Credit sign accidental streakline generating method
A credit and identification technology, which is applied in security communication devices, user identity/authority verification, digital transmission systems, etc., can solve problems such as easy to be scanned and copied, unable to identify authenticity, etc.
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[0028] The present invention relates to a method for generating random ridges of credit identifications. The following describes in detail how the present invention is realized in conjunction with the accompanying drawings:
[0029] As shown in Figure 1:
[0030] Step 111: Prepare a computer electronic file to be signed in the computer system; Step 112; prepare an electronic image of the credit identification pattern to be used (such as an overseal stamp); Step 112; use the content of the electronic file in step 111 as the data source, The column function calculates the hash value step 120; encrypts the hash value with the asymmetric key in the RSA digital signature technology system step 130; obtains a digital signature value with a length of 1024 bits (bit) step 140; The geometric area of the seal (such as a seal) is limited, the data for generating the digital pattern is too long, and there are many characters. In the limited geometric area of the seal, the more charact...
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