Squashed commit upgrading to mbedtls-2.16.0
Squash merging branch import/mbedtls-2.16.0
9ee2a92de51f ("libmbedtls: compile new files added with 2.16.0")
9b0818d48d29 ("mbedtls: fix memory leak in mpi_miller_rabin()")
2d6644ee0bbe ("libmedtls: mpi_miller_rabin: increase count limit")
d831db4c238a ("libmbedtls: add mbedtls_mpi_init_mempool()")
df0f4886b663 ("libmbedtls: make mbedtls_mpi_mont*() available")
7b0792062b65 ("libmbedtls: refine mbedtls license header")
2616e2d9709f ("mbedtls: configure mbedtls to reach for config")
d686ab1c51b7 ("mbedtls: remove default include/mbedtls/config.h")
50a57cfac892 ("Import mbedtls-2.16.0")
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/lib/libmbedtls/mbedtls/library/nist_kw.c b/lib/libmbedtls/mbedtls/library/nist_kw.c
new file mode 100644
index 0000000..4a2c10e
--- /dev/null
+++ b/lib/libmbedtls/mbedtls/library/nist_kw.c
@@ -0,0 +1,755 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+/*
+ * Implementation of NIST SP 800-38F key wrapping, supporting KW and KWP modes
+ * only
+ *
+ * Copyright (C) 2018, Arm Limited (or its affiliates), All Rights Reserved
+ *
+ * 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)
+ */
+/*
+ * Definition of Key Wrapping:
+ * https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-38F.pdf
+ * RFC 3394 "Advanced Encryption Standard (AES) Key Wrap Algorithm"
+ * RFC 5649 "Advanced Encryption Standard (AES) Key Wrap with Padding Algorithm"
+ *
+ * Note: RFC 3394 defines different methodology for intermediate operations for
+ * the wrapping and unwrapping operation than the definition in NIST SP 800-38F.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_NIST_KW_C)
+
+#include "mbedtls/nist_kw.h"
+#include "mbedtls/platform_util.h"
+
+#include <stdint.h>
+#include <string.h>
+
+#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
+#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 && MBEDTLS_AES_C */
+
+#if !defined(MBEDTLS_NIST_KW_ALT)
+
+#define KW_SEMIBLOCK_LENGTH 8
+#define MIN_SEMIBLOCKS_COUNT 3
+
+/* constant-time buffer comparison */
+static inline unsigned char mbedtls_nist_kw_safer_memcmp( const void *a, const void *b, size_t n )
+{
+ size_t i;
+ volatile const unsigned char *A = (volatile const unsigned char *) a;
+ volatile const unsigned char *B = (volatile const unsigned char *) b;
+ volatile unsigned char diff = 0;
+
+ for( i = 0; i < n; i++ )
+ {
+ /* Read volatile data in order before computing diff.
+ * This avoids IAR compiler warning:
+ * 'the order of volatile accesses is undefined ..' */
+ unsigned char x = A[i], y = B[i];
+ diff |= x ^ y;
+ }
+
+ return( diff );
+}
+
+/*! The 64-bit default integrity check value (ICV) for KW mode. */
+static const unsigned char NIST_KW_ICV1[] = {0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6};
+/*! The 32-bit default integrity check value (ICV) for KWP mode. */
+static const unsigned char NIST_KW_ICV2[] = {0xA6, 0x59, 0x59, 0xA6};
+
+#ifndef GET_UINT32_BE
+#define GET_UINT32_BE(n,b,i) \
+do { \
+ (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
+ | ( (uint32_t) (b)[(i) + 1] << 16 ) \
+ | ( (uint32_t) (b)[(i) + 2] << 8 ) \
+ | ( (uint32_t) (b)[(i) + 3] ); \
+} while( 0 )
+#endif
+
+#ifndef PUT_UINT32_BE
+#define PUT_UINT32_BE(n,b,i) \
+do { \
+ (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
+ (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
+ (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
+ (b)[(i) + 3] = (unsigned char) ( (n) ); \
+} while( 0 )
+#endif
+
+/*
+ * Initialize context
+ */
+void mbedtls_nist_kw_init( mbedtls_nist_kw_context *ctx )
+{
+ memset( ctx, 0, sizeof( mbedtls_nist_kw_context ) );
+}
+
+int mbedtls_nist_kw_setkey( mbedtls_nist_kw_context *ctx,
+ mbedtls_cipher_id_t cipher,
+ const unsigned char *key,
+ unsigned int keybits,
+ const int is_wrap )
+{
+ int ret;
+ const mbedtls_cipher_info_t *cipher_info;
+
+ cipher_info = mbedtls_cipher_info_from_values( cipher,
+ keybits,
+ MBEDTLS_MODE_ECB );
+ if( cipher_info == NULL )
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+
+ if( cipher_info->block_size != 16 )
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+
+ /*
+ * SP 800-38F currently defines AES cipher as the only block cipher allowed:
+ * "For KW and KWP, the underlying block cipher shall be approved, and the
+ * block size shall be 128 bits. Currently, the AES block cipher, with key
+ * lengths of 128, 192, or 256 bits, is the only block cipher that fits
+ * this profile."
+ * Currently we don't support other 128 bit block ciphers for key wrapping,
+ * such as Camellia and Aria.
+ */
+ if( cipher != MBEDTLS_CIPHER_ID_AES )
+ return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
+
+ mbedtls_cipher_free( &ctx->cipher_ctx );
+
+ if( ( ret = mbedtls_cipher_setup( &ctx->cipher_ctx, cipher_info ) ) != 0 )
+ return( ret );
+
+ if( ( ret = mbedtls_cipher_setkey( &ctx->cipher_ctx, key, keybits,
+ is_wrap ? MBEDTLS_ENCRYPT :
+ MBEDTLS_DECRYPT )
+ ) != 0 )
+ {
+ return( ret );
+ }
+
+ return( 0 );
+}
+
+/*
+ * Free context
+ */
+void mbedtls_nist_kw_free( mbedtls_nist_kw_context *ctx )
+{
+ mbedtls_cipher_free( &ctx->cipher_ctx );
+ mbedtls_platform_zeroize( ctx, sizeof( mbedtls_nist_kw_context ) );
+}
+
+/*
+ * Helper function for Xoring the uint64_t "t" with the encrypted A.
+ * Defined in NIST SP 800-38F section 6.1
+ */
+static void calc_a_xor_t( unsigned char A[KW_SEMIBLOCK_LENGTH], uint64_t t )
+{
+ size_t i = 0;
+ for( i = 0; i < sizeof( t ); i++ )
+ {
+ A[i] ^= ( t >> ( ( sizeof( t ) - 1 - i ) * 8 ) ) & 0xff;
+ }
+}
+
+/*
+ * KW-AE as defined in SP 800-38F section 6.2
+ * KWP-AE as defined in SP 800-38F section 6.3
+ */
+int mbedtls_nist_kw_wrap( mbedtls_nist_kw_context *ctx,
+ mbedtls_nist_kw_mode_t mode,
+ const unsigned char *input, size_t in_len,
+ unsigned char *output, size_t *out_len, size_t out_size )
+{
+ int ret = 0;
+ size_t semiblocks = 0;
+ size_t s;
+ size_t olen, padlen = 0;
+ uint64_t t = 0;
+ unsigned char outbuff[KW_SEMIBLOCK_LENGTH * 2];
+ unsigned char inbuff[KW_SEMIBLOCK_LENGTH * 2];
+ unsigned char *R2 = output + KW_SEMIBLOCK_LENGTH;
+ unsigned char *A = output;
+
+ *out_len = 0;
+ /*
+ * Generate the String to work on
+ */
+ if( mode == MBEDTLS_KW_MODE_KW )
+ {
+ if( out_size < in_len + KW_SEMIBLOCK_LENGTH )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ /*
+ * According to SP 800-38F Table 1, the plaintext length for KW
+ * must be between 2 to 2^54-1 semiblocks inclusive.
+ */
+ if( in_len < 16 ||
+#if SIZE_MAX > 0x1FFFFFFFFFFFFF8
+ in_len > 0x1FFFFFFFFFFFFF8 ||
+#endif
+ in_len % KW_SEMIBLOCK_LENGTH != 0 )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ memcpy( output, NIST_KW_ICV1, KW_SEMIBLOCK_LENGTH );
+ memmove( output + KW_SEMIBLOCK_LENGTH, input, in_len );
+ }
+ else
+ {
+ if( in_len % 8 != 0 )
+ {
+ padlen = ( 8 - ( in_len % 8 ) );
+ }
+
+ if( out_size < in_len + KW_SEMIBLOCK_LENGTH + padlen )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ /*
+ * According to SP 800-38F Table 1, the plaintext length for KWP
+ * must be between 1 and 2^32-1 octets inclusive.
+ */
+ if( in_len < 1
+#if SIZE_MAX > 0xFFFFFFFF
+ || in_len > 0xFFFFFFFF
+#endif
+ )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ memcpy( output, NIST_KW_ICV2, KW_SEMIBLOCK_LENGTH / 2 );
+ PUT_UINT32_BE( ( in_len & 0xffffffff ), output,
+ KW_SEMIBLOCK_LENGTH / 2 );
+
+ memcpy( output + KW_SEMIBLOCK_LENGTH, input, in_len );
+ memset( output + KW_SEMIBLOCK_LENGTH + in_len, 0, padlen );
+ }
+ semiblocks = ( ( in_len + padlen ) / KW_SEMIBLOCK_LENGTH ) + 1;
+
+ s = 6 * ( semiblocks - 1 );
+
+ if( mode == MBEDTLS_KW_MODE_KWP
+ && in_len <= KW_SEMIBLOCK_LENGTH )
+ {
+ memcpy( inbuff, output, 16 );
+ ret = mbedtls_cipher_update( &ctx->cipher_ctx,
+ inbuff, 16, output, &olen );
+ if( ret != 0 )
+ goto cleanup;
+ }
+ else
+ {
+ /*
+ * Do the wrapping function W, as defined in RFC 3394 section 2.2.1
+ */
+ if( semiblocks < MIN_SEMIBLOCKS_COUNT )
+ {
+ ret = MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA;
+ goto cleanup;
+ }
+
+ /* Calculate intermediate values */
+ for( t = 1; t <= s; t++ )
+ {
+ memcpy( inbuff, A, KW_SEMIBLOCK_LENGTH );
+ memcpy( inbuff + KW_SEMIBLOCK_LENGTH, R2, KW_SEMIBLOCK_LENGTH );
+
+ ret = mbedtls_cipher_update( &ctx->cipher_ctx,
+ inbuff, 16, outbuff, &olen );
+ if( ret != 0 )
+ goto cleanup;
+
+ memcpy( A, outbuff, KW_SEMIBLOCK_LENGTH );
+ calc_a_xor_t( A, t );
+
+ memcpy( R2, outbuff + KW_SEMIBLOCK_LENGTH, KW_SEMIBLOCK_LENGTH );
+ R2 += KW_SEMIBLOCK_LENGTH;
+ if( R2 >= output + ( semiblocks * KW_SEMIBLOCK_LENGTH ) )
+ R2 = output + KW_SEMIBLOCK_LENGTH;
+ }
+ }
+
+ *out_len = semiblocks * KW_SEMIBLOCK_LENGTH;
+
+cleanup:
+
+ if( ret != 0)
+ {
+ memset( output, 0, semiblocks * KW_SEMIBLOCK_LENGTH );
+ }
+ mbedtls_platform_zeroize( inbuff, KW_SEMIBLOCK_LENGTH * 2 );
+ mbedtls_platform_zeroize( outbuff, KW_SEMIBLOCK_LENGTH * 2 );
+
+ return( ret );
+}
+
+/*
+ * W-1 function as defined in RFC 3394 section 2.2.2
+ * This function assumes the following:
+ * 1. Output buffer is at least of size ( semiblocks - 1 ) * KW_SEMIBLOCK_LENGTH.
+ * 2. The input buffer is of size semiblocks * KW_SEMIBLOCK_LENGTH.
+ * 3. Minimal number of semiblocks is 3.
+ * 4. A is a buffer to hold the first semiblock of the input buffer.
+ */
+static int unwrap( mbedtls_nist_kw_context *ctx,
+ const unsigned char *input, size_t semiblocks,
+ unsigned char A[KW_SEMIBLOCK_LENGTH],
+ unsigned char *output, size_t* out_len )
+{
+ int ret = 0;
+ const size_t s = 6 * ( semiblocks - 1 );
+ size_t olen;
+ uint64_t t = 0;
+ unsigned char outbuff[KW_SEMIBLOCK_LENGTH * 2];
+ unsigned char inbuff[KW_SEMIBLOCK_LENGTH * 2];
+ unsigned char *R = output + ( semiblocks - 2 ) * KW_SEMIBLOCK_LENGTH;
+ *out_len = 0;
+
+ if( semiblocks < MIN_SEMIBLOCKS_COUNT )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ memcpy( A, input, KW_SEMIBLOCK_LENGTH );
+ memmove( output, input + KW_SEMIBLOCK_LENGTH, ( semiblocks - 1 ) * KW_SEMIBLOCK_LENGTH );
+
+ /* Calculate intermediate values */
+ for( t = s; t >= 1; t-- )
+ {
+ calc_a_xor_t( A, t );
+
+ memcpy( inbuff, A, KW_SEMIBLOCK_LENGTH );
+ memcpy( inbuff + KW_SEMIBLOCK_LENGTH, R, KW_SEMIBLOCK_LENGTH );
+
+ ret = mbedtls_cipher_update( &ctx->cipher_ctx,
+ inbuff, 16, outbuff, &olen );
+ if( ret != 0 )
+ goto cleanup;
+
+ memcpy( A, outbuff, KW_SEMIBLOCK_LENGTH );
+
+ /* Set R as LSB64 of outbuff */
+ memcpy( R, outbuff + KW_SEMIBLOCK_LENGTH, KW_SEMIBLOCK_LENGTH );
+
+ if( R == output )
+ R = output + ( semiblocks - 2 ) * KW_SEMIBLOCK_LENGTH;
+ else
+ R -= KW_SEMIBLOCK_LENGTH;
+ }
+
+ *out_len = ( semiblocks - 1 ) * KW_SEMIBLOCK_LENGTH;
+
+cleanup:
+ if( ret != 0)
+ memset( output, 0, ( semiblocks - 1 ) * KW_SEMIBLOCK_LENGTH );
+ mbedtls_platform_zeroize( inbuff, sizeof( inbuff ) );
+ mbedtls_platform_zeroize( outbuff, sizeof( outbuff ) );
+
+ return( ret );
+}
+
+/*
+ * KW-AD as defined in SP 800-38F section 6.2
+ * KWP-AD as defined in SP 800-38F section 6.3
+ */
+int mbedtls_nist_kw_unwrap( mbedtls_nist_kw_context *ctx,
+ mbedtls_nist_kw_mode_t mode,
+ const unsigned char *input, size_t in_len,
+ unsigned char *output, size_t *out_len, size_t out_size )
+{
+ int ret = 0;
+ size_t i, olen;
+ unsigned char A[KW_SEMIBLOCK_LENGTH];
+ unsigned char diff, bad_padding = 0;
+
+ *out_len = 0;
+ if( out_size < in_len - KW_SEMIBLOCK_LENGTH )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ if( mode == MBEDTLS_KW_MODE_KW )
+ {
+ /*
+ * According to SP 800-38F Table 1, the ciphertext length for KW
+ * must be between 3 to 2^54 semiblocks inclusive.
+ */
+ if( in_len < 24 ||
+#if SIZE_MAX > 0x200000000000000
+ in_len > 0x200000000000000 ||
+#endif
+ in_len % KW_SEMIBLOCK_LENGTH != 0 )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ ret = unwrap( ctx, input, in_len / KW_SEMIBLOCK_LENGTH,
+ A, output, out_len );
+ if( ret != 0 )
+ goto cleanup;
+
+ /* Check ICV in "constant-time" */
+ diff = mbedtls_nist_kw_safer_memcmp( NIST_KW_ICV1, A, KW_SEMIBLOCK_LENGTH );
+
+ if( diff != 0 )
+ {
+ ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
+ goto cleanup;
+ }
+
+ }
+ else if( mode == MBEDTLS_KW_MODE_KWP )
+ {
+ size_t padlen = 0;
+ uint32_t Plen;
+ /*
+ * According to SP 800-38F Table 1, the ciphertext length for KWP
+ * must be between 2 to 2^29 semiblocks inclusive.
+ */
+ if( in_len < KW_SEMIBLOCK_LENGTH * 2 ||
+#if SIZE_MAX > 0x100000000
+ in_len > 0x100000000 ||
+#endif
+ in_len % KW_SEMIBLOCK_LENGTH != 0 )
+ {
+ return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+ }
+
+ if( in_len == KW_SEMIBLOCK_LENGTH * 2 )
+ {
+ unsigned char outbuff[KW_SEMIBLOCK_LENGTH * 2];
+ ret = mbedtls_cipher_update( &ctx->cipher_ctx,
+ input, 16, outbuff, &olen );
+ if( ret != 0 )
+ goto cleanup;
+
+ memcpy( A, outbuff, KW_SEMIBLOCK_LENGTH );
+ memcpy( output, outbuff + KW_SEMIBLOCK_LENGTH, KW_SEMIBLOCK_LENGTH );
+ mbedtls_platform_zeroize( outbuff, sizeof( outbuff ) );
+ *out_len = KW_SEMIBLOCK_LENGTH;
+ }
+ else
+ {
+ /* in_len >= KW_SEMIBLOCK_LENGTH * 3 */
+ ret = unwrap( ctx, input, in_len / KW_SEMIBLOCK_LENGTH,
+ A, output, out_len );
+ if( ret != 0 )
+ goto cleanup;
+ }
+
+ /* Check ICV in "constant-time" */
+ diff = mbedtls_nist_kw_safer_memcmp( NIST_KW_ICV2, A, KW_SEMIBLOCK_LENGTH / 2 );
+
+ if( diff != 0 )
+ {
+ ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
+ }
+
+ GET_UINT32_BE( Plen, A, KW_SEMIBLOCK_LENGTH / 2 );
+
+ /*
+ * Plen is the length of the plaintext, when the input is valid.
+ * If Plen is larger than the plaintext and padding, padlen will be
+ * larger than 8, because of the type wrap around.
+ */
+ padlen = in_len - KW_SEMIBLOCK_LENGTH - Plen;
+ if ( padlen > 7 )
+ {
+ padlen &= 7;
+ ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
+ }
+
+ /* Check padding in "constant-time" */
+ for( diff = 0, i = 0; i < KW_SEMIBLOCK_LENGTH; i++ )
+ {
+ if( i >= KW_SEMIBLOCK_LENGTH - padlen )
+ diff |= output[*out_len - KW_SEMIBLOCK_LENGTH + i];
+ else
+ bad_padding |= output[*out_len - KW_SEMIBLOCK_LENGTH + i];
+ }
+
+ if( diff != 0 )
+ {
+ ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
+ }
+
+ if( ret != 0 )
+ {
+ goto cleanup;
+ }
+ memset( output + Plen, 0, padlen );
+ *out_len = Plen;
+ }
+ else
+ {
+ ret = MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE;
+ goto cleanup;
+ }
+
+cleanup:
+ if( ret != 0 )
+ {
+ memset( output, 0, *out_len );
+ *out_len = 0;
+ }
+
+ mbedtls_platform_zeroize( &bad_padding, sizeof( bad_padding) );
+ mbedtls_platform_zeroize( &diff, sizeof( diff ) );
+ mbedtls_platform_zeroize( A, sizeof( A ) );
+
+ return( ret );
+}
+
+#endif /* !MBEDTLS_NIST_KW_ALT */
+
+#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
+
+#define KW_TESTS 3
+
+/*
+ * Test vectors taken from NIST
+ * https://csrc.nist.gov/Projects/Cryptographic-Algorithm-Validation-Program/CAVP-TESTING-BLOCK-CIPHER-MODES#KW
+ */
+static const unsigned int key_len[KW_TESTS] = { 16, 24, 32 };
+
+static const unsigned char kw_key[KW_TESTS][32] = {
+ { 0x75, 0x75, 0xda, 0x3a, 0x93, 0x60, 0x7c, 0xc2,
+ 0xbf, 0xd8, 0xce, 0xc7, 0xaa, 0xdf, 0xd9, 0xa6 },
+ { 0x2d, 0x85, 0x26, 0x08, 0x1d, 0x02, 0xfb, 0x5b,
+ 0x85, 0xf6, 0x9a, 0xc2, 0x86, 0xec, 0xd5, 0x7d,
+ 0x40, 0xdf, 0x5d, 0xf3, 0x49, 0x47, 0x44, 0xd3 },
+ { 0x11, 0x2a, 0xd4, 0x1b, 0x48, 0x56, 0xc7, 0x25,
+ 0x4a, 0x98, 0x48, 0xd3, 0x0f, 0xdd, 0x78, 0x33,
+ 0x5b, 0x03, 0x9a, 0x48, 0xa8, 0x96, 0x2c, 0x4d,
+ 0x1c, 0xb7, 0x8e, 0xab, 0xd5, 0xda, 0xd7, 0x88 }
+};
+
+static const unsigned char kw_msg[KW_TESTS][40] = {
+ { 0x42, 0x13, 0x6d, 0x3c, 0x38, 0x4a, 0x3e, 0xea,
+ 0xc9, 0x5a, 0x06, 0x6f, 0xd2, 0x8f, 0xed, 0x3f },
+ { 0x95, 0xc1, 0x1b, 0xf5, 0x35, 0x3a, 0xfe, 0xdb,
+ 0x98, 0xfd, 0xd6, 0xc8, 0xca, 0x6f, 0xdb, 0x6d,
+ 0xa5, 0x4b, 0x74, 0xb4, 0x99, 0x0f, 0xdc, 0x45,
+ 0xc0, 0x9d, 0x15, 0x8f, 0x51, 0xce, 0x62, 0x9d,
+ 0xe2, 0xaf, 0x26, 0xe3, 0x25, 0x0e, 0x6b, 0x4c },
+ { 0x1b, 0x20, 0xbf, 0x19, 0x90, 0xb0, 0x65, 0xd7,
+ 0x98, 0xe1, 0xb3, 0x22, 0x64, 0xad, 0x50, 0xa8,
+ 0x74, 0x74, 0x92, 0xba, 0x09, 0xa0, 0x4d, 0xd1 }
+};
+
+static const size_t kw_msg_len[KW_TESTS] = { 16, 40, 24 };
+static const size_t kw_out_len[KW_TESTS] = { 24, 48, 32 };
+static const unsigned char kw_res[KW_TESTS][48] = {
+ { 0x03, 0x1f, 0x6b, 0xd7, 0xe6, 0x1e, 0x64, 0x3d,
+ 0xf6, 0x85, 0x94, 0x81, 0x6f, 0x64, 0xca, 0xa3,
+ 0xf5, 0x6f, 0xab, 0xea, 0x25, 0x48, 0xf5, 0xfb },
+ { 0x44, 0x3c, 0x6f, 0x15, 0x09, 0x83, 0x71, 0x91,
+ 0x3e, 0x5c, 0x81, 0x4c, 0xa1, 0xa0, 0x42, 0xec,
+ 0x68, 0x2f, 0x7b, 0x13, 0x6d, 0x24, 0x3a, 0x4d,
+ 0x6c, 0x42, 0x6f, 0xc6, 0x97, 0x15, 0x63, 0xe8,
+ 0xa1, 0x4a, 0x55, 0x8e, 0x09, 0x64, 0x16, 0x19,
+ 0xbf, 0x03, 0xfc, 0xaf, 0x90, 0xb1, 0xfc, 0x2d },
+ { 0xba, 0x8a, 0x25, 0x9a, 0x47, 0x1b, 0x78, 0x7d,
+ 0xd5, 0xd5, 0x40, 0xec, 0x25, 0xd4, 0x3d, 0x87,
+ 0x20, 0x0f, 0xda, 0xdc, 0x6d, 0x1f, 0x05, 0xd9,
+ 0x16, 0x58, 0x4f, 0xa9, 0xf6, 0xcb, 0xf5, 0x12 }
+};
+
+static const unsigned char kwp_key[KW_TESTS][32] = {
+ { 0x78, 0x65, 0xe2, 0x0f, 0x3c, 0x21, 0x65, 0x9a,
+ 0xb4, 0x69, 0x0b, 0x62, 0x9c, 0xdf, 0x3c, 0xc4 },
+ { 0xf5, 0xf8, 0x96, 0xa3, 0xbd, 0x2f, 0x4a, 0x98,
+ 0x23, 0xef, 0x16, 0x2b, 0x00, 0xb8, 0x05, 0xd7,
+ 0xde, 0x1e, 0xa4, 0x66, 0x26, 0x96, 0xa2, 0x58 },
+ { 0x95, 0xda, 0x27, 0x00, 0xca, 0x6f, 0xd9, 0xa5,
+ 0x25, 0x54, 0xee, 0x2a, 0x8d, 0xf1, 0x38, 0x6f,
+ 0x5b, 0x94, 0xa1, 0xa6, 0x0e, 0xd8, 0xa4, 0xae,
+ 0xf6, 0x0a, 0x8d, 0x61, 0xab, 0x5f, 0x22, 0x5a }
+};
+
+static const unsigned char kwp_msg[KW_TESTS][31] = {
+ { 0xbd, 0x68, 0x43, 0xd4, 0x20, 0x37, 0x8d, 0xc8,
+ 0x96 },
+ { 0x6c, 0xcd, 0xd5, 0x85, 0x18, 0x40, 0x97, 0xeb,
+ 0xd5, 0xc3, 0xaf, 0x3e, 0x47, 0xd0, 0x2c, 0x19,
+ 0x14, 0x7b, 0x4d, 0x99, 0x5f, 0x96, 0x43, 0x66,
+ 0x91, 0x56, 0x75, 0x8c, 0x13, 0x16, 0x8f },
+ { 0xd1 }
+};
+static const size_t kwp_msg_len[KW_TESTS] = { 9, 31, 1 };
+
+static const unsigned char kwp_res[KW_TESTS][48] = {
+ { 0x41, 0xec, 0xa9, 0x56, 0xd4, 0xaa, 0x04, 0x7e,
+ 0xb5, 0xcf, 0x4e, 0xfe, 0x65, 0x96, 0x61, 0xe7,
+ 0x4d, 0xb6, 0xf8, 0xc5, 0x64, 0xe2, 0x35, 0x00 },
+ { 0x4e, 0x9b, 0xc2, 0xbc, 0xbc, 0x6c, 0x1e, 0x13,
+ 0xd3, 0x35, 0xbc, 0xc0, 0xf7, 0x73, 0x6a, 0x88,
+ 0xfa, 0x87, 0x53, 0x66, 0x15, 0xbb, 0x8e, 0x63,
+ 0x8b, 0xcc, 0x81, 0x66, 0x84, 0x68, 0x17, 0x90,
+ 0x67, 0xcf, 0xa9, 0x8a, 0x9d, 0x0e, 0x33, 0x26 },
+ { 0x06, 0xba, 0x7a, 0xe6, 0xf3, 0x24, 0x8c, 0xfd,
+ 0xcf, 0x26, 0x75, 0x07, 0xfa, 0x00, 0x1b, 0xc4 }
+};
+static const size_t kwp_out_len[KW_TESTS] = { 24, 40, 16 };
+
+int mbedtls_nist_kw_self_test( int verbose )
+{
+ mbedtls_nist_kw_context ctx;
+ unsigned char out[48];
+ size_t olen;
+ int i;
+ int ret = 0;
+ mbedtls_nist_kw_init( &ctx );
+
+ for( i = 0; i < KW_TESTS; i++ )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( " KW-AES-%u ", (unsigned int) key_len[i] * 8 );
+
+ ret = mbedtls_nist_kw_setkey( &ctx, MBEDTLS_CIPHER_ID_AES,
+ kw_key[i], key_len[i] * 8, 1 );
+ if( ret != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( " KW: setup failed " );
+
+ goto end;
+ }
+
+ ret = mbedtls_nist_kw_wrap( &ctx, MBEDTLS_KW_MODE_KW, kw_msg[i],
+ kw_msg_len[i], out, &olen, sizeof( out ) );
+ if( ret != 0 || kw_out_len[i] != olen ||
+ memcmp( out, kw_res[i], kw_out_len[i] ) != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( "failed. ");
+
+ ret = 1;
+ goto end;
+ }
+
+ if( ( ret = mbedtls_nist_kw_setkey( &ctx, MBEDTLS_CIPHER_ID_AES,
+ kw_key[i], key_len[i] * 8, 0 ) )
+ != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( " KW: setup failed ");
+
+ goto end;
+ }
+
+ ret = mbedtls_nist_kw_unwrap( &ctx, MBEDTLS_KW_MODE_KW,
+ out, olen, out, &olen, sizeof( out ) );
+
+ if( ret != 0 || olen != kw_msg_len[i] ||
+ memcmp( out, kw_msg[i], kw_msg_len[i] ) != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( "failed\n" );
+
+ ret = 1;
+ goto end;
+ }
+
+ if( verbose != 0 )
+ mbedtls_printf( " passed\n" );
+ }
+
+ for( i = 0; i < KW_TESTS; i++ )
+ {
+ olen = sizeof( out );
+ if( verbose != 0 )
+ mbedtls_printf( " KWP-AES-%u ", (unsigned int) key_len[i] * 8 );
+
+ ret = mbedtls_nist_kw_setkey( &ctx, MBEDTLS_CIPHER_ID_AES, kwp_key[i],
+ key_len[i] * 8, 1 );
+ if( ret != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( " KWP: setup failed " );
+
+ goto end;
+ }
+ ret = mbedtls_nist_kw_wrap( &ctx, MBEDTLS_KW_MODE_KWP, kwp_msg[i],
+ kwp_msg_len[i], out, &olen, sizeof( out ) );
+
+ if( ret != 0 || kwp_out_len[i] != olen ||
+ memcmp( out, kwp_res[i], kwp_out_len[i] ) != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( "failed. ");
+
+ ret = 1;
+ goto end;
+ }
+
+ if( ( ret = mbedtls_nist_kw_setkey( &ctx, MBEDTLS_CIPHER_ID_AES,
+ kwp_key[i], key_len[i] * 8, 0 ) )
+ != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( " KWP: setup failed ");
+
+ goto end;
+ }
+
+ ret = mbedtls_nist_kw_unwrap( &ctx, MBEDTLS_KW_MODE_KWP, out,
+ olen, out, &olen, sizeof( out ) );
+
+ if( ret != 0 || olen != kwp_msg_len[i] ||
+ memcmp( out, kwp_msg[i], kwp_msg_len[i] ) != 0 )
+ {
+ if( verbose != 0 )
+ mbedtls_printf( "failed. ");
+
+ ret = 1;
+ goto end;
+ }
+
+ if( verbose != 0 )
+ mbedtls_printf( " passed\n" );
+ }
+end:
+ mbedtls_nist_kw_free( &ctx );
+
+ if( verbose != 0 )
+ mbedtls_printf( "\n" );
+
+ return( ret );
+}
+
+#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
+
+#endif /* MBEDTLS_NIST_KW_C */