The government denies arming militias and tribal factions in Darfur, although it has raided camps in the past in search of rebel strongholds.
International experts say 200,000 people have been killed in more than four years of fighting, raping and looting in Darfur and more than 2.5 million have been driven from their homes to seek refuge in camps such as Kalma and Hamidiya.
Khartoum says the figures have been exaggerated by the media and campaign groups.
France's Yade told reporters on Monday she had delivered a letter from French President Nicolas Sarkozy to Sudanese President Omar Hassan al-Bashir, setting out concerns about the worsening situation in Darfur.
"There is still immense suffering," she said. "We know from UNICEF that 35 children still die every day. We know that women are still raped. We strongly condemn those responsible for these serious crimes, which are crimes against humanity and war crimes."
Yade said the French government would keep up efforts to persuade defiant Darfur rebel leader Abdel Wahed Mohamed Ahmed el-Nur to leave Paris and attend peace talks in Libya.
Nur, the founder of the Sudan Liberation Army, has refused to join other insurgent groups in Libya, demanding a series of concessions from the government ahead of negotiations.
"The Libyan negations will begin on 27th October," said Yade. "We will do all we can to persuade him to join those negotiations in the run up to that date," she said.
Yade added France was ready to support a 26,000-strong force of U.N./African Union peace keepers in the region "if it proves necessary". The force is due to replace a hard-pressed body of 7,000 African Union peacekeepers from Jan. 1.
Concerns have already been raised about whether it will be ready in time. The U.N. on Sunday said it was lobbying countries to provide 24 transport and attack helicopters.
