xref: /isa-l_crypto/sha1_mb/sha1_mb.c (revision 8cb7fe780eac8ee5f1e0aa3ca37466e89c673ccd)

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  modification, are permitted provided that the following conditions
  are met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
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      notice, this list of conditions and the following disclaimer in
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      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

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  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#include "sha1_mb.h"
#include "sha1_mb_internal.h"
#include "isal_crypto_api.h"
#include "multi_buffer.h"

int
isal_sha1_ctx_mgr_init(ISAL_SHA1_HASH_CTX_MGR *mgr)
{
#ifdef SAFE_PARAM
        if (mgr == NULL)
                return ISAL_CRYPTO_ERR_NULL_MGR;
#endif

#ifdef FIPS_MODE
        if (isal_self_tests())
                return ISAL_CRYPTO_ERR_SELF_TEST;
#endif

        _sha1_ctx_mgr_init(mgr);

        return 0;
}

int
isal_sha1_ctx_mgr_submit(ISAL_SHA1_HASH_CTX_MGR *mgr, ISAL_SHA1_HASH_CTX *ctx_in,
                         ISAL_SHA1_HASH_CTX **ctx_out, const void *buffer, const uint32_t len,
                         const ISAL_HASH_CTX_FLAG flags)
{
#ifdef SAFE_PARAM
        if (mgr == NULL)
                return ISAL_CRYPTO_ERR_NULL_MGR;
        if (ctx_in == NULL || ctx_out == NULL)
                return ISAL_CRYPTO_ERR_NULL_CTX;
        /* OK to have NULL source buffer when flags is ISAL_HASH_FIRST or ISAL_HASH_LAST */
        if (buffer == NULL && (flags == ISAL_HASH_UPDATE || flags == ISAL_HASH_ENTIRE))
                return ISAL_CRYPTO_ERR_NULL_SRC;
#endif

#ifdef FIPS_MODE
        if (isal_self_tests())
                return ISAL_CRYPTO_ERR_SELF_TEST;
#endif

        *ctx_out = _sha1_ctx_mgr_submit(mgr, ctx_in, buffer, len, flags);

#ifdef SAFE_PARAM
        if (*ctx_out != NULL &&
            (ISAL_SHA1_HASH_CTX *) (*ctx_out)->error != ISAL_HASH_CTX_ERROR_NONE) {
                ISAL_SHA1_HASH_CTX *cp = (ISAL_SHA1_HASH_CTX *) (*ctx_out);

                if (cp->error == ISAL_HASH_CTX_ERROR_INVALID_FLAGS)
                        return ISAL_CRYPTO_ERR_INVALID_FLAGS;
                if (cp->error == ISAL_HASH_CTX_ERROR_ALREADY_PROCESSING)
                        return ISAL_CRYPTO_ERR_ALREADY_PROCESSING;
                if (cp->error == ISAL_HASH_CTX_ERROR_ALREADY_COMPLETED)
                        return ISAL_CRYPTO_ERR_ALREADY_COMPLETED;
        }
#endif
        return 0;
}

int
isal_sha1_ctx_mgr_flush(ISAL_SHA1_HASH_CTX_MGR *mgr, ISAL_SHA1_HASH_CTX **ctx_out)
{
#ifdef SAFE_PARAM
        if (mgr == NULL)
                return ISAL_CRYPTO_ERR_NULL_MGR;
        if (ctx_out == NULL)
                return ISAL_CRYPTO_ERR_NULL_CTX;
#endif

#ifdef FIPS_MODE
        if (isal_self_tests())
                return ISAL_CRYPTO_ERR_SELF_TEST;
#endif

        *ctx_out = _sha1_ctx_mgr_flush(mgr);

        return 0;
}

/*
 * =============================================================================
 * LEGACY / DEPRECATED API
 * =============================================================================
 */

void
sha1_ctx_mgr_init(ISAL_SHA1_HASH_CTX_MGR *mgr)
{
        _sha1_ctx_mgr_init(mgr);
}

ISAL_SHA1_HASH_CTX *
sha1_ctx_mgr_submit(ISAL_SHA1_HASH_CTX_MGR *mgr, ISAL_SHA1_HASH_CTX *ctx, const void *buffer,
                    uint32_t len, ISAL_HASH_CTX_FLAG flags)
{
        return _sha1_ctx_mgr_submit(mgr, ctx, buffer, len, flags);
}

ISAL_SHA1_HASH_CTX *
sha1_ctx_mgr_flush(ISAL_SHA1_HASH_CTX_MGR *mgr)
{
        return _sha1_ctx_mgr_flush(mgr);
}