parent
7eb62a0898
commit
b44c98e4d8
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@ -67,9 +67,12 @@ int sc_asn1_read_tag(const u8 ** buf, size_t buflen, unsigned int *cla_out,
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if (left < 2)
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if (left < 2)
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return SC_ERROR_INVALID_ASN1_OBJECT;
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return SC_ERROR_INVALID_ASN1_OBJECT;
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*buf = NULL;
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*buf = NULL;
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if (*p == 0xff || *p == 0)
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if (*p == 0xff || *p == 0) {
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/* end of data reached */
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/* end of data reached */
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*taglen = 0;
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*tag_out = SC_ASN1_TAG_EOC;
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return SC_SUCCESS;
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return SC_SUCCESS;
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}
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/* parse tag byte(s) */
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/* parse tag byte(s) */
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cla = (*p & SC_ASN1_TAG_CLASS) | (*p & SC_ASN1_TAG_CONSTRUCTED);
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cla = (*p & SC_ASN1_TAG_CLASS) | (*p & SC_ASN1_TAG_CONSTRUCTED);
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tag = *p & SC_ASN1_TAG_PRIMITIVE;
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tag = *p & SC_ASN1_TAG_PRIMITIVE;
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