_ctx_params},
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    {OSSL_FUNC_DIGEST_SETTABLE_CTX_PARAMS,
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     (void (*)(void))ossl_blake2b_settable_ctx_params},
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    {OSSL_FUNC_DIGEST_GET_CTX_PARAMS,
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     (void (*)(void))ossl_blake2b_get_ctx_params},
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    {OSSL_FUNC_DIGEST_SET_CTX_PARAMS,
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     (void (*)(void))ossl_blake2b_set_ctx_params},
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    {0, NULL}
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};