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Add interface for truncated hmac

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This commit is contained in:
Manuel Pégourié-Gonnard
2013-07-19 11:08:52 +02:00
committed by Paul Bakker
parent 5b55b79021
commit e980a994f0
3 changed files with 37 additions and 0 deletions
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13
programs/ssl/ssl_client2.c
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@ -58,6 +58,7 @@
#define DFL_MAX_VERSION -1
#define DFL_AUTH_MODE SSL_VERIFY_OPTIONAL
#define DFL_MFL_CODE SSL_MAX_FRAG_LEN_NONE
#define DFL_TRUNC_HMAC 0
#define LONG_HEADER "User-agent: blah-blah-blah-blah-blah-blah-blah-blah-" \
"-01--blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-" \
@ -94,6 +95,7 @@ struct options
int max_version; /* maximum protocol version accepted */
int auth_mode; /* verify mode for connection */
unsigned char mfl_code; /* code for maximum fragment length */
int trunc_hmac; /* negotiate truncated hmac or not */
} opt;
static void my_debug( void *ctx, int level, const char *str )
@ -191,6 +193,7 @@ static int my_verify( void *data, x509_cert *crt, int depth, int *flags )
" options: none, optional, required\n" \
" max_frag_len=%%d default: 16384 (tls default)" \
" options: 512, 1024, 2048, 4096" \
" trunc_hmac=%%d default: 0 (disabled)\n" \
USAGE_PSK \
"\n" \
" force_ciphersuite=<name> default: all enabled\n"\
@ -281,6 +284,7 @@ int main( int argc, char *argv[] )
opt.max_version = DFL_MAX_VERSION;
opt.auth_mode = DFL_AUTH_MODE;
opt.mfl_code = DFL_MFL_CODE;
opt.trunc_hmac = DFL_TRUNC_HMAC;
for( i = 1; i < argc; i++ )
{
@ -416,6 +420,12 @@ int main( int argc, char *argv[] )
else
goto usage;
}
else if( strcmp( p, "trunc_hmac" ) == 0 )
{
opt.trunc_hmac = atoi( q );
if( opt.trunc_hmac < 0 || opt.trunc_hmac > 1 )
goto usage;
}
else
goto usage;
}
@ -623,6 +633,9 @@ int main( int argc, char *argv[] )
ssl_set_max_frag_len( &ssl, opt.mfl_code );
if( opt.trunc_hmac != 0 )
ssl_set_truncated_hmac( &ssl );
ssl_set_rng( &ssl, ctr_drbg_random, &ctr_drbg );
ssl_set_dbg( &ssl, my_debug, stdout );
ssl_set_bio( &ssl, net_recv, &server_fd,