Removed old mbedtls, replacing with submodule.

1 files changed, 0 insertions, 642 deletions

diff --git a/lib/mbedtls-2.27.0/library/pk.c b/lib/mbedtls-2.27.0/library/pk.c
deleted file mode 100644
index 05cc213..0000000
--- a/lib/mbedtls-2.27.0/library/pk.c
+++ /dev/null
@@ -1,642 +0,0 @@
-/*
- *  Public Key abstraction layer
- *
- *  Copyright The Mbed TLS Contributors
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-#include "common.h"
-
-#if defined(MBEDTLS_PK_C)
-#include "mbedtls/pk.h"
-#include "mbedtls/pk_internal.h"
-
-#include "mbedtls/platform_util.h"
-#include "mbedtls/error.h"
-
-#if defined(MBEDTLS_RSA_C)
-#include "mbedtls/rsa.h"
-#endif
-#if defined(MBEDTLS_ECP_C)
-#include "mbedtls/ecp.h"
-#endif
-#if defined(MBEDTLS_ECDSA_C)
-#include "mbedtls/ecdsa.h"
-#endif
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#include "mbedtls/psa_util.h"
-#endif
-
-#include <limits.h>
-#include <stdint.h>
-
-/* Parameter validation macros based on platform_util.h */
-#define PK_VALIDATE_RET( cond )    \
-    MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_PK_BAD_INPUT_DATA )
-#define PK_VALIDATE( cond )        \
-    MBEDTLS_INTERNAL_VALIDATE( cond )
-
-/*
- * Initialise a mbedtls_pk_context
- */
-void mbedtls_pk_init( mbedtls_pk_context *ctx )
-{
-    PK_VALIDATE( ctx != NULL );
-
-    ctx->pk_info = NULL;
-    ctx->pk_ctx = NULL;
-}
-
-/*
- * Free (the components of) a mbedtls_pk_context
- */
-void mbedtls_pk_free( mbedtls_pk_context *ctx )
-{
-    if( ctx == NULL )
-        return;
-
-    if ( ctx->pk_info != NULL )
-        ctx->pk_info->ctx_free_func( ctx->pk_ctx );
-
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_pk_context ) );
-}
-
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-/*
- * Initialize a restart context
- */
-void mbedtls_pk_restart_init( mbedtls_pk_restart_ctx *ctx )
-{
-    PK_VALIDATE( ctx != NULL );
-    ctx->pk_info = NULL;
-    ctx->rs_ctx = NULL;
-}
-
-/*
- * Free the components of a restart context
- */
-void mbedtls_pk_restart_free( mbedtls_pk_restart_ctx *ctx )
-{
-    if( ctx == NULL || ctx->pk_info == NULL ||
-        ctx->pk_info->rs_free_func == NULL )
-    {
-        return;
-    }
-
-    ctx->pk_info->rs_free_func( ctx->rs_ctx );
-
-    ctx->pk_info = NULL;
-    ctx->rs_ctx = NULL;
-}
-#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
-
-/*
- * Get pk_info structure from type
- */
-const mbedtls_pk_info_t * mbedtls_pk_info_from_type( mbedtls_pk_type_t pk_type )
-{
-    switch( pk_type ) {
-#if defined(MBEDTLS_RSA_C)
-        case MBEDTLS_PK_RSA:
-            return( &mbedtls_rsa_info );
-#endif
-#if defined(MBEDTLS_ECP_C)
-        case MBEDTLS_PK_ECKEY:
-            return( &mbedtls_eckey_info );
-        case MBEDTLS_PK_ECKEY_DH:
-            return( &mbedtls_eckeydh_info );
-#endif
-#if defined(MBEDTLS_ECDSA_C)
-        case MBEDTLS_PK_ECDSA:
-            return( &mbedtls_ecdsa_info );
-#endif
-        /* MBEDTLS_PK_RSA_ALT omitted on purpose */
-        default:
-            return( NULL );
-    }
-}
-
-/*
- * Initialise context
- */
-int mbedtls_pk_setup( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info )
-{
-    PK_VALIDATE_RET( ctx != NULL );
-    if( info == NULL || ctx->pk_info != NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
-        return( MBEDTLS_ERR_PK_ALLOC_FAILED );
-
-    ctx->pk_info = info;
-
-    return( 0 );
-}
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-/*
- * Initialise a PSA-wrapping context
- */
-int mbedtls_pk_setup_opaque( mbedtls_pk_context *ctx,
-                             const psa_key_id_t key )
-{
-    const mbedtls_pk_info_t * const info = &mbedtls_pk_opaque_info;
-    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
-    psa_key_id_t *pk_ctx;
-    psa_key_type_t type;
-
-    if( ctx == NULL || ctx->pk_info != NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( PSA_SUCCESS != psa_get_key_attributes( key, &attributes ) )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-    type = psa_get_key_type( &attributes );
-    psa_reset_key_attributes( &attributes );
-
-    /* Current implementation of can_do() relies on this. */
-    if( ! PSA_KEY_TYPE_IS_ECC_KEY_PAIR( type ) )
-        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE) ;
-
-    if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
-        return( MBEDTLS_ERR_PK_ALLOC_FAILED );
-
-    ctx->pk_info = info;
-
-    pk_ctx = (psa_key_id_t *) ctx->pk_ctx;
-    *pk_ctx = key;
-
-    return( 0 );
-}
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-
-#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
-/*
- * Initialize an RSA-alt context
- */
-int mbedtls_pk_setup_rsa_alt( mbedtls_pk_context *ctx, void * key,
-                         mbedtls_pk_rsa_alt_decrypt_func decrypt_func,
-                         mbedtls_pk_rsa_alt_sign_func sign_func,
-                         mbedtls_pk_rsa_alt_key_len_func key_len_func )
-{
-    mbedtls_rsa_alt_context *rsa_alt;
-    const mbedtls_pk_info_t *info = &mbedtls_rsa_alt_info;
-
-    PK_VALIDATE_RET( ctx != NULL );
-    if( ctx->pk_info != NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
-        return( MBEDTLS_ERR_PK_ALLOC_FAILED );
-
-    ctx->pk_info = info;
-
-    rsa_alt = (mbedtls_rsa_alt_context *) ctx->pk_ctx;
-
-    rsa_alt->key = key;
-    rsa_alt->decrypt_func = decrypt_func;
-    rsa_alt->sign_func = sign_func;
-    rsa_alt->key_len_func = key_len_func;
-
-    return( 0 );
-}
-#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
-
-/*
- * Tell if a PK can do the operations of the given type
- */
-int mbedtls_pk_can_do( const mbedtls_pk_context *ctx, mbedtls_pk_type_t type )
-{
-    /* A context with null pk_info is not set up yet and can't do anything.
-     * For backward compatibility, also accept NULL instead of a context
-     * pointer. */
-    if( ctx == NULL || ctx->pk_info == NULL )
-        return( 0 );
-
-    return( ctx->pk_info->can_do( type ) );
-}
-
-/*
- * Helper for mbedtls_pk_sign and mbedtls_pk_verify
- */
-static inline int pk_hashlen_helper( mbedtls_md_type_t md_alg, size_t *hash_len )
-{
-    const mbedtls_md_info_t *md_info;
-
-    if( *hash_len != 0 && md_alg == MBEDTLS_MD_NONE )
-        return( 0 );
-
-    if( ( md_info = mbedtls_md_info_from_type( md_alg ) ) == NULL )
-        return( -1 );
-
-    if ( *hash_len != 0 && *hash_len != mbedtls_md_get_size( md_info ) )
-        return ( -1 );
-
-    *hash_len = mbedtls_md_get_size( md_info );
-    return( 0 );
-}
-
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-/*
- * Helper to set up a restart context if needed
- */
-static int pk_restart_setup( mbedtls_pk_restart_ctx *ctx,
-                             const mbedtls_pk_info_t *info )
-{
-    /* Don't do anything if already set up or invalid */
-    if( ctx == NULL || ctx->pk_info != NULL )
-        return( 0 );
-
-    /* Should never happen when we're called */
-    if( info->rs_alloc_func == NULL || info->rs_free_func == NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( ( ctx->rs_ctx = info->rs_alloc_func() ) == NULL )
-        return( MBEDTLS_ERR_PK_ALLOC_FAILED );
-
-    ctx->pk_info = info;
-
-    return( 0 );
-}
-#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
-
-/*
- * Verify a signature (restartable)
- */
-int mbedtls_pk_verify_restartable( mbedtls_pk_context *ctx,
-               mbedtls_md_type_t md_alg,
-               const unsigned char *hash, size_t hash_len,
-               const unsigned char *sig, size_t sig_len,
-               mbedtls_pk_restart_ctx *rs_ctx )
-{
-    PK_VALIDATE_RET( ctx != NULL );
-    PK_VALIDATE_RET( ( md_alg == MBEDTLS_MD_NONE && hash_len == 0 ) ||
-                     hash != NULL );
-    PK_VALIDATE_RET( sig != NULL );
-
-    if( ctx->pk_info == NULL ||
-        pk_hashlen_helper( md_alg, &hash_len ) != 0 )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    /* optimization: use non-restartable version if restart disabled */
-    if( rs_ctx != NULL &&
-        mbedtls_ecp_restart_is_enabled() &&
-        ctx->pk_info->verify_rs_func != NULL )
-    {
-        int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
-        if( ( ret = pk_restart_setup( rs_ctx, ctx->pk_info ) ) != 0 )
-            return( ret );
-
-        ret = ctx->pk_info->verify_rs_func( ctx->pk_ctx,
-                   md_alg, hash, hash_len, sig, sig_len, rs_ctx->rs_ctx );
-
-        if( ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
-            mbedtls_pk_restart_free( rs_ctx );
-
-        return( ret );
-    }
-#else /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
-    (void) rs_ctx;
-#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
-
-    if( ctx->pk_info->verify_func == NULL )
-        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-
-    return( ctx->pk_info->verify_func( ctx->pk_ctx, md_alg, hash, hash_len,
-                                       sig, sig_len ) );
-}
-
-/*
- * Verify a signature
- */
-int mbedtls_pk_verify( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
-               const unsigned char *hash, size_t hash_len,
-               const unsigned char *sig, size_t sig_len )
-{
-    return( mbedtls_pk_verify_restartable( ctx, md_alg, hash, hash_len,
-                                           sig, sig_len, NULL ) );
-}
-
-/*
- * Verify a signature with options
- */
-int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options,
-                   mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   const unsigned char *sig, size_t sig_len )
-{
-    PK_VALIDATE_RET( ctx != NULL );
-    PK_VALIDATE_RET( ( md_alg == MBEDTLS_MD_NONE && hash_len == 0 ) ||
-                     hash != NULL );
-    PK_VALIDATE_RET( sig != NULL );
-
-    if( ctx->pk_info == NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( ! mbedtls_pk_can_do( ctx, type ) )
-        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-
-    if( type == MBEDTLS_PK_RSASSA_PSS )
-    {
-#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PKCS1_V21)
-        int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-        const mbedtls_pk_rsassa_pss_options *pss_opts;
-
-#if SIZE_MAX > UINT_MAX
-        if( md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len )
-            return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-#endif /* SIZE_MAX > UINT_MAX */
-
-        if( options == NULL )
-            return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-        pss_opts = (const mbedtls_pk_rsassa_pss_options *) options;
-
-        if( sig_len < mbedtls_pk_get_len( ctx ) )
-            return( MBEDTLS_ERR_RSA_VERIFY_FAILED );
-
-        ret = mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_pk_rsa( *ctx ),
-                NULL, NULL, MBEDTLS_RSA_PUBLIC,
-                md_alg, (unsigned int) hash_len, hash,
-                pss_opts->mgf1_hash_id,
-                pss_opts->expected_salt_len,
-                sig );
-        if( ret != 0 )
-            return( ret );
-
-        if( sig_len > mbedtls_pk_get_len( ctx ) )
-            return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
-
-        return( 0 );
-#else
-        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
-#endif /* MBEDTLS_RSA_C && MBEDTLS_PKCS1_V21 */
-    }
-
-    /* General case: no options */
-    if( options != NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    return( mbedtls_pk_verify( ctx, md_alg, hash, hash_len, sig, sig_len ) );
-}
-
-/*
- * Make a signature (restartable)
- */
-int mbedtls_pk_sign_restartable( mbedtls_pk_context *ctx,
-             mbedtls_md_type_t md_alg,
-             const unsigned char *hash, size_t hash_len,
-             unsigned char *sig, size_t *sig_len,
-             int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
-             mbedtls_pk_restart_ctx *rs_ctx )
-{
-    PK_VALIDATE_RET( ctx != NULL );
-    PK_VALIDATE_RET( ( md_alg == MBEDTLS_MD_NONE && hash_len == 0 ) ||
-                     hash != NULL );
-    PK_VALIDATE_RET( sig != NULL );
-
-    if( ctx->pk_info == NULL ||
-        pk_hashlen_helper( md_alg, &hash_len ) != 0 )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    /* optimization: use non-restartable version if restart disabled */
-    if( rs_ctx != NULL &&
-        mbedtls_ecp_restart_is_enabled() &&
-        ctx->pk_info->sign_rs_func != NULL )
-    {
-        int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
-        if( ( ret = pk_restart_setup( rs_ctx, ctx->pk_info ) ) != 0 )
-            return( ret );
-
-        ret = ctx->pk_info->sign_rs_func( ctx->pk_ctx, md_alg,
-                hash, hash_len, sig, sig_len, f_rng, p_rng, rs_ctx->rs_ctx );
-
-        if( ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
-            mbedtls_pk_restart_free( rs_ctx );
-
-        return( ret );
-    }
-#else /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
-    (void) rs_ctx;
-#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
-
-    if( ctx->pk_info->sign_func == NULL )
-        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-
-    return( ctx->pk_info->sign_func( ctx->pk_ctx, md_alg, hash, hash_len,
-                                     sig, sig_len, f_rng, p_rng ) );
-}
-
-/*
- * Make a signature
- */
-int mbedtls_pk_sign( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
-             const unsigned char *hash, size_t hash_len,
-             unsigned char *sig, size_t *sig_len,
-             int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    return( mbedtls_pk_sign_restartable( ctx, md_alg, hash, hash_len,
-                                         sig, sig_len, f_rng, p_rng, NULL ) );
-}
-
-/*
- * Decrypt message
- */
-int mbedtls_pk_decrypt( mbedtls_pk_context *ctx,
-                const unsigned char *input, size_t ilen,
-                unsigned char *output, size_t *olen, size_t osize,
-                int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    PK_VALIDATE_RET( ctx != NULL );
-    PK_VALIDATE_RET( input != NULL || ilen == 0 );
-    PK_VALIDATE_RET( output != NULL || osize == 0 );
-    PK_VALIDATE_RET( olen != NULL );
-
-    if( ctx->pk_info == NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( ctx->pk_info->decrypt_func == NULL )
-        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-
-    return( ctx->pk_info->decrypt_func( ctx->pk_ctx, input, ilen,
-                output, olen, osize, f_rng, p_rng ) );
-}
-
-/*
- * Encrypt message
- */
-int mbedtls_pk_encrypt( mbedtls_pk_context *ctx,
-                const unsigned char *input, size_t ilen,
-                unsigned char *output, size_t *olen, size_t osize,
-                int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    PK_VALIDATE_RET( ctx != NULL );
-    PK_VALIDATE_RET( input != NULL || ilen == 0 );
-    PK_VALIDATE_RET( output != NULL || osize == 0 );
-    PK_VALIDATE_RET( olen != NULL );
-
-    if( ctx->pk_info == NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( ctx->pk_info->encrypt_func == NULL )
-        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-
-    return( ctx->pk_info->encrypt_func( ctx->pk_ctx, input, ilen,
-                output, olen, osize, f_rng, p_rng ) );
-}
-
-/*
- * Check public-private key pair
- */
-int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_context *prv )
-{
-    PK_VALIDATE_RET( pub != NULL );
-    PK_VALIDATE_RET( prv != NULL );
-
-    if( pub->pk_info == NULL ||
-        prv->pk_info == NULL )
-    {
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-    }
-
-    if( prv->pk_info->check_pair_func == NULL )
-        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
-
-    if( prv->pk_info->type == MBEDTLS_PK_RSA_ALT )
-    {
-        if( pub->pk_info->type != MBEDTLS_PK_RSA )
-            return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-    }
-    else
-    {
-        if( pub->pk_info != prv->pk_info )
-            return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-    }
-
-    return( prv->pk_info->check_pair_func( pub->pk_ctx, prv->pk_ctx ) );
-}
-
-/*
- * Get key size in bits
- */
-size_t mbedtls_pk_get_bitlen( const mbedtls_pk_context *ctx )
-{
-    /* For backward compatibility, accept NULL or a context that
-     * isn't set up yet, and return a fake value that should be safe. */
-    if( ctx == NULL || ctx->pk_info == NULL )
-        return( 0 );
-
-    return( ctx->pk_info->get_bitlen( ctx->pk_ctx ) );
-}
-
-/*
- * Export debug information
- */
-int mbedtls_pk_debug( const mbedtls_pk_context *ctx, mbedtls_pk_debug_item *items )
-{
-    PK_VALIDATE_RET( ctx != NULL );
-    if( ctx->pk_info == NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    if( ctx->pk_info->debug_func == NULL )
-        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-
-    ctx->pk_info->debug_func( ctx->pk_ctx, items );
-    return( 0 );
-}
-
-/*
- * Access the PK type name
- */
-const char *mbedtls_pk_get_name( const mbedtls_pk_context *ctx )
-{
-    if( ctx == NULL || ctx->pk_info == NULL )
-        return( "invalid PK" );
-
-    return( ctx->pk_info->name );
-}
-
-/*
- * Access the PK type
- */
-mbedtls_pk_type_t mbedtls_pk_get_type( const mbedtls_pk_context *ctx )
-{
-    if( ctx == NULL || ctx->pk_info == NULL )
-        return( MBEDTLS_PK_NONE );
-
-    return( ctx->pk_info->type );
-}
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-/*
- * Load the key to a PSA key slot,
- * then turn the PK context into a wrapper for that key slot.
- *
- * Currently only works for EC private keys.
- */
-int mbedtls_pk_wrap_as_opaque( mbedtls_pk_context *pk,
-                               psa_key_id_t *key,
-                               psa_algorithm_t hash_alg )
-{
-#if !defined(MBEDTLS_ECP_C)
-    ((void) pk);
-    ((void) key);
-    ((void) hash_alg);
-    return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-#else
-    const mbedtls_ecp_keypair *ec;
-    unsigned char d[MBEDTLS_ECP_MAX_BYTES];
-    size_t d_len;
-    psa_ecc_family_t curve_id;
-    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
-    psa_key_type_t key_type;
-    size_t bits;
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
-    /* export the private key material in the format PSA wants */
-    if( mbedtls_pk_get_type( pk ) != MBEDTLS_PK_ECKEY )
-        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
-
-    ec = mbedtls_pk_ec( *pk );
-    d_len = ( ec->grp.nbits + 7 ) / 8;
-    if( ( ret = mbedtls_mpi_write_binary( &ec->d, d, d_len ) ) != 0 )
-        return( ret );
-
-    curve_id = mbedtls_ecc_group_to_psa( ec->grp.id, &bits );
-    key_type = PSA_KEY_TYPE_ECC_KEY_PAIR( curve_id );
-
-    /* prepare the key attributes */
-    psa_set_key_type( &attributes, key_type );
-    psa_set_key_bits( &attributes, bits );
-    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN_HASH );
-    psa_set_key_algorithm( &attributes, PSA_ALG_ECDSA(hash_alg) );
-
-    /* import private key into PSA */
-    if( PSA_SUCCESS != psa_import_key( &attributes, d, d_len, key ) )
-        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
-
-    /* make PK context wrap the key slot */
-    mbedtls_pk_free( pk );
-    mbedtls_pk_init( pk );
-
-    return( mbedtls_pk_setup_opaque( pk, *key ) );
-#endif /* MBEDTLS_ECP_C */
-}
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-#endif /* MBEDTLS_PK_C */