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The KeyUsage field must include at least one of the following values:
digitalSignature,keyEnciphermentordataEncipherment.The KeyUsage field must not include
nonRepudiation.The Extended Key Usage ExtendedKeyUsage field may contain
ClientAuthenticationorServerAuthentication.
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The KeyUsage field must include
nonRepudiation.The KeyUsage field must not include any of the following values:
digitalSignature,keyEnciphermentanddataEncipherment.The ExtendedKeyUsage field must not include
ClientAuthentication.The CA issuing must ensure that Qualified eSeal certificates are issued only if private key is stored on a Qualified Signature Creation Device.
The CA must ensure that Advanced eSeal certificates are issued only if private key is handle securely by certificate owner.
When a Qualified Signature Creation Device is used, the Device must support PKCS#11 protocol for connectivity.
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