Coverage Report

Created: 2024-11-21 07:03

/src/openssl/providers/implementations/ciphers/ciphercommon_gcm_hw.c
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Count
Source (jump to first uncovered line)
1
/*
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 * Copyright 2001-2021 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 "prov/ciphercommon.h"
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#include "prov/ciphercommon_gcm.h"
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int ossl_gcm_setiv(PROV_GCM_CTX *ctx, const unsigned char *iv, size_t ivlen)
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927
{
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927
    CRYPTO_gcm128_setiv(&ctx->gcm, iv, ivlen);
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927
    return 1;
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927
}
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int ossl_gcm_aad_update(PROV_GCM_CTX *ctx, const unsigned char *aad,
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                        size_t aad_len)
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19
{
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19
    return CRYPTO_gcm128_aad(&ctx->gcm, aad, aad_len) == 0;
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19
}
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int ossl_gcm_cipher_update(PROV_GCM_CTX *ctx, const unsigned char *in,
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                           size_t len, unsigned char *out)
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2.68k
{
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2.68k
    if (ctx->enc) {
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1.54k
        if (CRYPTO_gcm128_encrypt(&ctx->gcm, in, out, len))
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0
            return 0;
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1.54k
    } else {
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1.14k
        if (CRYPTO_gcm128_decrypt(&ctx->gcm, in, out, len))
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0
            return 0;
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1.14k
    }
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2.68k
    return 1;
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2.68k
}
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int ossl_gcm_cipher_final(PROV_GCM_CTX *ctx, unsigned char *tag)
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22
{
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22
    if (ctx->enc) {
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19
        CRYPTO_gcm128_tag(&ctx->gcm, tag, GCM_TAG_MAX_SIZE);
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19
        ctx->taglen = GCM_TAG_MAX_SIZE;
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19
    } else {
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3
        if (CRYPTO_gcm128_finish(&ctx->gcm, tag, ctx->taglen) != 0)
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3
            return 0;
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3
    }
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19
    return 1;
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22
}
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int ossl_gcm_one_shot(PROV_GCM_CTX *ctx, unsigned char *aad, size_t aad_len,
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                      const unsigned char *in, size_t in_len,
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                      unsigned char *out, unsigned char *tag, size_t tag_len)
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0
{
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0
    int ret = 0;
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    /* Use saved AAD */
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0
    if (!ctx->hw->aadupdate(ctx, aad, aad_len))
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0
        goto err;
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0
    if (!ctx->hw->cipherupdate(ctx, in, in_len, out))
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0
        goto err;
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0
    ctx->taglen = GCM_TAG_MAX_SIZE;
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0
    if (!ctx->hw->cipherfinal(ctx, tag))
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0
        goto err;
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0
    ret = 1;
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0
err:
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0
    return ret;
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0
}