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partly imported from tenfourfox: #578: M1579060 M1586176

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This commit is contained in:
Roy Tam 2019-12-10 10:53:09 +08:00
commit 91821d6b92
2 changed files with 18 additions and 12 deletions
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19
security/pkix/lib/pkixcert.cpp
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@ -105,29 +105,24 @@ BackCert::Init()
return rv;
}
static const uint8_t CSC = der::CONTEXT_SPECIFIC | der::CONSTRUCTED;
// According to RFC 5280, all fields below this line are forbidden for
// certificate versions less than v3. However, for compatibility reasons,
// we parse v1/v2 certificates in the same way as v3 certificates. So if
// these fields appear in a v1 certificate, they will be used.
// Ignore issuerUniqueID if present.
if (tbsCertificate.Peek(CSC | 1)) {
rv = der::ExpectTagAndSkipValue(tbsCertificate, CSC | 1);
if (rv != Success) {
return rv;
}
rv = der::SkipOptionalImplicitPrimitiveTag(tbsCertificate, 1);
if (rv != Success) {
return rv;
}
// Ignore subjectUniqueID if present.
if (tbsCertificate.Peek(CSC | 2)) {
rv = der::ExpectTagAndSkipValue(tbsCertificate, CSC | 2);
if (rv != Success) {
return rv;
}
rv = der::SkipOptionalImplicitPrimitiveTag(tbsCertificate, 2);
if (rv != Success) {
return rv;
}
static const uint8_t CSC = der::CONTEXT_SPECIFIC | der::CONSTRUCTED;
rv = der::OptionalExtensions(
tbsCertificate, CSC | 3,
[this](Reader& extnID, const Input& extnValue, bool critical,