aboutsummaryrefslogtreecommitdiff
path: root/lib/mbedtls-2.27.0/library/chacha20.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mbedtls-2.27.0/library/chacha20.c')
-rw-r--r--lib/mbedtls-2.27.0/library/chacha20.c568
1 files changed, 0 insertions, 568 deletions
diff --git a/lib/mbedtls-2.27.0/library/chacha20.c b/lib/mbedtls-2.27.0/library/chacha20.c
deleted file mode 100644
index 78467d3..0000000
--- a/lib/mbedtls-2.27.0/library/chacha20.c
+++ /dev/null
@@ -1,568 +0,0 @@
-/**
- * \file chacha20.c
- *
- * \brief ChaCha20 cipher.
- *
- * \author Daniel King <damaki.gh@gmail.com>
- *
- * 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_CHACHA20_C)
-
-#include "mbedtls/chacha20.h"
-#include "mbedtls/platform_util.h"
-#include "mbedtls/error.h"
-
-#include <stddef.h>
-#include <string.h>
-
-#if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
-#endif /* MBEDTLS_SELF_TEST */
-
-#if !defined(MBEDTLS_CHACHA20_ALT)
-
-#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
- !defined(inline) && !defined(__cplusplus)
-#define inline __inline
-#endif
-
-/* Parameter validation macros */
-#define CHACHA20_VALIDATE_RET( cond ) \
- MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA )
-#define CHACHA20_VALIDATE( cond ) \
- MBEDTLS_INTERNAL_VALIDATE( cond )
-
-#define BYTES_TO_U32_LE( data, offset ) \
- ( (uint32_t) (data)[offset] \
- | (uint32_t) ( (uint32_t) (data)[( offset ) + 1] << 8 ) \
- | (uint32_t) ( (uint32_t) (data)[( offset ) + 2] << 16 ) \
- | (uint32_t) ( (uint32_t) (data)[( offset ) + 3] << 24 ) \
- )
-
-#define ROTL32( value, amount ) \
- ( (uint32_t) ( (value) << (amount) ) | ( (value) >> ( 32 - (amount) ) ) )
-
-#define CHACHA20_CTR_INDEX ( 12U )
-
-#define CHACHA20_BLOCK_SIZE_BYTES ( 4U * 16U )
-
-/**
- * \brief ChaCha20 quarter round operation.
- *
- * The quarter round is defined as follows (from RFC 7539):
- * 1. a += b; d ^= a; d <<<= 16;
- * 2. c += d; b ^= c; b <<<= 12;
- * 3. a += b; d ^= a; d <<<= 8;
- * 4. c += d; b ^= c; b <<<= 7;
- *
- * \param state ChaCha20 state to modify.
- * \param a The index of 'a' in the state.
- * \param b The index of 'b' in the state.
- * \param c The index of 'c' in the state.
- * \param d The index of 'd' in the state.
- */
-static inline void chacha20_quarter_round( uint32_t state[16],
- size_t a,
- size_t b,
- size_t c,
- size_t d )
-{
- /* a += b; d ^= a; d <<<= 16; */
- state[a] += state[b];
- state[d] ^= state[a];
- state[d] = ROTL32( state[d], 16 );
-
- /* c += d; b ^= c; b <<<= 12 */
- state[c] += state[d];
- state[b] ^= state[c];
- state[b] = ROTL32( state[b], 12 );
-
- /* a += b; d ^= a; d <<<= 8; */
- state[a] += state[b];
- state[d] ^= state[a];
- state[d] = ROTL32( state[d], 8 );
-
- /* c += d; b ^= c; b <<<= 7; */
- state[c] += state[d];
- state[b] ^= state[c];
- state[b] = ROTL32( state[b], 7 );
-}
-
-/**
- * \brief Perform the ChaCha20 inner block operation.
- *
- * This function performs two rounds: the column round and the
- * diagonal round.
- *
- * \param state The ChaCha20 state to update.
- */
-static void chacha20_inner_block( uint32_t state[16] )
-{
- chacha20_quarter_round( state, 0, 4, 8, 12 );
- chacha20_quarter_round( state, 1, 5, 9, 13 );
- chacha20_quarter_round( state, 2, 6, 10, 14 );
- chacha20_quarter_round( state, 3, 7, 11, 15 );
-
- chacha20_quarter_round( state, 0, 5, 10, 15 );
- chacha20_quarter_round( state, 1, 6, 11, 12 );
- chacha20_quarter_round( state, 2, 7, 8, 13 );
- chacha20_quarter_round( state, 3, 4, 9, 14 );
-}
-
-/**
- * \brief Generates a keystream block.
- *
- * \param initial_state The initial ChaCha20 state (key, nonce, counter).
- * \param keystream Generated keystream bytes are written to this buffer.
- */
-static void chacha20_block( const uint32_t initial_state[16],
- unsigned char keystream[64] )
-{
- uint32_t working_state[16];
- size_t i;
-
- memcpy( working_state,
- initial_state,
- CHACHA20_BLOCK_SIZE_BYTES );
-
- for( i = 0U; i < 10U; i++ )
- chacha20_inner_block( working_state );
-
- working_state[ 0] += initial_state[ 0];
- working_state[ 1] += initial_state[ 1];
- working_state[ 2] += initial_state[ 2];
- working_state[ 3] += initial_state[ 3];
- working_state[ 4] += initial_state[ 4];
- working_state[ 5] += initial_state[ 5];
- working_state[ 6] += initial_state[ 6];
- working_state[ 7] += initial_state[ 7];
- working_state[ 8] += initial_state[ 8];
- working_state[ 9] += initial_state[ 9];
- working_state[10] += initial_state[10];
- working_state[11] += initial_state[11];
- working_state[12] += initial_state[12];
- working_state[13] += initial_state[13];
- working_state[14] += initial_state[14];
- working_state[15] += initial_state[15];
-
- for( i = 0U; i < 16; i++ )
- {
- size_t offset = i * 4U;
-
- keystream[offset ] = (unsigned char)( working_state[i] );
- keystream[offset + 1U] = (unsigned char)( working_state[i] >> 8 );
- keystream[offset + 2U] = (unsigned char)( working_state[i] >> 16 );
- keystream[offset + 3U] = (unsigned char)( working_state[i] >> 24 );
- }
-
- mbedtls_platform_zeroize( working_state, sizeof( working_state ) );
-}
-
-void mbedtls_chacha20_init( mbedtls_chacha20_context *ctx )
-{
- CHACHA20_VALIDATE( ctx != NULL );
-
- mbedtls_platform_zeroize( ctx->state, sizeof( ctx->state ) );
- mbedtls_platform_zeroize( ctx->keystream8, sizeof( ctx->keystream8 ) );
-
- /* Initially, there's no keystream bytes available */
- ctx->keystream_bytes_used = CHACHA20_BLOCK_SIZE_BYTES;
-}
-
-void mbedtls_chacha20_free( mbedtls_chacha20_context *ctx )
-{
- if( ctx != NULL )
- {
- mbedtls_platform_zeroize( ctx, sizeof( mbedtls_chacha20_context ) );
- }
-}
-
-int mbedtls_chacha20_setkey( mbedtls_chacha20_context *ctx,
- const unsigned char key[32] )
-{
- CHACHA20_VALIDATE_RET( ctx != NULL );
- CHACHA20_VALIDATE_RET( key != NULL );
-
- /* ChaCha20 constants - the string "expand 32-byte k" */
- ctx->state[0] = 0x61707865;
- ctx->state[1] = 0x3320646e;
- ctx->state[2] = 0x79622d32;
- ctx->state[3] = 0x6b206574;
-
- /* Set key */
- ctx->state[4] = BYTES_TO_U32_LE( key, 0 );
- ctx->state[5] = BYTES_TO_U32_LE( key, 4 );
- ctx->state[6] = BYTES_TO_U32_LE( key, 8 );
- ctx->state[7] = BYTES_TO_U32_LE( key, 12 );
- ctx->state[8] = BYTES_TO_U32_LE( key, 16 );
- ctx->state[9] = BYTES_TO_U32_LE( key, 20 );
- ctx->state[10] = BYTES_TO_U32_LE( key, 24 );
- ctx->state[11] = BYTES_TO_U32_LE( key, 28 );
-
- return( 0 );
-}
-
-int mbedtls_chacha20_starts( mbedtls_chacha20_context* ctx,
- const unsigned char nonce[12],
- uint32_t counter )
-{
- CHACHA20_VALIDATE_RET( ctx != NULL );
- CHACHA20_VALIDATE_RET( nonce != NULL );
-
- /* Counter */
- ctx->state[12] = counter;
-
- /* Nonce */
- ctx->state[13] = BYTES_TO_U32_LE( nonce, 0 );
- ctx->state[14] = BYTES_TO_U32_LE( nonce, 4 );
- ctx->state[15] = BYTES_TO_U32_LE( nonce, 8 );
-
- mbedtls_platform_zeroize( ctx->keystream8, sizeof( ctx->keystream8 ) );
-
- /* Initially, there's no keystream bytes available */
- ctx->keystream_bytes_used = CHACHA20_BLOCK_SIZE_BYTES;
-
- return( 0 );
-}
-
-int mbedtls_chacha20_update( mbedtls_chacha20_context *ctx,
- size_t size,
- const unsigned char *input,
- unsigned char *output )
-{
- size_t offset = 0U;
- size_t i;
-
- CHACHA20_VALIDATE_RET( ctx != NULL );
- CHACHA20_VALIDATE_RET( size == 0 || input != NULL );
- CHACHA20_VALIDATE_RET( size == 0 || output != NULL );
-
- /* Use leftover keystream bytes, if available */
- while( size > 0U && ctx->keystream_bytes_used < CHACHA20_BLOCK_SIZE_BYTES )
- {
- output[offset] = input[offset]
- ^ ctx->keystream8[ctx->keystream_bytes_used];
-
- ctx->keystream_bytes_used++;
- offset++;
- size--;
- }
-
- /* Process full blocks */
- while( size >= CHACHA20_BLOCK_SIZE_BYTES )
- {
- /* Generate new keystream block and increment counter */
- chacha20_block( ctx->state, ctx->keystream8 );
- ctx->state[CHACHA20_CTR_INDEX]++;
-
- for( i = 0U; i < 64U; i += 8U )
- {
- output[offset + i ] = input[offset + i ] ^ ctx->keystream8[i ];
- output[offset + i+1] = input[offset + i+1] ^ ctx->keystream8[i+1];
- output[offset + i+2] = input[offset + i+2] ^ ctx->keystream8[i+2];
- output[offset + i+3] = input[offset + i+3] ^ ctx->keystream8[i+3];
- output[offset + i+4] = input[offset + i+4] ^ ctx->keystream8[i+4];
- output[offset + i+5] = input[offset + i+5] ^ ctx->keystream8[i+5];
- output[offset + i+6] = input[offset + i+6] ^ ctx->keystream8[i+6];
- output[offset + i+7] = input[offset + i+7] ^ ctx->keystream8[i+7];
- }
-
- offset += CHACHA20_BLOCK_SIZE_BYTES;
- size -= CHACHA20_BLOCK_SIZE_BYTES;
- }
-
- /* Last (partial) block */
- if( size > 0U )
- {
- /* Generate new keystream block and increment counter */
- chacha20_block( ctx->state, ctx->keystream8 );
- ctx->state[CHACHA20_CTR_INDEX]++;
-
- for( i = 0U; i < size; i++)
- {
- output[offset + i] = input[offset + i] ^ ctx->keystream8[i];
- }
-
- ctx->keystream_bytes_used = size;
-
- }
-
- return( 0 );
-}
-
-int mbedtls_chacha20_crypt( const unsigned char key[32],
- const unsigned char nonce[12],
- uint32_t counter,
- size_t data_len,
- const unsigned char* input,
- unsigned char* output )
-{
- mbedtls_chacha20_context ctx;
- int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
- CHACHA20_VALIDATE_RET( key != NULL );
- CHACHA20_VALIDATE_RET( nonce != NULL );
- CHACHA20_VALIDATE_RET( data_len == 0 || input != NULL );
- CHACHA20_VALIDATE_RET( data_len == 0 || output != NULL );
-
- mbedtls_chacha20_init( &ctx );
-
- ret = mbedtls_chacha20_setkey( &ctx, key );
- if( ret != 0 )
- goto cleanup;
-
- ret = mbedtls_chacha20_starts( &ctx, nonce, counter );
- if( ret != 0 )
- goto cleanup;
-
- ret = mbedtls_chacha20_update( &ctx, data_len, input, output );
-
-cleanup:
- mbedtls_chacha20_free( &ctx );
- return( ret );
-}
-
-#endif /* !MBEDTLS_CHACHA20_ALT */
-
-#if defined(MBEDTLS_SELF_TEST)
-
-static const unsigned char test_keys[2][32] =
-{
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
- },
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
- }
-};
-
-static const unsigned char test_nonces[2][12] =
-{
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00
- },
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x02
- }
-};
-
-static const uint32_t test_counters[2] =
-{
- 0U,
- 1U
-};
-
-static const unsigned char test_input[2][375] =
-{
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
- },
- {
- 0x41, 0x6e, 0x79, 0x20, 0x73, 0x75, 0x62, 0x6d,
- 0x69, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x74,
- 0x6f, 0x20, 0x74, 0x68, 0x65, 0x20, 0x49, 0x45,
- 0x54, 0x46, 0x20, 0x69, 0x6e, 0x74, 0x65, 0x6e,
- 0x64, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20, 0x74,
- 0x68, 0x65, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x72,
- 0x69, 0x62, 0x75, 0x74, 0x6f, 0x72, 0x20, 0x66,
- 0x6f, 0x72, 0x20, 0x70, 0x75, 0x62, 0x6c, 0x69,
- 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x61,
- 0x73, 0x20, 0x61, 0x6c, 0x6c, 0x20, 0x6f, 0x72,
- 0x20, 0x70, 0x61, 0x72, 0x74, 0x20, 0x6f, 0x66,
- 0x20, 0x61, 0x6e, 0x20, 0x49, 0x45, 0x54, 0x46,
- 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
- 0x74, 0x2d, 0x44, 0x72, 0x61, 0x66, 0x74, 0x20,
- 0x6f, 0x72, 0x20, 0x52, 0x46, 0x43, 0x20, 0x61,
- 0x6e, 0x64, 0x20, 0x61, 0x6e, 0x79, 0x20, 0x73,
- 0x74, 0x61, 0x74, 0x65, 0x6d, 0x65, 0x6e, 0x74,
- 0x20, 0x6d, 0x61, 0x64, 0x65, 0x20, 0x77, 0x69,
- 0x74, 0x68, 0x69, 0x6e, 0x20, 0x74, 0x68, 0x65,
- 0x20, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74,
- 0x20, 0x6f, 0x66, 0x20, 0x61, 0x6e, 0x20, 0x49,
- 0x45, 0x54, 0x46, 0x20, 0x61, 0x63, 0x74, 0x69,
- 0x76, 0x69, 0x74, 0x79, 0x20, 0x69, 0x73, 0x20,
- 0x63, 0x6f, 0x6e, 0x73, 0x69, 0x64, 0x65, 0x72,
- 0x65, 0x64, 0x20, 0x61, 0x6e, 0x20, 0x22, 0x49,
- 0x45, 0x54, 0x46, 0x20, 0x43, 0x6f, 0x6e, 0x74,
- 0x72, 0x69, 0x62, 0x75, 0x74, 0x69, 0x6f, 0x6e,
- 0x22, 0x2e, 0x20, 0x53, 0x75, 0x63, 0x68, 0x20,
- 0x73, 0x74, 0x61, 0x74, 0x65, 0x6d, 0x65, 0x6e,
- 0x74, 0x73, 0x20, 0x69, 0x6e, 0x63, 0x6c, 0x75,
- 0x64, 0x65, 0x20, 0x6f, 0x72, 0x61, 0x6c, 0x20,
- 0x73, 0x74, 0x61, 0x74, 0x65, 0x6d, 0x65, 0x6e,
- 0x74, 0x73, 0x20, 0x69, 0x6e, 0x20, 0x49, 0x45,
- 0x54, 0x46, 0x20, 0x73, 0x65, 0x73, 0x73, 0x69,
- 0x6f, 0x6e, 0x73, 0x2c, 0x20, 0x61, 0x73, 0x20,
- 0x77, 0x65, 0x6c, 0x6c, 0x20, 0x61, 0x73, 0x20,
- 0x77, 0x72, 0x69, 0x74, 0x74, 0x65, 0x6e, 0x20,
- 0x61, 0x6e, 0x64, 0x20, 0x65, 0x6c, 0x65, 0x63,
- 0x74, 0x72, 0x6f, 0x6e, 0x69, 0x63, 0x20, 0x63,
- 0x6f, 0x6d, 0x6d, 0x75, 0x6e, 0x69, 0x63, 0x61,
- 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x20, 0x6d, 0x61,
- 0x64, 0x65, 0x20, 0x61, 0x74, 0x20, 0x61, 0x6e,
- 0x79, 0x20, 0x74, 0x69, 0x6d, 0x65, 0x20, 0x6f,
- 0x72, 0x20, 0x70, 0x6c, 0x61, 0x63, 0x65, 0x2c,
- 0x20, 0x77, 0x68, 0x69, 0x63, 0x68, 0x20, 0x61,
- 0x72, 0x65, 0x20, 0x61, 0x64, 0x64, 0x72, 0x65,
- 0x73, 0x73, 0x65, 0x64, 0x20, 0x74, 0x6f
- }
-};
-
-static const unsigned char test_output[2][375] =
-{
- {
- 0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90,
- 0x40, 0x5d, 0x6a, 0xe5, 0x53, 0x86, 0xbd, 0x28,
- 0xbd, 0xd2, 0x19, 0xb8, 0xa0, 0x8d, 0xed, 0x1a,
- 0xa8, 0x36, 0xef, 0xcc, 0x8b, 0x77, 0x0d, 0xc7,
- 0xda, 0x41, 0x59, 0x7c, 0x51, 0x57, 0x48, 0x8d,
- 0x77, 0x24, 0xe0, 0x3f, 0xb8, 0xd8, 0x4a, 0x37,
- 0x6a, 0x43, 0xb8, 0xf4, 0x15, 0x18, 0xa1, 0x1c,
- 0xc3, 0x87, 0xb6, 0x69, 0xb2, 0xee, 0x65, 0x86
- },
- {
- 0xa3, 0xfb, 0xf0, 0x7d, 0xf3, 0xfa, 0x2f, 0xde,
- 0x4f, 0x37, 0x6c, 0xa2, 0x3e, 0x82, 0x73, 0x70,
- 0x41, 0x60, 0x5d, 0x9f, 0x4f, 0x4f, 0x57, 0xbd,
- 0x8c, 0xff, 0x2c, 0x1d, 0x4b, 0x79, 0x55, 0xec,
- 0x2a, 0x97, 0x94, 0x8b, 0xd3, 0x72, 0x29, 0x15,
- 0xc8, 0xf3, 0xd3, 0x37, 0xf7, 0xd3, 0x70, 0x05,
- 0x0e, 0x9e, 0x96, 0xd6, 0x47, 0xb7, 0xc3, 0x9f,
- 0x56, 0xe0, 0x31, 0xca, 0x5e, 0xb6, 0x25, 0x0d,
- 0x40, 0x42, 0xe0, 0x27, 0x85, 0xec, 0xec, 0xfa,
- 0x4b, 0x4b, 0xb5, 0xe8, 0xea, 0xd0, 0x44, 0x0e,
- 0x20, 0xb6, 0xe8, 0xdb, 0x09, 0xd8, 0x81, 0xa7,
- 0xc6, 0x13, 0x2f, 0x42, 0x0e, 0x52, 0x79, 0x50,
- 0x42, 0xbd, 0xfa, 0x77, 0x73, 0xd8, 0xa9, 0x05,
- 0x14, 0x47, 0xb3, 0x29, 0x1c, 0xe1, 0x41, 0x1c,
- 0x68, 0x04, 0x65, 0x55, 0x2a, 0xa6, 0xc4, 0x05,
- 0xb7, 0x76, 0x4d, 0x5e, 0x87, 0xbe, 0xa8, 0x5a,
- 0xd0, 0x0f, 0x84, 0x49, 0xed, 0x8f, 0x72, 0xd0,
- 0xd6, 0x62, 0xab, 0x05, 0x26, 0x91, 0xca, 0x66,
- 0x42, 0x4b, 0xc8, 0x6d, 0x2d, 0xf8, 0x0e, 0xa4,
- 0x1f, 0x43, 0xab, 0xf9, 0x37, 0xd3, 0x25, 0x9d,
- 0xc4, 0xb2, 0xd0, 0xdf, 0xb4, 0x8a, 0x6c, 0x91,
- 0x39, 0xdd, 0xd7, 0xf7, 0x69, 0x66, 0xe9, 0x28,
- 0xe6, 0x35, 0x55, 0x3b, 0xa7, 0x6c, 0x5c, 0x87,
- 0x9d, 0x7b, 0x35, 0xd4, 0x9e, 0xb2, 0xe6, 0x2b,
- 0x08, 0x71, 0xcd, 0xac, 0x63, 0x89, 0x39, 0xe2,
- 0x5e, 0x8a, 0x1e, 0x0e, 0xf9, 0xd5, 0x28, 0x0f,
- 0xa8, 0xca, 0x32, 0x8b, 0x35, 0x1c, 0x3c, 0x76,
- 0x59, 0x89, 0xcb, 0xcf, 0x3d, 0xaa, 0x8b, 0x6c,
- 0xcc, 0x3a, 0xaf, 0x9f, 0x39, 0x79, 0xc9, 0x2b,
- 0x37, 0x20, 0xfc, 0x88, 0xdc, 0x95, 0xed, 0x84,
- 0xa1, 0xbe, 0x05, 0x9c, 0x64, 0x99, 0xb9, 0xfd,
- 0xa2, 0x36, 0xe7, 0xe8, 0x18, 0xb0, 0x4b, 0x0b,
- 0xc3, 0x9c, 0x1e, 0x87, 0x6b, 0x19, 0x3b, 0xfe,
- 0x55, 0x69, 0x75, 0x3f, 0x88, 0x12, 0x8c, 0xc0,
- 0x8a, 0xaa, 0x9b, 0x63, 0xd1, 0xa1, 0x6f, 0x80,
- 0xef, 0x25, 0x54, 0xd7, 0x18, 0x9c, 0x41, 0x1f,
- 0x58, 0x69, 0xca, 0x52, 0xc5, 0xb8, 0x3f, 0xa3,
- 0x6f, 0xf2, 0x16, 0xb9, 0xc1, 0xd3, 0x00, 0x62,
- 0xbe, 0xbc, 0xfd, 0x2d, 0xc5, 0xbc, 0xe0, 0x91,
- 0x19, 0x34, 0xfd, 0xa7, 0x9a, 0x86, 0xf6, 0xe6,
- 0x98, 0xce, 0xd7, 0x59, 0xc3, 0xff, 0x9b, 0x64,
- 0x77, 0x33, 0x8f, 0x3d, 0xa4, 0xf9, 0xcd, 0x85,
- 0x14, 0xea, 0x99, 0x82, 0xcc, 0xaf, 0xb3, 0x41,
- 0xb2, 0x38, 0x4d, 0xd9, 0x02, 0xf3, 0xd1, 0xab,
- 0x7a, 0xc6, 0x1d, 0xd2, 0x9c, 0x6f, 0x21, 0xba,
- 0x5b, 0x86, 0x2f, 0x37, 0x30, 0xe3, 0x7c, 0xfd,
- 0xc4, 0xfd, 0x80, 0x6c, 0x22, 0xf2, 0x21
- }
-};
-
-static const size_t test_lengths[2] =
-{
- 64U,
- 375U
-};
-
-/* Make sure no other definition is already present. */
-#undef ASSERT
-
-#define ASSERT( cond, args ) \
- do \
- { \
- if( ! ( cond ) ) \
- { \
- if( verbose != 0 ) \
- mbedtls_printf args; \
- \
- return( -1 ); \
- } \
- } \
- while( 0 )
-
-int mbedtls_chacha20_self_test( int verbose )
-{
- unsigned char output[381];
- unsigned i;
- int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
- for( i = 0U; i < 2U; i++ )
- {
- if( verbose != 0 )
- mbedtls_printf( " ChaCha20 test %u ", i );
-
- ret = mbedtls_chacha20_crypt( test_keys[i],
- test_nonces[i],
- test_counters[i],
- test_lengths[i],
- test_input[i],
- output );
-
- ASSERT( 0 == ret, ( "error code: %i\n", ret ) );
-
- ASSERT( 0 == memcmp( output, test_output[i], test_lengths[i] ),
- ( "failed (output)\n" ) );
-
- if( verbose != 0 )
- mbedtls_printf( "passed\n" );
- }
-
- if( verbose != 0 )
- mbedtls_printf( "\n" );
-
- return( 0 );
-}
-
-#endif /* MBEDTLS_SELF_TEST */
-
-#endif /* !MBEDTLS_CHACHA20_C */