mirror of
https://github.com/yuzu-emu/mbedtls.git
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Add ecjpake_kkpp_read/write
This commit is contained in:
Manuel Pégourié-Gonnard
parent
4f2cd95e1d
commit
082767ff0c
@ -249,8 +249,8 @@ cleanup:
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}
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/*
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* Parse verify a ECJPAKEKeyKP (7.4.2.2.1)
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* Output: public key X
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* Parse a ECJPAKEKeyKP (7.4.2.2.1) and check proof
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* Output: verified public key X
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*/
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static int ecjpake_kkp_read( const mbedtls_md_info_t *md_info,
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const mbedtls_ecp_group *grp,
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@ -315,6 +315,71 @@ cleanup:
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return( ret );
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}
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/*
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* Read a ECJPAKEKeyKPPairList (7.4.2.3) and check proofs
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* Ouputs: verified peer public keys Xa, Xb
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*/
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static int ecjpake_kkpp_read( const mbedtls_md_info_t *md_info,
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const mbedtls_ecp_group *grp,
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const mbedtls_ecp_point *G,
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mbedtls_ecp_point *Xa,
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mbedtls_ecp_point *Xb,
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const char *id,
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const unsigned char *buf,
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size_t len )
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{
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int ret;
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unsigned char *p = (unsigned char *) buf;
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const unsigned char *end = buf + len;
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/*
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* struct {
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* ECJPAKEKeyKP ecjpake_key_kp_pair_list[2];
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* } ECJPAKEKeyKPPairList;
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*/
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MBEDTLS_MPI_CHK( ecjpake_kkp_read( md_info, grp, G, Xa, id, &p, end ) );
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MBEDTLS_MPI_CHK( ecjpake_kkp_read( md_info, grp, G, Xb, id, &p, end ) );
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if( p != end )
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ret = MBEDTLS_ERR_ECP_BAD_INPUT_DATA;
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cleanup:
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return( ret );
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}
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/*
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* Generate a ECJPAKEKeyKPPairList
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* Outputs: the serialized structure, plus two private/public key pairs
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*/
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static int ecjpake_kkpp_write( const mbedtls_md_info_t *md_info,
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const mbedtls_ecp_group *grp,
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const mbedtls_ecp_point *G,
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mbedtls_mpi *xa,
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mbedtls_ecp_point *Xa,
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mbedtls_mpi *xb,
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mbedtls_ecp_point *Xb,
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const char *id,
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unsigned char *buf,
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size_t len,
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size_t *olen,
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int (*f_rng)(void *, unsigned char *, size_t),
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void *p_rng )
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{
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int ret;
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unsigned char *p = buf;
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const unsigned char *end = buf + len;
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MBEDTLS_MPI_CHK( ecjpake_kkp_write( md_info, grp, G, xa, Xa, id,
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&p, end, f_rng, p_rng ) );
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MBEDTLS_MPI_CHK( ecjpake_kkp_write( md_info, grp, G, xb, Xb, id,
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&p, end, f_rng, p_rng ) );
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*olen = p - buf;
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cleanup:
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return( ret );
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}
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#if defined(MBEDTLS_SELF_TEST)
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#if defined(MBEDTLS_PLATFORM_C)
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@ -333,7 +398,7 @@ int mbedtls_ecjpake_self_test( int verbose )
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}
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#else
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static const unsigned char ecjpake_test_kkp[] = {
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static const unsigned char ecjpake_test_kkpp[] = {
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0x41, 0x04, 0xac, 0xcf, 0x01, 0x06, 0xef, 0x85, 0x8f, 0xa2, 0xd9, 0x19,
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0x33, 0x13, 0x46, 0x80, 0x5a, 0x78, 0xb5, 0x8b, 0xba, 0xd0, 0xb8, 0x44,
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0xe5, 0xc7, 0x89, 0x28, 0x79, 0x14, 0x61, 0x87, 0xdd, 0x26, 0x66, 0xad,
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@ -347,7 +412,21 @@ static const unsigned char ecjpake_test_kkp[] = {
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0x36, 0xfb, 0x66, 0xa6, 0x58, 0x3d, 0x74, 0x49, 0x30, 0x8b, 0xab, 0xce,
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0x20, 0x72, 0xfe, 0x16, 0x66, 0x29, 0x92, 0xe9, 0x23, 0x5c, 0x25, 0x00,
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0x2f, 0x11, 0xb1, 0x50, 0x87, 0xb8, 0x27, 0x38, 0xe0, 0x3c, 0x94, 0x5b,
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0xf7, 0xa2, 0x99, 0x5d, 0xda, 0x1e, 0x98, 0x34, 0x58
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0xf7, 0xa2, 0x99, 0x5d, 0xda, 0x1e, 0x98, 0x34, 0x58, 0x41, 0x04, 0x7e,
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0xa6, 0xe3, 0xa4, 0x48, 0x70, 0x37, 0xa9, 0xe0, 0xdb, 0xd7, 0x92, 0x62,
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0xb2, 0xcc, 0x27, 0x3e, 0x77, 0x99, 0x30, 0xfc, 0x18, 0x40, 0x9a, 0xc5,
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0x36, 0x1c, 0x5f, 0xe6, 0x69, 0xd7, 0x02, 0xe1, 0x47, 0x79, 0x0a, 0xeb,
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0x4c, 0xe7, 0xfd, 0x65, 0x75, 0xab, 0x0f, 0x6c, 0x7f, 0xd1, 0xc3, 0x35,
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0x93, 0x9a, 0xa8, 0x63, 0xba, 0x37, 0xec, 0x91, 0xb7, 0xe3, 0x2b, 0xb0,
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0x13, 0xbb, 0x2b, 0x41, 0x04, 0xa4, 0x95, 0x58, 0xd3, 0x2e, 0xd1, 0xeb,
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0xfc, 0x18, 0x16, 0xaf, 0x4f, 0xf0, 0x9b, 0x55, 0xfc, 0xb4, 0xca, 0x47,
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0xb2, 0xa0, 0x2d, 0x1e, 0x7c, 0xaf, 0x11, 0x79, 0xea, 0x3f, 0xe1, 0x39,
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0x5b, 0x22, 0xb8, 0x61, 0x96, 0x40, 0x16, 0xfa, 0xba, 0xf7, 0x2c, 0x97,
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0x56, 0x95, 0xd9, 0x3d, 0x4d, 0xf0, 0xe5, 0x19, 0x7f, 0xe9, 0xf0, 0x40,
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0x63, 0x4e, 0xd5, 0x97, 0x64, 0x93, 0x77, 0x87, 0xbe, 0x20, 0xbc, 0x4d,
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0xee, 0xbb, 0xf9, 0xb8, 0xd6, 0x0a, 0x33, 0x5f, 0x04, 0x6c, 0xa3, 0xaa,
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0x94, 0x1e, 0x45, 0x86, 0x4c, 0x7c, 0xad, 0xef, 0x9c, 0xf7, 0x5b, 0x3d,
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0x8b, 0x01, 0x0e, 0x44, 0x3e, 0xf0
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};
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/* For tests we don't need a secure RNG;
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@ -387,62 +466,62 @@ int mbedtls_ecjpake_self_test( int verbose )
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{
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int ret;
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mbedtls_ecp_group grp;
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mbedtls_ecp_point X;
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mbedtls_mpi x;
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mbedtls_ecp_point Xa, Xb;
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mbedtls_mpi xa, xb;
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const mbedtls_md_info_t *md_info;
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unsigned char buf[1000];
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unsigned char *p;
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const unsigned char *end;
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size_t len;
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mbedtls_ecp_group_init( &grp );
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mbedtls_ecp_point_init( &X );
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mbedtls_mpi_init( &x );
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mbedtls_ecp_point_init( &Xa );
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mbedtls_ecp_point_init( &Xb );
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mbedtls_mpi_init( &xa );
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mbedtls_mpi_init( &xb );
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/* Common to all tests */
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md_info = mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 );
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MBEDTLS_MPI_CHK( mbedtls_ecp_group_load( &grp, MBEDTLS_ECP_DP_SECP256R1 ) );
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if( verbose != 0 )
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mbedtls_printf( " ECJPAKE test #1 (kkp read): " );
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mbedtls_printf( " ECJPAKE test #1 (kkpp read): " );
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p = (unsigned char *) ecjpake_test_kkp;
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end = ecjpake_test_kkp + sizeof( ecjpake_test_kkp );
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MBEDTLS_MPI_CHK( ecjpake_kkp_read( md_info, &grp, &grp.G, &X, "client",
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&p, end ) );
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TEST_ASSERT( ecjpake_kkpp_read( md_info, &grp, &grp.G,
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&Xa, &Xb, "client",
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ecjpake_test_kkpp,
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sizeof( ecjpake_test_kkpp ) ) == 0 );
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TEST_ASSERT( p == end );
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/* Corrupt proof */
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memcpy( buf, ecjpake_test_kkp, sizeof( ecjpake_test_kkp ) );
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buf[sizeof( ecjpake_test_kkp ) - 1]--;
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p = buf;
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end = buf + sizeof( ecjpake_test_kkp );
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ret = ecjpake_kkp_read( md_info, &grp, &grp.G, &X, "client", &p, end );
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TEST_ASSERT( ret == MBEDTLS_ERR_ECP_VERIFY_FAILED );
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/* Corrupt message */
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memcpy( buf, ecjpake_test_kkpp, sizeof( ecjpake_test_kkpp ) );
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buf[sizeof( ecjpake_test_kkpp ) - 1]--;
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TEST_ASSERT( ecjpake_kkpp_read( md_info, &grp, &grp.G,
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&Xa, &Xb, "client",
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buf, sizeof( ecjpake_test_kkpp ) )
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== MBEDTLS_ERR_ECP_VERIFY_FAILED );
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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if( verbose != 0 )
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mbedtls_printf( " ECJPAKE test #2 (kkp write/read): " );
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mbedtls_printf( " ECJPAKE test #2 (kkpp write/read): " );
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p = buf;
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MBEDTLS_MPI_CHK( ecjpake_kkp_write( md_info, &grp, &grp.G, &x, &X, "client",
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&p, buf + sizeof( buf ),
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ecjpake_lgc, NULL ) );
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end = p;
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p = buf;
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MBEDTLS_MPI_CHK( ecjpake_kkp_read( md_info, &grp, &grp.G, &X, "client",
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&p, end ) );
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TEST_ASSERT( ecjpake_kkpp_write( md_info, &grp, &grp.G,
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&xa, &Xa, &xb, &Xb, "client",
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buf, sizeof( buf ), &len,
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ecjpake_lgc, NULL ) == 0 );
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TEST_ASSERT( ecjpake_kkpp_read( md_info, &grp, &grp.G,
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&Xa, &Xb, "client",
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buf, len ) == 0 );
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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cleanup:
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mbedtls_ecp_group_free( &grp );
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mbedtls_ecp_point_free( &X );
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mbedtls_mpi_free( &x );
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mbedtls_ecp_point_free( &Xa );
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mbedtls_ecp_point_free( &Xb );
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mbedtls_mpi_free( &xa );
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mbedtls_mpi_free( &xb );
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if( ret != 0 )
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{
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