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Merged current cipher enhancements for ARC4 and AES-GCM

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This commit is contained in:
Paul Bakker 2013-09-01 15:49:38 +02:00
commit eb851f6cd5
14 changed files with 544 additions and 93 deletions
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27
include/polarssl/cipher.h
View File

@ -95,7 +95,6 @@ typedef enum {
typedef enum {
POLARSSL_MODE_NONE = 0,
POLARSSL_MODE_NULL,
POLARSSL_MODE_CBC,
POLARSSL_MODE_CFB,
POLARSSL_MODE_OFB,
@ -151,6 +150,10 @@ typedef struct {
int (*ctr_func)( void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter,
unsigned char *stream_block, const unsigned char *input, unsigned char *output );
/** Encrypt using STREAM */
int (*stream_func)( void *ctx, size_t length,
const unsigned char *input, unsigned char *output );
/** Set key for encryption purposes */
int (*setkey_enc_func)( void *ctx, const unsigned char *key, unsigned int key_length);
@ -317,7 +320,7 @@ static inline cipher_mode_t cipher_get_cipher_mode( const cipher_context_t *ctx
* \param ctx cipher's context. Must have been initialised.
*
* \return size of the cipher's IV, or 0 if ctx has not been
* initialised.
* initialised or accepts IV of various sizes.
*/
static inline int cipher_get_iv_size( const cipher_context_t *ctx )
{
@ -429,11 +432,18 @@ int cipher_set_padding_mode( cipher_context_t *ctx, cipher_padding_t mode );
*
* \param ctx generic cipher context
* \param iv IV to use or NONCE_COUNTER in the case of a CTR-mode cipher
* \param iv_len IV length for ciphers with variable-size IV,
* Discared by ciphers with fixed-size IV.
* \param ad Additional data for AEAD ciphers, or discarded.
* May be NULL only if ad_len is 0.
* \param ad_len Length of ad for AEAD ciphers, or discarded.
*
* \returns 0 on success, POLARSSL_ERR_CIPHER_BAD_INPUT_DATA
* if parameter verification fails.
*/
int cipher_reset( cipher_context_t *ctx, const unsigned char *iv );
int cipher_reset( cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len );
/**
* \brief Generic cipher update function. Encrypts/decrypts
@ -468,8 +478,13 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
* the last block, and written to the output buffer.
*
* \param ctx Generic cipher context
* \param output buffer to write data to. Needs block_size data available.
* \param output buffer to write data to. Needs block_size available.
* \param olen length of the data written to the output buffer.
* \param tag Ignore by non-AEAD ciphers. For AEAD ciphers:
* - on encryption: buffer to write the tag;
* - on decryption: tag to verify.
* May be NULL if tag_len is zero.
* \param tag_len Length of the tag to write/check for AEAD ciphers.
*
* \returns 0 on success, POLARSSL_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails,
@ -478,7 +493,9 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
* POLARSSL_ERR_CIPHER_INVALID_PADDING on invalid padding
* while decrypting or a cipher specific error code.
*/
int cipher_finish( cipher_context_t *ctx, unsigned char *output, size_t *olen);
int cipher_finish( cipher_context_t *ctx,
unsigned char *output, size_t *olen,
unsigned char *tag, size_t tag_len );
/**
* \brief Checkup routine

6
include/polarssl/gcm.h
View File

@ -146,7 +146,7 @@ int gcm_auth_decrypt( gcm_context *ctx,
* \param mode GCM_ENCRYPT or GCM_DECRYPT
* \param iv initialization vector
* \param iv_len length of IV
* \param add additional data
* \param add additional data (or NULL if length is 0)
* \param add_len length of additional data
*
* \return 0 if successful
@ -182,11 +182,11 @@ int gcm_update( gcm_context *ctx,
/**
* \brief Generic GCM finalisation function. Wraps up the GCM stream
* and generated the tag. The tag can have a maximum length of
* and generates the tag. The tag can have a maximum length of
* 16 bytes.
*
* \param ctx GCM context
* \param tag buffer for holding the tag
* \param tag buffer for holding the tag (may be NULL if tag_len is 0)
* \param tag_len length of the tag to generate
*
* \return 0 if successful or POLARSSL_ERR_GCM_BAD_INPUT

147
library/cipher.c
View File

@ -34,8 +34,16 @@
#include "polarssl/cipher.h"
#include "polarssl/cipher_wrap.h"
#if defined(POLARSSL_GCM_C)
#include "polarssl/gcm.h"
#endif
#include <stdlib.h>
#if defined(POLARSSL_ARC4_C) || defined(POLARSSL_CIPHER_NULL_CIPHER)
#define POLARSSL_CIPHER_MODE_STREAM
#endif
#if defined _MSC_VER && !defined strcasecmp
#define strcasecmp _stricmp
#endif
@ -61,6 +69,10 @@ static const int supported_ciphers[] = {
#endif /* defined(POLARSSL_AES_C) */
#if defined(POLARSSL_ARC4_C)
POLARSSL_CIPHER_ARC4_128,
#endif
#if defined(POLARSSL_CAMELLIA_C)
POLARSSL_CIPHER_CAMELLIA_128_CBC,
POLARSSL_CIPHER_CAMELLIA_192_CBC,
@ -277,6 +289,18 @@ const cipher_info_t *cipher_info_from_string( const char *cipher_name )
if( !strcasecmp( "AES-256-CTR", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_AES_256_CTR );
#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
#if defined(POLARSSL_GCM_C)
if( !strcasecmp( "AES-128-GCM", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_AES_128_GCM );
if( !strcasecmp( "AES-256-GCM", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_AES_256_GCM );
#endif
#endif /* POLARSSL_AES_C */
#if defined(POLARSSL_ARC4_C)
if( !strcasecmp( "ARC4-128", cipher_name ) )
return( cipher_info_from_type( POLARSSL_CIPHER_ARC4_128 ) );
#endif
#if defined(POLARSSL_DES_C)
@ -354,11 +378,6 @@ int cipher_setkey( cipher_context_t *ctx, const unsigned char *key,
ctx->key_length = key_length;
ctx->operation = operation;
#if defined(POLARSSL_CIPHER_NULL_CIPHER)
if( ctx->cipher_info->mode == POLARSSL_MODE_NULL )
return 0;
#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */
/*
* For CFB and CTR mode always use the encryption key schedule
*/
@ -377,13 +396,27 @@ int cipher_setkey( cipher_context_t *ctx, const unsigned char *key,
return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA;
}
int cipher_reset( cipher_context_t *ctx, const unsigned char *iv )
int cipher_reset( cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len )
{
if( NULL == ctx || NULL == ctx->cipher_info || NULL == iv )
return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA;
ctx->unprocessed_len = 0;
#if defined(POLARSSL_GCM_C)
if( POLARSSL_MODE_GCM == ctx->cipher_info->mode )
{
return gcm_starts( ctx->cipher_ctx, ctx->operation,
iv, iv_len, ad, ad_len );
}
#else
((void) ad);
((void) ad_len);
((void) iv_len);
#endif
memcpy( ctx->iv, iv, cipher_get_iv_size( ctx ) );
return 0;
@ -408,20 +441,8 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA;
}
#if defined(POLARSSL_CIPHER_NULL_CIPHER)
if( ctx->cipher_info->mode == POLARSSL_MODE_NULL )
{
*olen = ilen;
if( output == input )
return( 0 );
memcpy( output, input, ilen );
return 0;
}
#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */
if( ctx->cipher_info->mode == POLARSSL_MODE_CBC )
if( ctx->cipher_info->mode == POLARSSL_MODE_CBC ||
ctx->cipher_info->mode == POLARSSL_MODE_GCM )
{
/*
* If there is not enough data for a full block, cache it.
@ -448,6 +469,18 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input,
copy_len );
#if defined(POLARSSL_GCM_C)
if( ctx->cipher_info->mode == POLARSSL_MODE_GCM )
{
if( 0 != ( ret = gcm_update( ctx->cipher_ctx,
cipher_get_block_size( ctx ),
ctx->unprocessed_data, output ) ) )
{
return ret;
}
}
else
#endif
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
ctx->operation, cipher_get_block_size( ctx ), ctx->iv,
ctx->unprocessed_data, output ) ) )
@ -484,11 +517,23 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
*/
if( ilen )
{
#if defined(POLARSSL_GCM_C)
if( ctx->cipher_info->mode == POLARSSL_MODE_GCM )
{
if( 0 != ( ret = gcm_update( ctx->cipher_ctx,
ilen, input, output ) ) )
{
return ret;
}
}
else
#endif
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
ctx->operation, ilen, ctx->iv, input, output ) ) )
{
return ret;
}
*olen += ilen;
}
@ -527,6 +572,21 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
}
#endif
#if defined(POLARSSL_CIPHER_MODE_STREAM)
if( ctx->cipher_info->mode == POLARSSL_MODE_STREAM )
{
if( 0 != ( ret = ctx->cipher_info->base->stream_func( ctx->cipher_ctx,
ilen, input, output ) ) )
{
return ret;
}
*olen = ilen;
return 0;
}
#endif
return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE;
}
@ -686,7 +746,9 @@ static int get_no_padding( unsigned char *input, size_t input_len,
return 0;
}
int cipher_finish( cipher_context_t *ctx, unsigned char *output, size_t *olen)
int cipher_finish( cipher_context_t *ctx,
unsigned char *output, size_t *olen,
unsigned char *tag, size_t tag_len )
{
int ret = 0;
@ -697,11 +759,52 @@ int cipher_finish( cipher_context_t *ctx, unsigned char *output, size_t *olen)
if( POLARSSL_MODE_CFB == ctx->cipher_info->mode ||
POLARSSL_MODE_CTR == ctx->cipher_info->mode ||
POLARSSL_MODE_NULL == ctx->cipher_info->mode )
POLARSSL_MODE_STREAM == ctx->cipher_info->mode )
{
return 0;
}
#if defined(POLARSSL_GCM_C)
if( POLARSSL_MODE_GCM == ctx->cipher_info->mode )
{
unsigned char check_tag[16];
size_t i;
int diff;
if( 0 != ( ret = gcm_update( ctx->cipher_ctx,
ctx->unprocessed_len, ctx->unprocessed_data,
output ) ) )
{
return( ret );
}
*olen += ctx->unprocessed_len;
if( 0 != ( ret = gcm_finish( ctx->cipher_ctx, check_tag, tag_len ) ) )
return( ret );
/* On encryption, write the tag */
if( POLARSSL_ENCRYPT == ctx->operation )
{
if( tag_len != 0 )
memcpy( tag, check_tag, tag_len );
return( 0 );
}
/* On decryption, check the tag (in "constant-time") */
for( diff = 0, i = 0; i < tag_len; i++ )
diff |= tag[i] ^ check_tag[i];
if( diff != 0 )
return( POLARSSL_ERR_GCM_AUTH_FAILED );
return( 0 );
}
#else
((void) tag);
((void) tag_len);
#endif
if( POLARSSL_MODE_CBC == ctx->cipher_info->mode )
{
if( POLARSSL_ENCRYPT == ctx->operation )

111
library/cipher_wrap.c
View File

@ -37,6 +37,10 @@
#include "polarssl/aes.h"
#endif
#if defined(POLARSSL_ARC4_C)
#include "polarssl/arc4.h"
#endif
#if defined(POLARSSL_CAMELLIA_C)
#include "polarssl/camellia.h"
#endif
@ -49,6 +53,10 @@
#include "polarssl/blowfish.h"
#endif
#if defined(POLARSSL_GCM_C)
#include "polarssl/gcm.h"
#endif
#if defined(POLARSSL_MEMORY_C)
#include "polarssl/memory.h"
#else
@ -129,6 +137,7 @@ const cipher_base_t aes_info = {
aes_crypt_cbc_wrap,
aes_crypt_cfb128_wrap,
aes_crypt_ctr_wrap,
NULL,
aes_setkey_enc_wrap,
aes_setkey_dec_wrap,
aes_ctx_alloc,
@ -230,14 +239,41 @@ const cipher_info_t aes_256_ctr_info = {
#endif /* POLARSSL_CIPHER_MODE_CTR */
#if defined(POLARSSL_GCM_C)
static void *gcm_ctx_alloc( void )
{
return polarssl_malloc( sizeof( gcm_context ) );
}
static void gcm_ctx_free( void *ctx )
{
polarssl_free( ctx );
}
static int gcm_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_length )
{
return gcm_init( (gcm_context *) ctx, key, key_length );
}
const cipher_base_t gcm_aes_info = {
POLARSSL_CIPHER_ID_AES,
NULL,
NULL,
NULL,
NULL,
gcm_setkey_wrap,
gcm_setkey_wrap,
gcm_ctx_alloc,
gcm_ctx_free,
};
const cipher_info_t aes_128_gcm_info = {
POLARSSL_CIPHER_AES_128_GCM,
POLARSSL_MODE_GCM,
128,
"AES-128-GCM",
0,
16,
16,
&aes_info
&gcm_aes_info
};
const cipher_info_t aes_256_gcm_info = {
@ -245,9 +281,9 @@ const cipher_info_t aes_256_gcm_info = {
POLARSSL_MODE_GCM,
256,
"AES-256-GCM",
0,
16,
16,
&aes_info
&gcm_aes_info
};
#endif /* POLARSSL_GCM_C */
@ -324,6 +360,7 @@ const cipher_base_t camellia_info = {
camellia_crypt_cbc_wrap,
camellia_crypt_cfb128_wrap,
camellia_crypt_ctr_wrap,
NULL,
camellia_setkey_enc_wrap,
camellia_setkey_dec_wrap,
camellia_ctx_alloc,
@ -531,6 +568,7 @@ const cipher_base_t des_info = {
des_crypt_cbc_wrap,
des_crypt_cfb128_wrap,
des_crypt_ctr_wrap,
NULL,
des_setkey_enc_wrap,
des_setkey_dec_wrap,
des_ctx_alloc,
@ -552,6 +590,7 @@ const cipher_base_t des_ede_info = {
des3_crypt_cbc_wrap,
des_crypt_cfb128_wrap,
des_crypt_ctr_wrap,
NULL,
des3_set2key_enc_wrap,
des3_set2key_dec_wrap,
des3_ctx_alloc,
@ -573,6 +612,7 @@ const cipher_base_t des_ede3_info = {
des3_crypt_cbc_wrap,
des_crypt_cfb128_wrap,
des_crypt_ctr_wrap,
NULL,
des3_set3key_enc_wrap,
des3_set3key_dec_wrap,
des3_ctx_alloc,
@ -636,12 +676,7 @@ static int blowfish_crypt_ctr_wrap( void *ctx, size_t length,
#endif
}
static int blowfish_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length )
{
return blowfish_setkey( (blowfish_context *) ctx, key, key_length );
}
static int blowfish_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length )
static int blowfish_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_length )
{
return blowfish_setkey( (blowfish_context *) ctx, key, key_length );
}
@ -661,8 +696,9 @@ const cipher_base_t blowfish_info = {
blowfish_crypt_cbc_wrap,
blowfish_crypt_cfb64_wrap,
blowfish_crypt_ctr_wrap,
blowfish_setkey_enc_wrap,
blowfish_setkey_dec_wrap,
NULL,
blowfish_setkey_wrap,
blowfish_setkey_wrap,
blowfish_ctx_alloc,
blowfish_ctx_free
};
@ -703,15 +739,28 @@ const cipher_info_t blowfish_ctr_info = {
#endif /* POLARSSL_BLOWFISH_C */
#if defined(POLARSSL_ARC4_C)
static void * arc4_ctx_alloc( void )
static int arc4_crypt_stream_wrap( void *ctx, size_t length,
const unsigned char *input,
unsigned char *output )
{
return (void *) 1;
return( arc4_crypt( (arc4_context *) ctx, length, input, output ) );
}
static int arc4_setkey_wrap( void *ctx, const unsigned char *key,
unsigned int key_length )
{
arc4_setup( (arc4_context *) ctx, key, key_length );
return( 0 );
}
static void * arc4_ctx_alloc( void )
{
return polarssl_malloc( sizeof( arc4_context ) );
}
static void arc4_ctx_free( void *ctx )
{
((void) ctx);
polarssl_free( ctx );
}
const cipher_base_t arc4_base_info = {
@ -719,8 +768,9 @@ const cipher_base_t arc4_base_info = {
NULL,
NULL,
NULL,
NULL,
NULL,
arc4_crypt_stream_wrap,
arc4_setkey_wrap,
arc4_setkey_wrap,
arc4_ctx_alloc,
arc4_ctx_free
};
@ -737,12 +787,30 @@ const cipher_info_t arc4_128_info = {
#endif /* POLARSSL_ARC4_C */
#if defined(POLARSSL_CIPHER_NULL_CIPHER)
static int null_crypt_stream( void *ctx, size_t length,
const unsigned char *input,
unsigned char *output )
{
((void) ctx);
memmove( output, input, length );
return( 0 );
}
static int null_setkey( void *ctx, const unsigned char *key,
unsigned int key_length )
{
((void) ctx);
((void) key);
((void) key_length);
return( 0 );
}
static void * null_ctx_alloc( void )
{
return (void *) 1;
}
static void null_ctx_free( void *ctx )
{
((void) ctx);
@ -753,15 +821,16 @@ const cipher_base_t null_base_info = {
NULL,
NULL,
NULL,
NULL,
NULL,
null_crypt_stream,
null_setkey,
null_setkey,
null_ctx_alloc,
null_ctx_free
};
const cipher_info_t null_cipher_info = {
POLARSSL_CIPHER_NULL,
POLARSSL_MODE_NULL,
POLARSSL_MODE_STREAM,
0,
"NULL",
0,

18
library/gcm.c
View File

@ -293,11 +293,12 @@ int gcm_finish( gcm_context *ctx,
uint64_t orig_len = ctx->len * 8;
uint64_t orig_add_len = ctx->add_len * 8;
memcpy( tag, ctx->base_ectr, tag_len );
if( tag_len > 16 )
return( POLARSSL_ERR_GCM_BAD_INPUT );
if( tag_len != 0 )
memcpy( tag, ctx->base_ectr, tag_len );
if( orig_len || orig_add_len )
{
memset( work_buf, 0x00, 16 );
@ -357,15 +358,22 @@ int gcm_auth_decrypt( gcm_context *ctx,
unsigned char *output )
{
unsigned char check_tag[16];
size_t i;
int diff;
gcm_crypt_and_tag( ctx, GCM_DECRYPT, length, iv, iv_len, add, add_len, input, output, tag_len, check_tag );
if( memcmp( check_tag, tag, tag_len ) == 0 )
return( 0 );
/* Check tag in "constant-time" */
for( diff = 0, i = 0; i < tag_len; i++ )
diff |= tag[i] ^ check_tag[i];
if( diff != 0 )
{
memset( output, 0, length );
return( POLARSSL_ERR_GCM_AUTH_FAILED );
}
return( 0 );
}
#if defined(POLARSSL_SELF_TEST)

7
library/pkcs12.c
View File

@ -184,7 +184,7 @@ int pkcs12_pbe( asn1_buf *pbe_params, int mode,
if( ( ret = cipher_setkey( &cipher_ctx, key, keylen, mode ) ) != 0 )
goto exit;
if( ( ret = cipher_reset( &cipher_ctx, iv ) ) != 0 )
if( ( ret = cipher_reset( &cipher_ctx, iv, 0, NULL, 0 ) ) != 0 )
goto exit;
if( ( ret = cipher_update( &cipher_ctx, data, len,
@ -193,8 +193,11 @@ int pkcs12_pbe( asn1_buf *pbe_params, int mode,
goto exit;
}
if( ( ret = cipher_finish( &cipher_ctx, output + olen, &olen ) ) != 0 )
if( ( ret = cipher_finish( &cipher_ctx, output + olen, &olen, NULL, 0 ) )
!= 0 )
{
ret = POLARSSL_ERR_PKCS12_PASSWORD_MISMATCH;
}
exit:
cipher_free_ctx( &cipher_ctx );

7
library/pkcs5.c
View File

@ -187,7 +187,7 @@ int pkcs5_pbes2( asn1_buf *pbe_params, int mode,
if( ( ret = cipher_setkey( &cipher_ctx, key, keylen, mode ) ) != 0 )
goto exit;
if( ( ret = cipher_reset( &cipher_ctx, iv ) ) != 0 )
if( ( ret = cipher_reset( &cipher_ctx, iv, 0, NULL, 0 ) ) != 0 )
goto exit;
if( ( ret = cipher_update( &cipher_ctx, data, datalen,
@ -196,8 +196,11 @@ int pkcs5_pbes2( asn1_buf *pbe_params, int mode,
goto exit;
}
if( ( ret = cipher_finish( &cipher_ctx, output + olen, &olen ) ) != 0 )
if( ( ret = cipher_finish( &cipher_ctx, output + olen, &olen, NULL, 0 ) )
!= 0 )
{
ret = POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH;
}
exit:
md_free_ctx( &md_ctx );

8
programs/aes/crypt_and_hash.c
View File

@ -306,7 +306,7 @@ int main( int argc, char *argv[] )
fprintf( stderr, "cipher_setkey() returned error\n");
goto exit;
}
if( cipher_reset( &cipher_ctx, IV ) != 0 )
if( cipher_reset( &cipher_ctx, IV, 16, NULL, 0 ) != 0 )
{
fprintf( stderr, "cipher_reset() returned error\n");
goto exit;
@ -338,7 +338,7 @@ int main( int argc, char *argv[] )
}
}
if( cipher_finish( &cipher_ctx, output, &olen ) != 0 )
if( cipher_finish( &cipher_ctx, output, &olen, NULL, 0 ) != 0 )
{
fprintf( stderr, "cipher_finish() returned error\n" );
goto exit;
@ -424,7 +424,7 @@ int main( int argc, char *argv[] )
cipher_setkey( &cipher_ctx, digest, cipher_info->key_length,
POLARSSL_DECRYPT );
cipher_reset( &cipher_ctx, IV);
cipher_reset( &cipher_ctx, IV, 16, NULL, 0 );
md_hmac_starts( &md_ctx, digest, 32 );
@ -455,7 +455,7 @@ int main( int argc, char *argv[] )
/*
* Write the final block of data
*/
cipher_finish( &cipher_ctx, output, &olen );
cipher_finish( &cipher_ctx, output, &olen, NULL, 0 );
if( fwrite( output, 1, olen, fout ) != olen )
{

2
tests/CMakeLists.txt
View File

@ -40,9 +40,11 @@ add_test_suite(base64)
add_test_suite(blowfish)
add_test_suite(camellia)
add_test_suite(cipher cipher.aes)
add_test_suite(cipher cipher.arc4)
add_test_suite(cipher cipher.blowfish)
add_test_suite(cipher cipher.camellia)
add_test_suite(cipher cipher.des)
add_test_suite(cipher cipher.gcm)
add_test_suite(cipher cipher.null)
add_test_suite(cipher cipher.padding)
add_test_suite(ctr_drbg)

17
tests/Makefile
View File

@ -27,6 +27,7 @@ APPS = test_suite_aes.ecb test_suite_aes.cbc \
test_suite_arc4 \
test_suite_base64 test_suite_blowfish \
test_suite_camellia test_suite_cipher.aes \
test_suite_cipher.arc4 test_suite_cipher.gcm \
test_suite_cipher.blowfish \
test_suite_cipher.camellia \
test_suite_cipher.des test_suite_cipher.null \
@ -74,6 +75,14 @@ test_suite_cipher.aes.c : suites/test_suite_cipher.function suites/test_suite_ci
echo " Generate $@"
scripts/generate_code.pl suites test_suite_cipher test_suite_cipher.aes
test_suite_cipher.arc4.c : suites/test_suite_cipher.function suites/test_suite_cipher.arc4.data scripts/generate_code.pl suites/helpers.function suites/main_test.function
echo " Generate $@"
scripts/generate_code.pl suites test_suite_cipher test_suite_cipher.arc4
test_suite_cipher.gcm.c : suites/test_suite_cipher.function suites/test_suite_cipher.gcm.data scripts/generate_code.pl suites/helpers.function suites/main_test.function
echo " Generate $@"
scripts/generate_code.pl suites test_suite_cipher test_suite_cipher.gcm
test_suite_cipher.blowfish.c : suites/test_suite_cipher.function suites/test_suite_cipher.blowfish.data scripts/generate_code.pl suites/helpers.function suites/main_test.function
echo " Generate $@"
scripts/generate_code.pl suites test_suite_cipher test_suite_cipher.blowfish
@ -158,6 +167,14 @@ test_suite_cipher.aes: test_suite_cipher.aes.c ../library/libpolarssl.a
echo " CC $@.c"
$(CC) $(CFLAGS) $(OFLAGS) $@.c $(LDFLAGS) -o $@
test_suite_cipher.arc4: test_suite_cipher.arc4.c ../library/libpolarssl.a
echo " CC $@.c"
$(CC) $(CFLAGS) $(OFLAGS) $@.c $(LDFLAGS) -o $@
test_suite_cipher.gcm: test_suite_cipher.gcm.c ../library/libpolarssl.a
echo " CC $@.c"
$(CC) $(CFLAGS) $(OFLAGS) $@.c $(LDFLAGS) -o $@
test_suite_cipher.blowfish: test_suite_cipher.blowfish.c ../library/libpolarssl.a
echo " CC $@.c"
$(CC) $(CFLAGS) $(OFLAGS) $@.c $(LDFLAGS) -o $@

110
tests/suites/test_suite_cipher.arc4.data Normal file
View File

@ -0,0 +1,110 @@
Cipher Selftest
depends_on:POLARSSL_SELF_TEST
cipher_selftest:
Decrypt empty buffer
dec_empty_buf:
ARC4 Encrypt and decrypt 0 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:0:-1
ARC4 Encrypt and decrypt 1 byte
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:1:-1
ARC4 Encrypt and decrypt 2 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:2:-1
ARC4 Encrypt and decrypt 7 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:7:-1
ARC4 Encrypt and decrypt 8 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:8:-1
ARC4 Encrypt and decrypt 9 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:9:-1
ARC4 Encrypt and decrypt 15 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:15:-1
ARC4 Encrypt and decrypt 16 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:16:-1
ARC4 Encrypt and decrypt 17 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:17:-1
ARC4 Encrypt and decrypt 31 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:31:-1
ARC4 Encrypt and decrypt 32 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:32:-1
ARC4 Encrypt and decrypt 32 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:33:-1
ARC4 Encrypt and decrypt 47 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:47:-1
ARC4 Encrypt and decrypt 48 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:48:-1
ARC4 Encrypt and decrypt 49 bytes
depends_on:POLARSSL_ARC4_C
enc_dec_buf:POLARSSL_CIPHER_ARC4_128:"ARC4-128":128:49:-1
ARC4 Encrypt and decrypt 0 bytes in multiple parts
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:0:0:
ARC4 Encrypt and decrypt 1 bytes in multiple parts 1
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:1:0:
ARC4 Encrypt and decrypt 1 bytes in multiple parts 2
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:0:1:
ARC4 Encrypt and decrypt 16 bytes in multiple parts 1
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:16:0:
ARC4 Encrypt and decrypt 16 bytes in multiple parts 2
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:0:16:
ARC4 Encrypt and decrypt 16 bytes in multiple parts 3
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:1:15:
ARC4 Encrypt and decrypt 16 bytes in multiple parts 4
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:15:1:
ARC4 Encrypt and decrypt 22 bytes in multiple parts 1
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:15:7:
ARC4 Encrypt and decrypt 22 bytes in multiple parts 1
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:16:6:
ARC4 Encrypt and decrypt 22 bytes in multiple parts 1
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:17:6:
ARC4 Encrypt and decrypt 32 bytes in multiple parts 1
depends_on:POLARSSL_ARC4_C
enc_dec_buf_multipart:POLARSSL_CIPHER_ARC4_128:128:16:16:

35
tests/suites/test_suite_cipher.function
View File

@ -14,6 +14,8 @@ void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
size_t length = length_val;
unsigned char key[32];
unsigned char iv[16];
unsigned char ad[13];
unsigned char tag[16];
const cipher_info_t *cipher_info;
cipher_context_t ctx_dec;
@ -35,6 +37,8 @@ void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
memset( inbuf, 5, 64 );
memset( encbuf, 0, 64 );
memset( decbuf, 0, 64 );
memset( tag, 0, 16 );
memset( ad, 0x2a, 13 );
/* Check and get info structures */
cipher_info = cipher_info_from_type( cipher_id );
@ -54,8 +58,8 @@ void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
TEST_ASSERT( 0 == cipher_set_padding_mode( &ctx_enc, pad_mode ) );
}
TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_enc, iv ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv, 16, ad, 13 ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_enc, iv, 16, ad, 13 ) );
/* encode length number of bytes from inbuf */
TEST_ASSERT( 0 == cipher_update( &ctx_enc, inbuf, length, encbuf, &outlen ) );
@ -66,7 +70,8 @@ void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
total_len < length &&
total_len + cipher_get_block_size( &ctx_enc ) > length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + outlen, &outlen ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + outlen, &outlen,
tag, 16 ) );
total_len += outlen;
TEST_ASSERT( total_len == length ||
@ -83,7 +88,8 @@ void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
total_len < length &&
total_len + cipher_get_block_size( &ctx_dec ) >= length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen,
tag, 16 ) );
total_len += outlen;
TEST_ASSERT( total_len == length );
@ -127,11 +133,11 @@ void enc_fail( int cipher_id, int pad_mode, int key_len,
TEST_ASSERT( 0 == cipher_init_ctx( &ctx, cipher_info ) );
TEST_ASSERT( 0 == cipher_setkey( &ctx, key, key_len, POLARSSL_ENCRYPT ) );
TEST_ASSERT( 0 == cipher_set_padding_mode( &ctx, pad_mode ) );
TEST_ASSERT( 0 == cipher_reset( &ctx, iv ) );
TEST_ASSERT( 0 == cipher_reset( &ctx, iv, 16, NULL, 0 ) );
/* encode length number of bytes from inbuf */
TEST_ASSERT( 0 == cipher_update( &ctx, inbuf, length, encbuf, &outlen ) );
TEST_ASSERT( ret == cipher_finish( &ctx, encbuf + outlen, &outlen ) );
TEST_ASSERT( ret == cipher_finish( &ctx, encbuf + outlen, &outlen, NULL, 0 ) );
/* done */
TEST_ASSERT( 0 == cipher_free_ctx( &ctx ) );
@ -168,12 +174,13 @@ void dec_empty_buf()
TEST_ASSERT( 0 == cipher_setkey( &ctx_dec, key, 128, POLARSSL_DECRYPT ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv, 16, NULL, 0 ) );
/* decode 0-byte string */
TEST_ASSERT( 0 == cipher_update( &ctx_dec, encbuf, 0, decbuf, &outlen ) );
TEST_ASSERT( 0 == outlen );
TEST_ASSERT( POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
TEST_ASSERT( POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED == cipher_finish(
&ctx_dec, decbuf + outlen, &outlen, NULL, 0 ) );
TEST_ASSERT( 0 == outlen );
TEST_ASSERT( 0 == cipher_free_ctx( &ctx_dec ) );
@ -221,8 +228,8 @@ void enc_dec_buf_multipart( int cipher_id, int key_len, int first_length_val,
TEST_ASSERT( 0 == cipher_setkey( &ctx_dec, key, key_len, POLARSSL_DECRYPT ) );
TEST_ASSERT( 0 == cipher_setkey( &ctx_enc, key, key_len, POLARSSL_ENCRYPT ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_enc, iv ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv, 16, NULL, 0 ) );
TEST_ASSERT( 0 == cipher_reset( &ctx_enc, iv, 16, NULL, 0 ) );
/* encode length number of bytes from inbuf */
TEST_ASSERT( 0 == cipher_update( &ctx_enc, inbuf, first_length, encbuf, &outlen ) );
@ -234,7 +241,8 @@ void enc_dec_buf_multipart( int cipher_id, int key_len, int first_length_val,
totaloutlen < length &&
totaloutlen + cipher_get_block_size( &ctx_enc ) > length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + totaloutlen, &outlen ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + totaloutlen, &outlen,
NULL, 0 ) );
totaloutlen += outlen;
TEST_ASSERT( totaloutlen == length ||
( totaloutlen % cipher_get_block_size( &ctx_enc ) == 0 &&
@ -248,9 +256,10 @@ void enc_dec_buf_multipart( int cipher_id, int key_len, int first_length_val,
TEST_ASSERT( totaloutlen == length ||
( totaloutlen % cipher_get_block_size( &ctx_dec ) == 0 &&
totaloutlen < length &&
totaloutlen + cipher_get_block_size( &ctx_dec ) > length ) );
totaloutlen + cipher_get_block_size( &ctx_dec ) >= length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen,
NULL, 0 ) );
totaloutlen += outlen;
TEST_ASSERT( totaloutlen == length );

110
tests/suites/test_suite_cipher.gcm.data Normal file
View File

@ -0,0 +1,110 @@
Cipher Selftest
depends_on:POLARSSL_SELF_TEST
cipher_selftest:
Decrypt empty buffer
dec_empty_buf:
AES-GCM Encrypt and decrypt 0 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:0:-1
AES 128 GCM Encrypt and decrypt 1 byte
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:1:-1
AES 128 GCM Encrypt and decrypt 2 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:2:-1
AES 128 GCM Encrypt and decrypt 7 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:7:-1
AES 128 GCM Encrypt and decrypt 8 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:8:-1
AES 128 GCM Encrypt and decrypt 9 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:9:-1
AES 128 GCM Encrypt and decrypt 15 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:15:-1
AES 128 GCM Encrypt and decrypt 16 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:16:-1
AES 128 GCM Encrypt and decrypt 17 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:17:-1
AES 128 GCM Encrypt and decrypt 31 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:31:-1
AES 128 GCM Encrypt and decrypt 32 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:32:-1
AES 128 GCM Encrypt and decrypt 32 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:33:-1
AES 128 GCM Encrypt and decrypt 47 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:47:-1
AES 128 GCM Encrypt and decrypt 48 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:48:-1
AES 128 GCM Encrypt and decrypt 49 bytes
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf:POLARSSL_CIPHER_AES_128_GCM:"AES-128-GCM":128:49:-1
AES 128 GCM Encrypt and decrypt 0 bytes in multiple parts
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:0:0
AES 128 GCM Encrypt and decrypt 1 bytes in multiple parts 1
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:1:0
AES 128 GCM Encrypt and decrypt 1 bytes in multiple parts 2
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:0:1
AES 128 GCM Encrypt and decrypt 16 bytes in multiple parts 1
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:16:0
AES 128 GCM Encrypt and decrypt 16 bytes in multiple parts 2
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:0:16
AES 128 GCM Encrypt and decrypt 16 bytes in multiple parts 3
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:1:15
AES 128 GCM Encrypt and decrypt 16 bytes in multiple parts 4
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:15:1
AES 128 GCM Encrypt and decrypt 22 bytes in multiple parts 1
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:15:7
AES 128 GCM Encrypt and decrypt 22 bytes in multiple parts 1
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:16:6
AES 128 GCM Encrypt and decrypt 22 bytes in multiple parts 1
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:17:6
AES 128 GCM Encrypt and decrypt 32 bytes in multiple parts 1
depends_on:POLARSSL_AES_C:POLARSSL_GCM_C
enc_dec_buf_multipart:POLARSSL_CIPHER_AES_128_GCM:128:16:16

28
tests/suites/test_suite_cipher.null.data
View File

@ -7,59 +7,59 @@ dec_empty_buf:
NULL Encrypt and decrypt 0 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:0
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:0:-1
NULL Encrypt and decrypt 1 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:1
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:1:-1
NULL Encrypt and decrypt 2 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:2
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:2:-1
NULL Encrypt and decrypt 7 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:7
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:7:-1
NULL Encrypt and decrypt 8 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:8
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:8:-1
NULL Encrypt and decrypt 9 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:9
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:9:-1
NULL Encrypt and decrypt 15 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:15
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:15:-1
NULL Encrypt and decrypt 16 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:16
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:16:-1
NULL Encrypt and decrypt 31 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:31
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:31:-1
NULL Encrypt and decrypt 32 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:32
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:32:-1
NULL Encrypt and decrypt 33 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:33
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:33:-1
NULL Encrypt and decrypt 47 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:47
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:47:-1
NULL Encrypt and decrypt 48 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:48
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:48:-1
NULL Encrypt and decrypt 49 bytes
depends_on:POLARSSL_CIPHER_NULL_CIPHER
enc_dec_buf:POLARSSL_CIPHER_NULL:NULL:0:49
enc_dec_buf:POLARSSL_CIPHER_NULL:"NULL":0:49:-1
NULL Encrypt and decrypt 1 bytes in multiple parts 1
depends_on:POLARSSL_CIPHER_NULL_CIPHER