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SHA-1 Articles

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Apple Drops Support for SHA-1 Certificates in macOS Catalina and iOS 13

Thursday June 6, 2019 7:15 am PDT by
In a new support document, Apple has indicated that macOS Catalina and iOS 13 drop support for TLS certificates signed with the SHA-1 hash algorithm, which is now considered to be insecure. SHA-2 is now required at a minimum. Apple says all TLS server certificates must comply with these new security requirements in macOS Catalina and iOS 13:TLS server certificates and issuing CAs using RSA...