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Fix base point in ecjpake_write_zkp()

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Manuel Pégourié-Gonnard 2015-08-11 14:33:51 +02:00
parent d9a3f47ecd
commit c618195bc4
1 changed files with 4 additions and 4 deletions
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8
library/ecjpake.c
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@ -146,8 +146,8 @@ static int ecjpake_write_zkp( const mbedtls_md_info_t *md_info,
mbedtls_mpi_init( &h );
/* Compute signature */
MBEDTLS_MPI_CHK( mbedtls_ecp_gen_keypair( (mbedtls_ecp_group *) grp,
&v, &V, f_rng, p_rng ) ); /* TODO: wrong base point! */
MBEDTLS_MPI_CHK( mbedtls_ecp_gen_keypair_base( (mbedtls_ecp_group *) grp,
G, &v, &V, f_rng, p_rng ) );
MBEDTLS_MPI_CHK( ecjpake_hash( md_info, grp, G, &V, X, id, &h ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &h, &h, x ) ); /* x*h */
MBEDTLS_MPI_CHK( mbedtls_mpi_sub_mpi( &h, &v, &h ) ); /* v - x*h */
@ -295,8 +295,8 @@ int mbedtls_ecjpake_self_test( int verbose )
if( verbose != 0 )
mbedtls_printf( " ECJPAKE test #2 (zkp, WIP): " );
MBEDTLS_MPI_CHK( mbedtls_ecp_gen_keypair( &grp, &x, &X,
ecjpake_lgc, NULL ) );
MBEDTLS_MPI_CHK( mbedtls_ecp_gen_keypair_base( &grp, &G, &x, &X,
ecjpake_lgc, NULL ) );
p = buf;
MBEDTLS_MPI_CHK( ecjpake_write_zkp( md_info, &grp, &G, &x, &X, "client",