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Merge branch 'mbedtls-2.1'

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This commit is contained in:
Simon Butcher 2016-10-13 10:35:52 +01:00
parent 0be55a0549 759b5a1286
commit d9d0cda9fe
8 changed files with 22 additions and 19 deletions
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9
ChangeLog
View file

@ -22,11 +22,16 @@ Bugfix
enabled unless others were also present. Found by David Fernandez. #428
* Fixed cert_app sample program for debug output and for use when no root
certificates are provided.
* Fix conditional statement that would cause a 1 byte overread in
mbedtls_asn1_get_int(). Found and fixed by Guido Vranken. #599
* Fixed pthread implementation to avoid unintended double initialisations
and double frees. (found by Niklas Amnebratt)
* Fixed the sample applications gen_key.c, cert_req.c and cert_write.c for
builds where the configuration MBEDTLS_PEM_WRITE_C is not defined. Found
by inestlerode. #559.
* Fixed pthread implementation to avoid unintended double initialisations
and double frees. (found by Niklas Amnebratt)
* Fix documentation and implementation missmatch for function arguments of
mbedtls_gcm_finish(). Found by cmiatpaar. #602
* Guarantee that P>Q at RSA key generation. Found by inestlerode. #558
= mbed TLS 2.1.5 branch released 2016-06-28

4
include/mbedtls/gcm.h
View file

@ -190,8 +190,8 @@ int mbedtls_gcm_update( mbedtls_gcm_context *ctx,
* 16 bytes.
*
* \param ctx GCM context
* \param tag buffer for holding the tag (may be NULL if tag_len is 0)
* \param tag_len length of the tag to generate
* \param tag buffer for holding the tag
* \param tag_len length of the tag to generate (must be at least 4)
*
* \return 0 if successful or MBEDTLS_ERR_GCM_BAD_INPUT
*/

2
include/mbedtls/x509_csr.h
View file

@ -276,7 +276,7 @@ int mbedtls_x509write_csr_der( mbedtls_x509write_csr *ctx, unsigned char *buf, s
*
* \note f_rng may be NULL if RSA is used for signature and the
* signature is made offline (otherwise f_rng is desirable
* for couermeasures against timing attacks).
* for countermeasures against timing attacks).
* ECDSA signatures always require a non-NULL f_rng.
*/
int mbedtls_x509write_csr_pem( mbedtls_x509write_csr *ctx, unsigned char *buf, size_t size,

2
library/asn1parse.c
View file

@ -153,7 +153,7 @@ int mbedtls_asn1_get_int( unsigned char **p,
if( ( ret = mbedtls_asn1_get_tag( p, end, &len, MBEDTLS_ASN1_INTEGER ) ) != 0 )
return( ret );
if( len > sizeof( int ) || ( **p & 0x80 ) != 0 )
if( len == 0 || len > sizeof( int ) || ( **p & 0x80 ) != 0 )
return( MBEDTLS_ERR_ASN1_INVALID_LENGTH );
*val = 0;

3
library/gcm.c
View file

@ -415,8 +415,7 @@ int mbedtls_gcm_finish( mbedtls_gcm_context *ctx,
if( tag_len > 16 || tag_len < 4 )
return( MBEDTLS_ERR_GCM_BAD_INPUT );
if( tag_len != 0 )
memcpy( tag, ctx->base_ectr, tag_len );
memcpy( tag, ctx->base_ectr, tag_len );
if( orig_len || orig_add_len )
{

18
library/rsa.c
View file

@ -96,7 +96,10 @@ int mbedtls_rsa_gen_key( mbedtls_rsa_context *ctx,
if( f_rng == NULL || nbits < 128 || exponent < 3 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 );
if( nbits % 2 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 );
mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
/*
@ -110,16 +113,8 @@ int mbedtls_rsa_gen_key( mbedtls_rsa_context *ctx,
MBEDTLS_MPI_CHK( mbedtls_mpi_gen_prime( &ctx->P, nbits >> 1, 0,
f_rng, p_rng ) );
if( nbits % 2 )
{
MBEDTLS_MPI_CHK( mbedtls_mpi_gen_prime( &ctx->Q, ( nbits >> 1 ) + 1, 0,
MBEDTLS_MPI_CHK( mbedtls_mpi_gen_prime( &ctx->Q, nbits >> 1, 0,
f_rng, p_rng ) );
}
else
{
MBEDTLS_MPI_CHK( mbedtls_mpi_gen_prime( &ctx->Q, nbits >> 1, 0,
f_rng, p_rng ) );
}
if( mbedtls_mpi_cmp_mpi( &ctx->P, &ctx->Q ) == 0 )
continue;
@ -128,6 +123,9 @@ int mbedtls_rsa_gen_key( mbedtls_rsa_context *ctx,
if( mbedtls_mpi_bitlen( &ctx->N ) != nbits )
continue;
if( mbedtls_mpi_cmp_mpi( &ctx->P, &ctx->Q ) < 0 )
mbedtls_mpi_swap( &ctx->P, &ctx->Q );
MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( &P1, &ctx->P, 1 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( &Q1, &ctx->Q, 1 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) );

2
tests/suites/test_suite_rsa.data
View file

@ -361,7 +361,7 @@ RSA Generate Key - 2048 bit key
mbedtls_rsa_gen_key:2048:3:0
RSA Generate Key - 1025 bit key
mbedtls_rsa_gen_key:1025:3:0
mbedtls_rsa_gen_key:1025:3:MBEDTLS_ERR_RSA_BAD_INPUT_DATA
RSA PKCS1 Encrypt Bad RNG
depends_on:MBEDTLS_PKCS1_V15

1
tests/suites/test_suite_rsa.function
View file

@ -678,6 +678,7 @@ void mbedtls_rsa_gen_key( int nrbits, int exponent, int result)
if( result == 0 )
{
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &ctx.P, &ctx.Q ) > 0 );
}
exit: