1 files changed, 168 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/pk_decrypt.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/pk_decrypt.c
new file mode 100644
index 0000000..32fbc75
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/mbedtls/programs/pkey/pk_decrypt.c
@@ -0,0 +1,168 @@
+/*
+ *  Public key-based simple decryption program
+ *
+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  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.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#define mbedtls_printf     printf
+#endif
+
+#if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_PK_PARSE_C) && \
+    defined(MBEDTLS_FS_IO) && defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C)
+#include "mbedtls/error.h"
+#include "mbedtls/pk.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+
+#include <stdio.h>
+#include <string.h>
+#endif
+
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_PK_PARSE_C) ||  \
+    !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_ENTROPY_C) || \
+    !defined(MBEDTLS_CTR_DRBG_C)
+int main( void )
+{
+    mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_PK_PARSE_C and/or "
+           "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or "
+           "MBEDTLS_CTR_DRBG_C not defined.\n");
+    return( 0 );
+}
+#else
+int main( int argc, char *argv[] )
+{
+    FILE *f;
+    int ret, c;
+    size_t i, olen = 0;
+    mbedtls_pk_context pk;
+    mbedtls_entropy_context entropy;
+    mbedtls_ctr_drbg_context ctr_drbg;
+    unsigned char result[1024];
+    unsigned char buf[512];
+    const char *pers = "mbedtls_pk_decrypt";
+    ((void) argv);
+
+    mbedtls_ctr_drbg_init( &ctr_drbg );
+    memset(result, 0, sizeof( result ) );
+    ret = 1;
+
+    if( argc != 2 )
+    {
+        mbedtls_printf( "usage: mbedtls_pk_decrypt <key_file>\n" );
+
+#if defined(_WIN32)
+        mbedtls_printf( "\n" );
+#endif
+
+        goto exit;
+    }
+
+    mbedtls_printf( "\n  . Seeding the random number generator..." );
+    fflush( stdout );
+
+    mbedtls_entropy_init( &entropy );
+    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+                               (const unsigned char *) pers,
+                               strlen( pers ) ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+        goto exit;
+    }
+
+    mbedtls_printf( "\n  . Reading private key from '%s'", argv[1] );
+    fflush( stdout );
+
+    mbedtls_pk_init( &pk );
+
+    if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "" ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_pk_parse_keyfile returned -0x%04x\n", -ret );
+        goto exit;
+    }
+
+    /*
+     * Extract the RSA encrypted value from the text file
+     */
+    ret = 1;
+
+    if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL )
+    {
+        mbedtls_printf( "\n  ! Could not open %s\n\n", "result-enc.txt" );
+        goto exit;
+    }
+
+    i = 0;
+
+    while( fscanf( f, "%02X", &c ) > 0 &&
+           i < (int) sizeof( buf ) )
+        buf[i++] = (unsigned char) c;
+
+    fclose( f );
+
+    /*
+     * Decrypt the encrypted RSA data and print the result.
+     */
+    mbedtls_printf( "\n  . Decrypting the encrypted data" );
+    fflush( stdout );
+
+    if( ( ret = mbedtls_pk_decrypt( &pk, buf, i, result, &olen, sizeof(result),
+                            mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_pk_decrypt returned -0x%04x\n", -ret );
+        goto exit;
+    }
+
+    mbedtls_printf( "\n  . OK\n\n" );
+
+    mbedtls_printf( "The decrypted result is: '%s'\n\n", result );
+
+    ret = 0;
+
+exit:
+    mbedtls_ctr_drbg_free( &ctr_drbg );
+    mbedtls_entropy_free( &entropy );
+
+#if defined(MBEDTLS_ERROR_C)
+    if( ret != 0 )
+    {
+        mbedtls_strerror( ret, (char *) buf, sizeof(buf) );
+        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    }
+#endif
+
+#if defined(_WIN32)
+    mbedtls_printf( "  + Press Enter to exit this program.\n" );
+    fflush( stdout ); getchar();
+#endif
+
+    return( ret );
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
+          MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */