Fix ots sig length check in LMS validate function
@@ -733,7 +733,7 @@ int mbedtls_lms_sign( mbedtls_lms_private_t *ctx,
ret = mbedtls_lmots_sign( &ctx->ots_private_keys[q_leaf_identifier],
f_rng, p_rng, msg, msg_size,
sig + SIG_OTS_SIG_OFFSET,
- MBEDTLS_LMS_SIG_LEN(ctx->params.type, ctx->params.otstype),
+ MBEDTLS_LMS_SIG_LEN(ctx->params.type, ctx->params.otstype) - SIG_OTS_SIG_OFFSET,
NULL );
if( ret != 0 )
{
