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| -rw-r--r-- | docs/x509/reference.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/x509/reference.rst b/docs/x509/reference.rst index 61f73e9d..e83a4ace 100644 --- a/docs/x509/reference.rst +++ b/docs/x509/reference.rst @@ -1125,7 +1125,9 @@ X.509 Extensions Creates a new SubjectKeyIdentifier instance using the public key provided to generate the appropriate digest. This should be the public - key that is in the certificate. + key that is in the certificate. The generated digest is the SHA1 hash + of the ``subjectPublicKey`` ASN.1 bit string. This is the first + recommendation in :rfc:`5280` section 4.2.1.2. :param public_key: One of :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey` |