diff options
| -rw-r--r-- | secret-service/specification.xml | 57 |
1 files changed, 54 insertions, 3 deletions
diff --git a/secret-service/specification.xml b/secret-service/specification.xml index 9a9c81b..a6a1b76 100644 --- a/secret-service/specification.xml +++ b/secret-service/specification.xml @@ -308,7 +308,7 @@ </section> <section> - <title>Algorithm: dh-ietf1024-aes128-cbc-pkcs7</title> + <title>Algorithm: dh-ietf1024-sha256-aes128-cbc-pkcs7</title> <segmentedlist> <?dbhtml list-presentation="list"?> @@ -321,13 +321,22 @@ <classname>Secret</classname> parameter</link></segtitle> <seglistitem> <!-- TODO: literal? --> - <seg><emphasis>dh-ietf1024-aes128-cbc-pkcs7</emphasis></seg> + <seg><emphasis>dh-ietf1024-sha256-aes128-cbc-pkcs7</emphasis></seg> <seg>Client DH pub key as an array of bytes</seg> <seg>Service DH pub key as an array of bytes</seg> <seg>16 byte AES initialization vector</seg> </seglistitem> </segmentedlist> + <para>DH key agreement <citation>rfc2631</citation> is used to create a secret key + using 1024 bit parameters of the standard IETF 'Second Oakley Group' + <citation>rfc2409</citation>. The secret key is then digested into a 128-bit key + appropriate for AES. This is done using HKDF <citation>rfc5869</citation> with NULL + salt and empty info, using the SHA-2 256 hash algorithm + <citation>fips-180-3.2008</citation>. The secrets are encrypted using AES + <citation>fips-197.2001</citation> in cipher block chaining mode with pkcs7 style + padding <citation>rfc2315</citation>.</para> + <para>The public keys are transferred as an array of bytes representing an unsigned integer of arbitrary size, most-significant byte first (e.g., the integer 32768 is represented as the 2-byte string 0x80 0x00)</para> @@ -459,7 +468,7 @@ <part xml:id="ref-dbus-api"> <title>D-Bus API Reference</title> - <chapter xml:id='object-paths'> + <chapter xml:id='object-paths'> <title>Object Paths</title> <para>The various DBus object paths used with the Secret Service API are designed to be human @@ -502,4 +511,46 @@ <xi:include href="xml/annotation-glossary.xml" xmlns:xi="http://www.w3.org/2001/XInclude"> <xi:fallback/> </xi:include> + + <bibliography> + <title>References</title> + + <bibliomixed> + <abbrev>rfc2315</abbrev> + IETF <ulink url="http://www.ietf.org/rfc/rfc2315.txt">RFC 2315</ulink>: + PKCS #7: Cryptographic Message Syntax Version 1.5 + </bibliomixed> + + <bibliomixed> + <abbrev>rfc2409</abbrev> + IETF <ulink url="http://www.ietf.org/rfc/rfc2409.txt">RFC 2409</ulink>: + The Internet Key Exchange (IKE) + </bibliomixed> + + <bibliomixed> + <abbrev>rfc2631</abbrev> + IETF <ulink url="http://www.ietf.org/rfc/rfc2631.txt">RFC 2631</ulink>: + Diffie-Hellman Key Agreement Method + </bibliomixed> + + <bibliomixed> + <abbrev>rfc5869</abbrev> + IETF <ulink url="http://www.ietf.org/rfc/rfc5869.txt">RFC 5869</ulink>: + HMAC-based Extract-and-Expand Key Derivation Function (HKDF) + </bibliomixed> + + <bibliomixed> + <abbrev>fips-180-3.2008</abbrev> + NIST <ulink url="http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf">FIPS PUB 180-3</ulink>: + Secure Hash Standard (SHS), October 2008 + </bibliomixed> + + <bibliomixed> + <abbrev>fips-197.2001</abbrev> + NIST <ulink url="http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf">FIPS PUB 197</ulink>: + Advanced Encryption Standard (AES), November 2001 + </bibliomixed> + + </bibliography> + </book> |