yuzu-emu/mbedtls
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Change use of olen variables

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Removed olen variable in favour of storing olens for
client and server separately.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
This commit is contained in:
Thomas Daubney 2022-05-20 18:43:09 +01:00
parent eff0f3f5be
commit 70c0088239
1 changed files with 8 additions and 11 deletions
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19
programs/pkey/ecdh_curve25519.c
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@ -60,7 +60,8 @@ int main( int argc, char *argv[] )
unsigned char cli_to_srv[36], srv_to_cli[33];
const char pers[] = "ecdh";
size_t olen;
size_t srv_olen;
size_t cli_olen;
unsigned char secret_cli[32] = { 0 };
unsigned char secret_srv[32] = { 0 };
const unsigned char *p_cli_to_srv = cli_to_srv;
@ -104,7 +105,7 @@ int main( int argc, char *argv[] )
goto exit;
}
ret = mbedtls_ecdh_make_params( &ctx_cli, &olen, cli_to_srv,
ret = mbedtls_ecdh_make_params( &ctx_cli, &cli_olen, cli_to_srv,
sizeof( cli_to_srv ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@ -131,7 +132,7 @@ int main( int argc, char *argv[] )
goto exit;
}
ret = mbedtls_ecdh_make_public( &ctx_srv, &olen, srv_to_cli,
ret = mbedtls_ecdh_make_public( &ctx_srv, &srv_olen, srv_to_cli,
sizeof( srv_to_cli ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@ -166,7 +167,7 @@ int main( int argc, char *argv[] )
mbedtls_printf( " . Calculate secrets..." );
fflush( stdout );
ret = mbedtls_ecdh_calc_secret( &ctx_cli, &olen, secret_cli,
ret = mbedtls_ecdh_calc_secret( &ctx_cli, &cli_olen, secret_cli,
sizeof( secret_cli ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@ -176,9 +177,7 @@ int main( int argc, char *argv[] )
goto exit;
}
size_t secret_cli_olen = olen;
ret = mbedtls_ecdh_calc_secret( &ctx_srv, &olen, secret_srv,
ret = mbedtls_ecdh_calc_secret( &ctx_srv, &srv_olen, secret_srv,
sizeof( secret_srv ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@ -188,8 +187,6 @@ int main( int argc, char *argv[] )
goto exit;
}
size_t secret_srv_olen = olen;
mbedtls_printf( " ok\n" );
/*
@ -198,8 +195,8 @@ int main( int argc, char *argv[] )
mbedtls_printf( " . Check if both calculated secrets are equal..." );
fflush( stdout );
ret = memcmp( secret_srv, secret_cli, sizeof( secret_srv_olen ) );
if( ret != 0 || ( secret_cli_olen != secret_srv_olen ) )
ret = memcmp( secret_srv, secret_cli, sizeof( srv_olen ) );
if( ret != 0 || ( cli_olen != srv_olen ) )
{
mbedtls_printf( " failed\n ! Shared secrets not equal.\n" );
goto exit;