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Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

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diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/pyca-cryptography/docs/x509/certificate-transparency.rst b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/pyca-cryptography/docs/x509/certificate-transparency.rst
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+Certificate Transparency
+========================
+
+.. currentmodule:: cryptography.x509.certificate_transparency
+
+`Certificate Transparency`_ is a set of protocols specified in :rfc:`6962`
+which allow X.509 certificates to be sent to append-only logs and have small
+cryptographic proofs that a certificate has been publicly logged. This allows
+for external auditing of the certificates that a certificate authority has
+issued.
+
+.. class:: SignedCertificateTimestamp
+
+    .. versionadded:: 2.0
+
+    SignedCertificateTimestamps (SCTs) are small cryptographically signed
+    assertions that the specified certificate has been submitted to a
+    Certificate Transparency Log, and that it will be part of the public log
+    within some time period, this is called the "maximum merge delay" (MMD) and
+    each log specifies its own.
+
+    .. attribute:: version
+
+        :type: :class:`~cryptography.x509.certificate_transparency.Version`
+
+        The SCT version as an enumeration. Currently only one version has been
+        specified.
+
+    .. attribute:: log_id
+
+        :type: bytes
+
+        An opaque identifier, indicating which log this SCT is from. This is
+        the SHA256 hash of the log's public key.
+
+    .. attribute:: timestamp
+
+        :type: :class:`datetime.datetime`
+
+        A naïve datetime representing the time in UTC at which the log asserts
+        the certificate had been submitted to it.
+
+    .. attribute:: entry_type
+
+        :type:
+            :class:`~cryptography.x509.certificate_transparency.LogEntryType`
+
+        The type of submission to the log that this SCT is for. Log submissions
+        can either be certificates themselves or "pre-certificates" which
+        indicate a binding-intent to issue a certificate for the same data,
+        with SCTs embedded in it.
+
+
+.. class:: Version
+
+    .. versionadded:: 2.0
+
+    An enumeration for SignedCertificateTimestamp versions.
+
+    .. attribute:: v1
+
+        For version 1 SignedCertificateTimestamps.
+
+.. class:: LogEntryType
+
+    .. versionadded:: 2.0
+
+    An enumeration for SignedCertificateTimestamp log entry types.
+
+    .. attribute:: X509_CERTIFICATE
+
+        For SCTs corresponding to X.509 certificates.
+
+    .. attribute:: PRE_CERTIFICATE
+
+        For SCTs corresponding to pre-certificates.
+
+
+.. _`Certificate Transparency`: https://www.certificate-transparency.org/