ISO/IEC 23009-4-2013 pdf free.Information technology一Dynamic adaptive streaming over HTTP (DASH) Part 4: Segment encryption and authentication.
This part of ISO/IEC 23009 specifies:
— format-independent segment encryption and signalling mechanisms for use with any media segment format used in DASH (ISO/lEG 23009-1:2012);
— mechanisms to ensure segment integrity and authenticity for use with any segment used in DASH
(ISO/lEG 23009-1:2012).
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO/lEG 23009-1:2012, Information technology — Dynamic adaptive streaming over HTTP (DASH) — Part 1:
Media presentation description and segment formats
Advanced Encryption Standard, Federal Information Processing Standards Publication 197, FIPS197, httpi/www.nist.pov/
Secure Hash Standard, Federal Information Processing Standards Publication 180, FIPS 180- 3, http’J/www.nist.ppvl
Recommendation of Block Cipher Modes of Operation, N 1ST, NIST Special Publication 800- 38A. httoi/www.nist.gov/
Recommendation for Block Cipher Modes of Operation: Galois/Counter Mode (GCM) and GMAC, NIST, NIST Special Publication 800-380. httpl/www.nist.pov/
IETF RFC 2104, HMAC: Keyed-Hashing for Message Authentication, H. Krawczyk, M. Bellare. R. Canetti, February 1997
IETF RFC 2616. Hypertext Transfer Protocol — HTTP/1. 1, June 1999
IETF RFC 3986, Uniform Resource Identifier (URI): Generic Syntax, January 2005
IETF RFC 5246, The Transport Layer Security (TLS) Protocol, T. Dierks et al, August 2008
IETF RFC 5652/STO 70. Cryptographic Message Syntax (CMS). A. Housley, September 2009
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the fllowing terms and defintions apply.
3.1.1 additional authenticated data
input data to the authenticated encryption function that is authenticated but not encrypted
3.1.2 authentication tag
cryptographic checksum on data that is designed to reveal both accidental errors and the intentional
modification of the data
3.1.3 authenticated encryption
mode of operation in which the plaintext is encrypted into the ciphertext, and an authentication tag is
generated on the AAD and the ciphertext
3.1.4 cryptoperiod
number of continuous segments for which the same encryption key and the same initialization vector are used
3.1.5 encryption system
system used for encryption of Media Segments using keys provided by the Key System
3.1.6 key system
system that provides keys necessary for decryption of Media Segments
3.1.7 segment number
unique positive integer associated with a Media Segment within a Representation.ISO/IEC 23009-4 pdf download.
Tags: Information technology
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