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99 lines
2.7 KiB
Plaintext
99 lines
2.7 KiB
Plaintext
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=pod
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=head1 NAME
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openssl-glossary - An OpenSSL Glossary
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=head1 DESCRIPTION
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=for comment Please keep the items in case-insensitive alphabetical order
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=over 4
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=item ASN.1, ASN1
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ASN.1 ("Abstract Syntax Notation One") is a notation for describing abstract
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types and values. It is defined in the ITU-T documents X.680 to X.683:
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L<https://www.itu.int/rec/T-REC-X.680>,
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L<https://www.itu.int/rec/T-REC-X.681>,
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L<https://www.itu.int/rec/T-REC-X.682>,
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L<https://www.itu.int/rec/T-REC-X.683>
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=item DER ("Distinguished Encoding Rules")
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DER is a binary encoding of data, structured according to an ASN.1
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specification. This is a common encoding used for cryptographic objects
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such as private and public keys, certificates, CRLs, ...
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It is defined in ITU-T document X.690:
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L<https://www.itu.int/rec/T-REC-X.690>
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=item MSBLOB
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MSBLOB is a Microsoft specific binary format for RSA and DSA keys, both
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private and public. This form is never passphrase protected.
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=item PEM ("Privacy Enhanced Message")
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PEM is a format used for encoding of binary content into a mail and ASCII
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friendly form. The content is a series of base64-encoded lines, surrounded
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by begin/end markers each on their own line. For example:
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-----BEGIN PRIVATE KEY-----
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MIICdg....
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... bhTQ==
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-----END PRIVATE KEY-----
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Optional header line(s) may appear after the begin line, and their existence
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depends on the type of object being written or read.
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For all OpenSSL uses, the binary content is expected to be a DER encoded
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structure.
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This is defined in IETF RFC 1421:
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L<https://tools.ietf.org/html/rfc1421>
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=item PKCS#8 (also known as "pkcs8" in some parts of OpenSSL)
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PKCS#8 is a specification of an ASN.1 structure that OpenSSL uses for
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storing or transmitting any private key in a key type agnostic manner, and
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has both an unencrypted and an encrypted form.
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This is specified in RFC 5208:
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L<https://tools.ietf.org/html/rfc5208>
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=item PVK
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PVK is a Microsoft specific binary format for RSA and DSA private keys.
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This form may be passphrase protected.
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=item SubjectPublicKeyInfo
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SubjectPublicKeyInfo is an ASN.1 structure that OpenSSL uses for storing and
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transmitting any public key in a key type agnostic manner.
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This is specified as part of the specification for certificates, RFC 5280:
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L<https://tools.ietf.org/html/rfc5280>
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=back
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=head1 HISTORY
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This glossary was added in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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