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Fix blunder in 8a109f1

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This commit is contained in:
Manuel Pégourié-Gonnard 2013-09-13 12:57:23 +02:00
parent 9013af76a3
commit 735b8fcb0b
2 changed files with 15 additions and 8 deletions
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4
library/rsa.c
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@ -269,9 +269,9 @@ static int rsa_prepare_blinding( rsa_context *ctx,
{ {
/* We already have blinding values, just update them by squaring */ /* We already have blinding values, just update them by squaring */
MPI_CHK( mpi_mul_mpi( &ctx->Vi, &ctx->Vi, &ctx->Vi ) ); MPI_CHK( mpi_mul_mpi( &ctx->Vi, &ctx->Vi, &ctx->Vi ) );
MPI_CHK( mpi_mod_mpi( &ctx->Vi, &ctx->Vi, &ctx->P ) ); MPI_CHK( mpi_mod_mpi( &ctx->Vi, &ctx->Vi, &ctx->N ) );
MPI_CHK( mpi_mul_mpi( &ctx->Vf, &ctx->Vf, &ctx->Vf ) ); MPI_CHK( mpi_mul_mpi( &ctx->Vf, &ctx->Vf, &ctx->Vf ) );
MPI_CHK( mpi_mod_mpi( &ctx->Vf, &ctx->Vf, &ctx->P ) ); MPI_CHK( mpi_mod_mpi( &ctx->Vf, &ctx->Vf, &ctx->N ) );
return( 0 ); return( 0 );
} }

15
tests/suites/test_suite_rsa.function
View File

@ -374,13 +374,12 @@ void rsa_private( char *message_hex_string, int mod, int radix_P, char *input_P,
rsa_context ctx; rsa_context ctx;
mpi P1, Q1, H, G; mpi P1, Q1, H, G;
rnd_pseudo_info rnd_info; rnd_pseudo_info rnd_info;
int i;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G ); mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, RSA_PKCS_V15, 0 ); rsa_init( &ctx, RSA_PKCS_V15, 0 );
memset( message_str, 0x00, 1000 ); memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) ); memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8; ctx.len = mod / 8;
@ -402,12 +401,20 @@ void rsa_private( char *message_hex_string, int mod, int radix_P, char *input_P,
unhexify( message_str, message_hex_string ); unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_private( &ctx, rnd_pseudo_rand, &rnd_info, message_str, output ) == result ); /* repeat three times to test updating of blinding values */
for( i = 0; i < 3; i++ )
{
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
TEST_ASSERT( rsa_private( &ctx, rnd_pseudo_rand, &rnd_info,
message_str, output ) == result );
if( result == 0 ) if( result == 0 )
{ {
hexify( output_str, output, ctx.len ); hexify( output_str, output, ctx.len );
TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 ); TEST_ASSERT( strcasecmp( (char *) output_str,
result_hex_str ) == 0 );
}
} }
mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G ); mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G );