| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 17903.2-1999 | English | 679 |
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Days<=3
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Information technology-Security techniques-Non-repudiation-Part 2: Mechanisms using symmetric techniques
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GB/T 17903.2-1999
| Obsolete |
GB/T 17903.2-1999
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