--- /dev/null
+/**\r
+ * \file chachapoly.c\r
+ *\r
+ * \brief ChaCha20-Poly1305 AEAD construction based on RFC 7539.\r
+ *\r
+ * Copyright (C) 2006-2016, ARM Limited, All Rights Reserved\r
+ * SPDX-License-Identifier: Apache-2.0\r
+ *\r
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may\r
+ * not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT\r
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ *\r
+ * This file is part of mbed TLS (https://tls.mbed.org)\r
+ */\r
+#if !defined(MBEDTLS_CONFIG_FILE)\r
+#include "mbedtls/config.h"\r
+#else\r
+#include MBEDTLS_CONFIG_FILE\r
+#endif\r
+\r
+#if defined(MBEDTLS_CHACHAPOLY_C)\r
+\r
+#include "mbedtls/chachapoly.h"\r
+#include "mbedtls/platform_util.h"\r
+\r
+#include <string.h>\r
+\r
+#if defined(MBEDTLS_SELF_TEST)\r
+#if defined(MBEDTLS_PLATFORM_C)\r
+#include "mbedtls/platform.h"\r
+#else\r
+#include <stdio.h>\r
+#define mbedtls_printf printf\r
+#endif /* MBEDTLS_PLATFORM_C */\r
+#endif /* MBEDTLS_SELF_TEST */\r
+\r
+#if !defined(MBEDTLS_CHACHAPOLY_ALT)\r
+\r
+/* Parameter validation macros */\r
+#define CHACHAPOLY_VALIDATE_RET( cond ) \\r
+ MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA )\r
+#define CHACHAPOLY_VALIDATE( cond ) \\r
+ MBEDTLS_INTERNAL_VALIDATE( cond )\r
+\r
+#define CHACHAPOLY_STATE_INIT ( 0 )\r
+#define CHACHAPOLY_STATE_AAD ( 1 )\r
+#define CHACHAPOLY_STATE_CIPHERTEXT ( 2 ) /* Encrypting or decrypting */\r
+#define CHACHAPOLY_STATE_FINISHED ( 3 )\r
+\r
+/**\r
+ * \brief Adds nul bytes to pad the AAD for Poly1305.\r
+ *\r
+ * \param ctx The ChaCha20-Poly1305 context.\r
+ */\r
+static int chachapoly_pad_aad( mbedtls_chachapoly_context *ctx )\r
+{\r
+ uint32_t partial_block_len = (uint32_t) ( ctx->aad_len % 16U );\r
+ unsigned char zeroes[15];\r
+\r
+ if( partial_block_len == 0U )\r
+ return( 0 );\r
+\r
+ memset( zeroes, 0, sizeof( zeroes ) );\r
+\r
+ return( mbedtls_poly1305_update( &ctx->poly1305_ctx,\r
+ zeroes,\r
+ 16U - partial_block_len ) );\r
+}\r
+\r
+/**\r
+ * \brief Adds nul bytes to pad the ciphertext for Poly1305.\r
+ *\r
+ * \param ctx The ChaCha20-Poly1305 context.\r
+ */\r
+static int chachapoly_pad_ciphertext( mbedtls_chachapoly_context *ctx )\r
+{\r
+ uint32_t partial_block_len = (uint32_t) ( ctx->ciphertext_len % 16U );\r
+ unsigned char zeroes[15];\r
+\r
+ if( partial_block_len == 0U )\r
+ return( 0 );\r
+\r
+ memset( zeroes, 0, sizeof( zeroes ) );\r
+ return( mbedtls_poly1305_update( &ctx->poly1305_ctx,\r
+ zeroes,\r
+ 16U - partial_block_len ) );\r
+}\r
+\r
+void mbedtls_chachapoly_init( mbedtls_chachapoly_context *ctx )\r
+{\r
+ CHACHAPOLY_VALIDATE( ctx != NULL );\r
+\r
+ mbedtls_chacha20_init( &ctx->chacha20_ctx );\r
+ mbedtls_poly1305_init( &ctx->poly1305_ctx );\r
+ ctx->aad_len = 0U;\r
+ ctx->ciphertext_len = 0U;\r
+ ctx->state = CHACHAPOLY_STATE_INIT;\r
+ ctx->mode = MBEDTLS_CHACHAPOLY_ENCRYPT;\r
+}\r
+\r
+void mbedtls_chachapoly_free( mbedtls_chachapoly_context *ctx )\r
+{\r
+ if( ctx == NULL )\r
+ return;\r
+\r
+ mbedtls_chacha20_free( &ctx->chacha20_ctx );\r
+ mbedtls_poly1305_free( &ctx->poly1305_ctx );\r
+ ctx->aad_len = 0U;\r
+ ctx->ciphertext_len = 0U;\r
+ ctx->state = CHACHAPOLY_STATE_INIT;\r
+ ctx->mode = MBEDTLS_CHACHAPOLY_ENCRYPT;\r
+}\r
+\r
+int mbedtls_chachapoly_setkey( mbedtls_chachapoly_context *ctx,\r
+ const unsigned char key[32] )\r
+{\r
+ int ret;\r
+ CHACHAPOLY_VALIDATE_RET( ctx != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( key != NULL );\r
+\r
+ ret = mbedtls_chacha20_setkey( &ctx->chacha20_ctx, key );\r
+\r
+ return( ret );\r
+}\r
+\r
+int mbedtls_chachapoly_starts( mbedtls_chachapoly_context *ctx,\r
+ const unsigned char nonce[12],\r
+ mbedtls_chachapoly_mode_t mode )\r
+{\r
+ int ret;\r
+ unsigned char poly1305_key[64];\r
+ CHACHAPOLY_VALIDATE_RET( ctx != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( nonce != NULL );\r
+\r
+ /* Set counter = 0, will be update to 1 when generating Poly1305 key */\r
+ ret = mbedtls_chacha20_starts( &ctx->chacha20_ctx, nonce, 0U );\r
+ if( ret != 0 )\r
+ goto cleanup;\r
+\r
+ /* Generate the Poly1305 key by getting the ChaCha20 keystream output with\r
+ * counter = 0. This is the same as encrypting a buffer of zeroes.\r
+ * Only the first 256-bits (32 bytes) of the key is used for Poly1305.\r
+ * The other 256 bits are discarded.\r
+ */\r
+ memset( poly1305_key, 0, sizeof( poly1305_key ) );\r
+ ret = mbedtls_chacha20_update( &ctx->chacha20_ctx, sizeof( poly1305_key ),\r
+ poly1305_key, poly1305_key );\r
+ if( ret != 0 )\r
+ goto cleanup;\r
+\r
+ ret = mbedtls_poly1305_starts( &ctx->poly1305_ctx, poly1305_key );\r
+\r
+ if( ret == 0 )\r
+ {\r
+ ctx->aad_len = 0U;\r
+ ctx->ciphertext_len = 0U;\r
+ ctx->state = CHACHAPOLY_STATE_AAD;\r
+ ctx->mode = mode;\r
+ }\r
+\r
+cleanup:\r
+ mbedtls_platform_zeroize( poly1305_key, 64U );\r
+ return( ret );\r
+}\r
+\r
+int mbedtls_chachapoly_update_aad( mbedtls_chachapoly_context *ctx,\r
+ const unsigned char *aad,\r
+ size_t aad_len )\r
+{\r
+ CHACHAPOLY_VALIDATE_RET( ctx != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( aad_len == 0 || aad != NULL );\r
+\r
+ if( ctx->state != CHACHAPOLY_STATE_AAD )\r
+ return( MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );\r
+\r
+ ctx->aad_len += aad_len;\r
+\r
+ return( mbedtls_poly1305_update( &ctx->poly1305_ctx, aad, aad_len ) );\r
+}\r
+\r
+int mbedtls_chachapoly_update( mbedtls_chachapoly_context *ctx,\r
+ size_t len,\r
+ const unsigned char *input,\r
+ unsigned char *output )\r
+{\r
+ int ret;\r
+ CHACHAPOLY_VALIDATE_RET( ctx != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( len == 0 || input != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( len == 0 || output != NULL );\r
+\r
+ if( ( ctx->state != CHACHAPOLY_STATE_AAD ) &&\r
+ ( ctx->state != CHACHAPOLY_STATE_CIPHERTEXT ) )\r
+ {\r
+ return( MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );\r
+ }\r
+\r
+ if( ctx->state == CHACHAPOLY_STATE_AAD )\r
+ {\r
+ ctx->state = CHACHAPOLY_STATE_CIPHERTEXT;\r
+\r
+ ret = chachapoly_pad_aad( ctx );\r
+ if( ret != 0 )\r
+ return( ret );\r
+ }\r
+\r
+ ctx->ciphertext_len += len;\r
+\r
+ if( ctx->mode == MBEDTLS_CHACHAPOLY_ENCRYPT )\r
+ {\r
+ ret = mbedtls_chacha20_update( &ctx->chacha20_ctx, len, input, output );\r
+ if( ret != 0 )\r
+ return( ret );\r
+\r
+ ret = mbedtls_poly1305_update( &ctx->poly1305_ctx, output, len );\r
+ if( ret != 0 )\r
+ return( ret );\r
+ }\r
+ else /* DECRYPT */\r
+ {\r
+ ret = mbedtls_poly1305_update( &ctx->poly1305_ctx, input, len );\r
+ if( ret != 0 )\r
+ return( ret );\r
+\r
+ ret = mbedtls_chacha20_update( &ctx->chacha20_ctx, len, input, output );\r
+ if( ret != 0 )\r
+ return( ret );\r
+ }\r
+\r
+ return( 0 );\r
+}\r
+\r
+int mbedtls_chachapoly_finish( mbedtls_chachapoly_context *ctx,\r
+ unsigned char mac[16] )\r
+{\r
+ int ret;\r
+ unsigned char len_block[16];\r
+ CHACHAPOLY_VALIDATE_RET( ctx != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( mac != NULL );\r
+\r
+ if( ctx->state == CHACHAPOLY_STATE_INIT )\r
+ {\r
+ return( MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );\r
+ }\r
+\r
+ if( ctx->state == CHACHAPOLY_STATE_AAD )\r
+ {\r
+ ret = chachapoly_pad_aad( ctx );\r
+ if( ret != 0 )\r
+ return( ret );\r
+ }\r
+ else if( ctx->state == CHACHAPOLY_STATE_CIPHERTEXT )\r
+ {\r
+ ret = chachapoly_pad_ciphertext( ctx );\r
+ if( ret != 0 )\r
+ return( ret );\r
+ }\r
+\r
+ ctx->state = CHACHAPOLY_STATE_FINISHED;\r
+\r
+ /* The lengths of the AAD and ciphertext are processed by\r
+ * Poly1305 as the final 128-bit block, encoded as little-endian integers.\r
+ */\r
+ len_block[ 0] = (unsigned char)( ctx->aad_len );\r
+ len_block[ 1] = (unsigned char)( ctx->aad_len >> 8 );\r
+ len_block[ 2] = (unsigned char)( ctx->aad_len >> 16 );\r
+ len_block[ 3] = (unsigned char)( ctx->aad_len >> 24 );\r
+ len_block[ 4] = (unsigned char)( ctx->aad_len >> 32 );\r
+ len_block[ 5] = (unsigned char)( ctx->aad_len >> 40 );\r
+ len_block[ 6] = (unsigned char)( ctx->aad_len >> 48 );\r
+ len_block[ 7] = (unsigned char)( ctx->aad_len >> 56 );\r
+ len_block[ 8] = (unsigned char)( ctx->ciphertext_len );\r
+ len_block[ 9] = (unsigned char)( ctx->ciphertext_len >> 8 );\r
+ len_block[10] = (unsigned char)( ctx->ciphertext_len >> 16 );\r
+ len_block[11] = (unsigned char)( ctx->ciphertext_len >> 24 );\r
+ len_block[12] = (unsigned char)( ctx->ciphertext_len >> 32 );\r
+ len_block[13] = (unsigned char)( ctx->ciphertext_len >> 40 );\r
+ len_block[14] = (unsigned char)( ctx->ciphertext_len >> 48 );\r
+ len_block[15] = (unsigned char)( ctx->ciphertext_len >> 56 );\r
+\r
+ ret = mbedtls_poly1305_update( &ctx->poly1305_ctx, len_block, 16U );\r
+ if( ret != 0 )\r
+ return( ret );\r
+\r
+ ret = mbedtls_poly1305_finish( &ctx->poly1305_ctx, mac );\r
+\r
+ return( ret );\r
+}\r
+\r
+static int chachapoly_crypt_and_tag( mbedtls_chachapoly_context *ctx,\r
+ mbedtls_chachapoly_mode_t mode,\r
+ size_t length,\r
+ const unsigned char nonce[12],\r
+ const unsigned char *aad,\r
+ size_t aad_len,\r
+ const unsigned char *input,\r
+ unsigned char *output,\r
+ unsigned char tag[16] )\r
+{\r
+ int ret;\r
+\r
+ ret = mbedtls_chachapoly_starts( ctx, nonce, mode );\r
+ if( ret != 0 )\r
+ goto cleanup;\r
+\r
+ ret = mbedtls_chachapoly_update_aad( ctx, aad, aad_len );\r
+ if( ret != 0 )\r
+ goto cleanup;\r
+\r
+ ret = mbedtls_chachapoly_update( ctx, length, input, output );\r
+ if( ret != 0 )\r
+ goto cleanup;\r
+\r
+ ret = mbedtls_chachapoly_finish( ctx, tag );\r
+\r
+cleanup:\r
+ return( ret );\r
+}\r
+\r
+int mbedtls_chachapoly_encrypt_and_tag( mbedtls_chachapoly_context *ctx,\r
+ size_t length,\r
+ const unsigned char nonce[12],\r
+ const unsigned char *aad,\r
+ size_t aad_len,\r
+ const unsigned char *input,\r
+ unsigned char *output,\r
+ unsigned char tag[16] )\r
+{\r
+ CHACHAPOLY_VALIDATE_RET( ctx != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( nonce != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( tag != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( aad_len == 0 || aad != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( length == 0 || input != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( length == 0 || output != NULL );\r
+\r
+ return( chachapoly_crypt_and_tag( ctx, MBEDTLS_CHACHAPOLY_ENCRYPT,\r
+ length, nonce, aad, aad_len,\r
+ input, output, tag ) );\r
+}\r
+\r
+int mbedtls_chachapoly_auth_decrypt( mbedtls_chachapoly_context *ctx,\r
+ size_t length,\r
+ const unsigned char nonce[12],\r
+ const unsigned char *aad,\r
+ size_t aad_len,\r
+ const unsigned char tag[16],\r
+ const unsigned char *input,\r
+ unsigned char *output )\r
+{\r
+ int ret;\r
+ unsigned char check_tag[16];\r
+ size_t i;\r
+ int diff;\r
+ CHACHAPOLY_VALIDATE_RET( ctx != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( nonce != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( tag != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( aad_len == 0 || aad != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( length == 0 || input != NULL );\r
+ CHACHAPOLY_VALIDATE_RET( length == 0 || output != NULL );\r
+\r
+ if( ( ret = chachapoly_crypt_and_tag( ctx,\r
+ MBEDTLS_CHACHAPOLY_DECRYPT, length, nonce,\r
+ aad, aad_len, input, output, check_tag ) ) != 0 )\r
+ {\r
+ return( ret );\r
+ }\r
+\r
+ /* Check tag in "constant-time" */\r
+ for( diff = 0, i = 0; i < sizeof( check_tag ); i++ )\r
+ diff |= tag[i] ^ check_tag[i];\r
+\r
+ if( diff != 0 )\r
+ {\r
+ mbedtls_platform_zeroize( output, length );\r
+ return( MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED );\r
+ }\r
+\r
+ return( 0 );\r
+}\r
+\r
+#endif /* MBEDTLS_CHACHAPOLY_ALT */\r
+\r
+#if defined(MBEDTLS_SELF_TEST)\r
+\r
+static const unsigned char test_key[1][32] =\r
+{\r
+ {\r
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,\r
+ 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,\r
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,\r
+ 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f\r
+ }\r
+};\r
+\r
+static const unsigned char test_nonce[1][12] =\r
+{\r
+ {\r
+ 0x07, 0x00, 0x00, 0x00, /* 32-bit common part */\r
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47 /* 64-bit IV */\r
+ }\r
+};\r
+\r
+static const unsigned char test_aad[1][12] =\r
+{\r
+ {\r
+ 0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3,\r
+ 0xc4, 0xc5, 0xc6, 0xc7\r
+ }\r
+};\r
+\r
+static const size_t test_aad_len[1] =\r
+{\r
+ 12U\r
+};\r
+\r
+static const unsigned char test_input[1][114] =\r
+{\r
+ {\r
+ 0x4c, 0x61, 0x64, 0x69, 0x65, 0x73, 0x20, 0x61,\r
+ 0x6e, 0x64, 0x20, 0x47, 0x65, 0x6e, 0x74, 0x6c,\r
+ 0x65, 0x6d, 0x65, 0x6e, 0x20, 0x6f, 0x66, 0x20,\r
+ 0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x61, 0x73,\r
+ 0x73, 0x20, 0x6f, 0x66, 0x20, 0x27, 0x39, 0x39,\r
+ 0x3a, 0x20, 0x49, 0x66, 0x20, 0x49, 0x20, 0x63,\r
+ 0x6f, 0x75, 0x6c, 0x64, 0x20, 0x6f, 0x66, 0x66,\r
+ 0x65, 0x72, 0x20, 0x79, 0x6f, 0x75, 0x20, 0x6f,\r
+ 0x6e, 0x6c, 0x79, 0x20, 0x6f, 0x6e, 0x65, 0x20,\r
+ 0x74, 0x69, 0x70, 0x20, 0x66, 0x6f, 0x72, 0x20,\r
+ 0x74, 0x68, 0x65, 0x20, 0x66, 0x75, 0x74, 0x75,\r
+ 0x72, 0x65, 0x2c, 0x20, 0x73, 0x75, 0x6e, 0x73,\r
+ 0x63, 0x72, 0x65, 0x65, 0x6e, 0x20, 0x77, 0x6f,\r
+ 0x75, 0x6c, 0x64, 0x20, 0x62, 0x65, 0x20, 0x69,\r
+ 0x74, 0x2e\r
+ }\r
+};\r
+\r
+static const unsigned char test_output[1][114] =\r
+{\r
+ {\r
+ 0xd3, 0x1a, 0x8d, 0x34, 0x64, 0x8e, 0x60, 0xdb,\r
+ 0x7b, 0x86, 0xaf, 0xbc, 0x53, 0xef, 0x7e, 0xc2,\r
+ 0xa4, 0xad, 0xed, 0x51, 0x29, 0x6e, 0x08, 0xfe,\r
+ 0xa9, 0xe2, 0xb5, 0xa7, 0x36, 0xee, 0x62, 0xd6,\r
+ 0x3d, 0xbe, 0xa4, 0x5e, 0x8c, 0xa9, 0x67, 0x12,\r
+ 0x82, 0xfa, 0xfb, 0x69, 0xda, 0x92, 0x72, 0x8b,\r
+ 0x1a, 0x71, 0xde, 0x0a, 0x9e, 0x06, 0x0b, 0x29,\r
+ 0x05, 0xd6, 0xa5, 0xb6, 0x7e, 0xcd, 0x3b, 0x36,\r
+ 0x92, 0xdd, 0xbd, 0x7f, 0x2d, 0x77, 0x8b, 0x8c,\r
+ 0x98, 0x03, 0xae, 0xe3, 0x28, 0x09, 0x1b, 0x58,\r
+ 0xfa, 0xb3, 0x24, 0xe4, 0xfa, 0xd6, 0x75, 0x94,\r
+ 0x55, 0x85, 0x80, 0x8b, 0x48, 0x31, 0xd7, 0xbc,\r
+ 0x3f, 0xf4, 0xde, 0xf0, 0x8e, 0x4b, 0x7a, 0x9d,\r
+ 0xe5, 0x76, 0xd2, 0x65, 0x86, 0xce, 0xc6, 0x4b,\r
+ 0x61, 0x16\r
+ }\r
+};\r
+\r
+static const size_t test_input_len[1] =\r
+{\r
+ 114U\r
+};\r
+\r
+static const unsigned char test_mac[1][16] =\r
+{\r
+ {\r
+ 0x1a, 0xe1, 0x0b, 0x59, 0x4f, 0x09, 0xe2, 0x6a,\r
+ 0x7e, 0x90, 0x2e, 0xcb, 0xd0, 0x60, 0x06, 0x91\r
+ }\r
+};\r
+\r
+#define ASSERT( cond, args ) \\r
+ do \\r
+ { \\r
+ if( ! ( cond ) ) \\r
+ { \\r
+ if( verbose != 0 ) \\r
+ mbedtls_printf args; \\r
+ \\r
+ return( -1 ); \\r
+ } \\r
+ } \\r
+ while( 0 )\r
+\r
+int mbedtls_chachapoly_self_test( int verbose )\r
+{\r
+ mbedtls_chachapoly_context ctx;\r
+ unsigned i;\r
+ int ret;\r
+ unsigned char output[200];\r
+ unsigned char mac[16];\r
+\r
+ for( i = 0U; i < 1U; i++ )\r
+ {\r
+ if( verbose != 0 )\r
+ mbedtls_printf( " ChaCha20-Poly1305 test %u ", i );\r
+\r
+ mbedtls_chachapoly_init( &ctx );\r
+\r
+ ret = mbedtls_chachapoly_setkey( &ctx, test_key[i] );\r
+ ASSERT( 0 == ret, ( "setkey() error code: %i\n", ret ) );\r
+\r
+ ret = mbedtls_chachapoly_encrypt_and_tag( &ctx,\r
+ test_input_len[i],\r
+ test_nonce[i],\r
+ test_aad[i],\r
+ test_aad_len[i],\r
+ test_input[i],\r
+ output,\r
+ mac );\r
+\r
+ ASSERT( 0 == ret, ( "crypt_and_tag() error code: %i\n", ret ) );\r
+\r
+ ASSERT( 0 == memcmp( output, test_output[i], test_input_len[i] ),\r
+ ( "failure (wrong output)\n" ) );\r
+\r
+ ASSERT( 0 == memcmp( mac, test_mac[i], 16U ),\r
+ ( "failure (wrong MAC)\n" ) );\r
+\r
+ mbedtls_chachapoly_free( &ctx );\r
+\r
+ if( verbose != 0 )\r
+ mbedtls_printf( "passed\n" );\r
+ }\r
+\r
+ if( verbose != 0 )\r
+ mbedtls_printf( "\n" );\r
+\r
+ return( 0 );\r
+}\r
+\r
+#endif /* MBEDTLS_SELF_TEST */\r
+\r
+#endif /* MBEDTLS_CHACHAPOLY_C */\r
projects / freertos / blobdiff