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573dc23141
And use it in the non-PSA version of mbedtls_pk_sign_ext() to bypass checks that didn't succeed when used by TLS 1.3. That is because in the failing scenarios the padding of the RSA context is not set to PKCS_V21. See the discussion on PR #7930 for more details. Signed-off-by: Tomi Fontanilles <129057597+tomi-font@users.noreply.github.com>
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/**
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* \file rsa_internal.h
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*
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* \brief Internal-only RSA public-key cryptosystem API.
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*
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* This file declares RSA-related functions that are to be used
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* only from within the Mbed TLS library itself.
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*
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#ifndef MBEDTLS_RSA_INTERNAL_H
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#define MBEDTLS_RSA_INTERNAL_H
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#include "mbedtls/rsa.h"
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#if defined(MBEDTLS_PKCS1_V21)
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/**
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* \brief This function is analogue to \c mbedtls_rsa_rsassa_pss_sign().
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* The only difference between them is that this function is more flexible
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* on the parameters of \p ctx that are set with \c mbedtls_rsa_set_padding().
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*
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* \note Compared to its counterpart, this function:
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* - does not check the padding setting of \p ctx.
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* - allows the hash_id of \p ctx to be MBEDTLS_MD_NONE,
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* in which case it uses \p md_alg as the hash_id.
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*
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* \note Refer to \c mbedtls_rsa_rsassa_pss_sign() for a description
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* of the functioning and parameters of this function.
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*/
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int mbedtls_rsa_rsassa_pss_sign_no_mode_check(mbedtls_rsa_context *ctx,
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int (*f_rng)(void *, unsigned char *, size_t),
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void *p_rng,
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mbedtls_md_type_t md_alg,
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unsigned int hashlen,
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const unsigned char *hash,
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unsigned char *sig);
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#endif /* MBEDTLS_PKCS1_V21 */
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#endif /* rsa_internal.h */
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