| /* Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
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| * modification, are permitted provided that the following conditions |
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| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
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| |
| [ |
| Conditional=WEB_CRYPTO, |
| ImplementedAs=CryptoAlgorithmAesCtrParams |
| ] dictionary AesCtrParams : CryptoAlgorithmParameters { |
| // The initial value of the counter block. counter MUST be 16 bytes |
| // (the AES block size). The counter bits are the rightmost length |
| // bits of the counter block. The rest of the counter block is for |
| // the nonce. The counter bits are incremented using the standard |
| // incrementing function specified in NIST SP 800-38A Appendix B.1: |
| // the counter bits are interpreted as a big-endian integer and |
| // incremented by one. |
| required BufferSource counter; |
| // The length, in bits, of the rightmost part of the counter block |
| // that is incremented. |
| required [EnforceRange] octet length; |
| }; |