由于苹果公司拒绝自愿提供手机加密技术的“钥匙”，联邦检察官说，他们别无选择，只能让法官迫使苹果提供援助。
Because Apple declined to voluntarily provide, in essence, the "keys" to its encryption technology, federal prosecutors said they saw little choice but to get a judge to compel Apple's assistance.
BOINC能防止各种类型的攻击。例如，使用基于公共钥匙加密技术的数字签名来防范病毒传播。
BOINC protects against several types of attacks. For example, digital signatures based on public-key encryption protect against the distribution of viruses.
BOINC能防止各种类型的攻击。例如，使用基于公共钥匙加密技术的数字签名来防范病毒传播。
BOINC protects against several types of attacks. For example, digital signatures based on public-key encryption protect against the distribution of viruses.
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