Talk:Apk spec - Revision history

Zcrayfish: Unsigned comment attribution, part 2

2023-08-14T02:33:05Z

Unsigned comment attribution, part 2

← Older revision		Revision as of 02:33, 14 August 2023
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	\|}		\|}

			<small><span class="autosigned">— Preceding [[Help:Signature\|unsigned]] comment added by [[User:Mårten\|Mårten]] ([[User talk:Mårten\|{{int:talkpagelinktext}}]] • [[Special:Contributions/Mårten\|{{int:contribslink}}]]) 12:31, 11 December 2022‎</span></small>
	== gzip stream or gzip member ==		== gzip stream or gzip member ==

Zcrayfish: /* gzip stream or gzip member */ Unsigned comment attribution part 1.

2023-08-14T02:32:14Z

gzip stream or gzip member: Unsigned comment attribution part 1.

← Older revision		Revision as of 02:32, 14 August 2023
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	Gzip streams could perhaps be called members as the rfc1952 refers them to or the gzip documentation https://www.gnu.org/software/gzip/manual/html_node/Advanced-usage.html.		Gzip streams could perhaps be called members as the rfc1952 refers them to or the gzip documentation https://www.gnu.org/software/gzip/manual/html_node/Advanced-usage.html.

			<small><span class="autosigned">— Preceding [[Help:Signature\|unsigned]] comment added by [[User:Mårten\|Mårten]] ([[User talk:Mårten\|{{int:talkpagelinktext}}]] • [[Special:Contributions/Mårten\|{{int:contribslink}}]]) 14:08, 2 March 2023‎</span></small>

Mårten at 19:08, 2 March 2023

2023-03-02T19:08:36Z

← Older revision		Revision as of 19:08, 2 March 2023
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	== gzip stream or gzip member ==		== gzip stream or gzip member ==

	Gzip ~~stream~~ could perhaps be called members as the rfc1952 refers them to or the gzip documentation https://www.gnu.org/software/gzip/manual/html_node/Advanced-usage.html.		Gzip streams could perhaps be called members as the rfc1952 refers them to or the gzip documentation https://www.gnu.org/software/gzip/manual/html_node/Advanced-usage.html.

Mårten: /* gzip stream or gzip member */ new section

2023-03-02T18:59:35Z

gzip stream or gzip member: new section

← Older revision		Revision as of 18:59, 2 March 2023
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	\| '''Files''' \|\| Index Signature \|\| Description and APKINDEX		\| '''Files''' \|\| Index Signature \|\| Description and APKINDEX
	\|}		\|}

			== gzip stream or gzip member ==

			Gzip stream could perhaps be called members as the rfc1952 refers them to or the gzip documentation https://www.gnu.org/software/gzip/manual/html_node/Advanced-usage.html.

Mårten at 17:31, 11 December 2022

2022-12-11T17:31:30Z

← Older revision		Revision as of 17:31, 11 December 2022
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	\| '''Tar''' \|\| apk-tar-segment-1 \|\| apk-tar-segment-2 \|\| apk-tarball		\| '''Tar''' \|\| apk-tar-segment-1 \|\| apk-tar-segment-2 \|\| apk-tarball
	\|-		\|-
	\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ...] \|\| [h, d, h, d, ..., e1, e2 ]		\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ...] \|\| [h, d, h, d, ..., eof1, eof2 ]
	\|-		\|-
	\| '''Files''' \|\| Package Signature \|\| Control Data \|\| Package Data		\| '''Files''' \|\| Package Signature \|\| Control Data \|\| Package Data
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	\| '''Tar''' \|\| index-tar-segment-1 \|\| index-tar-segment-2		\| '''Tar''' \|\| index-tar-segment-1 \|\| index-tar-segment-2
	\|-		\|-
	\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ..., d1, d2]		\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ..., eof1, eof2]
	\|-		\|-
	\| '''Files''' \|\| Index Signature \|\| Description and APKINDEX		\| '''Files''' \|\| Index Signature \|\| Description and APKINDEX
	\|}		\|}

Mårten at 17:30, 11 December 2022

2022-12-11T17:30:23Z

← Older revision		Revision as of 17:30, 11 December 2022
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	~~APK v2 package/index terminology~~

	~~record/block~~
	~~A 512 byte sequence of bytes, a block~~

	h
	~~header record/block~~

	d
	~~data record/block~~

	~~e1, e2~~
	~~EOF markers (two blocks 1024 bytes)~~

	~~tar archive~~
	~~A tar archive file, consiting of a set of files, a sequence of blocks ending with the eof marker blocks.~~

	~~tar segment~~
	~~A set of tar records, a sequence of tar records withouth a ending eof marker.~~

	~~gzip stream~~
	~~A stream is a sequence gzip compressed data, starting with a magic number, headers, body and an ending 8-byte trailer.~~

	~~[ ... ]~~
	~~A gzip stream containing blocks~~

	~~concatenate~~
	~~To link togther things in a series or chain. ie. concatenate.~~
	~~Concatenate 3 gzip streams sequentially in a file.~~

	~~package signature~~
	~~A single file that is a binary signature over the concatenated (control + data) gzip streams~~

	~~package signature file~~
	~~DigestRSA-PKCS1v15(SHA1( apk-gzip-stream-2 ++ apk-gzip-stream-3), DER)~~

	~~index signature file~~
	~~DigestRSA-PKCS1v15(SHA1( index-gzip-stream-2), DER)~~

	h
	~~A tar header record block~~

	h1
	~~Signature file header, permission 0644, uid 0 and gid 0.~~

	~~C: checksum~~
	~~The SHA1 hash of the "Control data" gzip stream (gzip stream 2)~~


	{\| class="wikitable"		{\| class="wikitable"
	\|+ APK v2 package layout		\|+ APK v2 package layout

Mårten at 17:29, 11 December 2022

2022-12-11T17:29:41Z

← Older revision		Revision as of 17:29, 11 December 2022
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	\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ..., d1, d2]		\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ..., d1, d2]
	\|-		\|-
	\| '''Files''' \|\| ~~Package~~ Signature \|\| Description and APKINDEX		\| '''Files''' \|\| Index Signature \|\| Description and APKINDEX
	\|}		\|}

Mårten at 22:19, 4 December 2022

2022-12-04T22:19:41Z

← Older revision		Revision as of 22:19, 4 December 2022
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	- APK v2 package/index terminology		APK v2 package/index terminology

	record A 512 byte sequence of bytes, a block		record/block
	h ~~Header~~ record		A 512 byte sequence of bytes, a block
	d ~~Data~~ record
	e1, e2 ~~Eof~~ markers (two blocks 1024 bytes)		h
	tar archive A tar archive file, consiting of a set of files, a sequence of blocks ending with the eof marker blocks.		header record/block
	tar segment A set of tar records, a sequence of tar records withouth a ending eof marker.
	gzip stream A stream is a sequence gzip compressed data, starting with a magic number, headers, body and an ending 8-byte trailer.		d
	[ ... ] A gzip stream containing blocks		data record/block
	concatenate To link togther things in a series or chain. ie. concatenate.
	Concatenate 3 gzip streams sequentially in a file.		e1, e2
	package signature A single file that is a binary signature over the concatenated (control + data) gzip streams		EOF markers (two blocks 1024 bytes)
	package signature file DigestRSA-PKCS1v15(SHA1( apk-gzip-stream-2 ++ apk-gzip-stream-3), DER)
	index signature file DigestRSA-PKCS1v15(SHA1( index-gzip-stream-2), DER)		tar archive
	h A tar header record block		A tar archive file, consiting of a set of files, a sequence of blocks ending with the eof marker blocks.
	h1 Signature file header, permission 0644, uid 0 and gid 0.
	C: checksum The SHA1 hash of the "Control data" gzip stream (gzip stream 2)		tar segment
			A set of tar records, a sequence of tar records withouth a ending eof marker.

			gzip stream
			A stream is a sequence gzip compressed data, starting with a magic number, headers, body and an ending 8-byte trailer.

			[ ... ]
			A gzip stream containing blocks

			concatenate
			To link togther things in a series or chain. ie. concatenate.
			Concatenate 3 gzip streams sequentially in a file.

			package signature
			A single file that is a binary signature over the concatenated (control + data) gzip streams

			package signature file
			DigestRSA-PKCS1v15(SHA1( apk-gzip-stream-2 ++ apk-gzip-stream-3), DER)

			index signature file
			DigestRSA-PKCS1v15(SHA1( index-gzip-stream-2), DER)

			h
			A tar header record block

			h1
			Signature file header, permission 0644, uid 0 and gid 0.

			C: checksum
			The SHA1 hash of the "Control data" gzip stream (gzip stream 2)

Mårten at 22:18, 4 December 2022

2022-12-04T22:18:16Z

← Older revision		Revision as of 22:18, 4 December 2022
Line 1:		Line 1:
			- APK v2 package/index terminology

			record A 512 byte sequence of bytes, a block
			h Header record
			d Data record
			e1, e2 Eof markers (two blocks 1024 bytes)
			tar archive A tar archive file, consiting of a set of files, a sequence of blocks ending with the eof marker blocks.
			tar segment A set of tar records, a sequence of tar records withouth a ending eof marker.
			gzip stream A stream is a sequence gzip compressed data, starting with a magic number, headers, body and an ending 8-byte trailer.
			[ ... ] A gzip stream containing blocks
			concatenate To link togther things in a series or chain. ie. concatenate.
			Concatenate 3 gzip streams sequentially in a file.
			package signature A single file that is a binary signature over the concatenated (control + data) gzip streams
			package signature file DigestRSA-PKCS1v15(SHA1( apk-gzip-stream-2 ++ apk-gzip-stream-3), DER)
			index signature file DigestRSA-PKCS1v15(SHA1( index-gzip-stream-2), DER)
			h A tar header record block
			h1 Signature file header, permission 0644, uid 0 and gid 0.
			C: checksum The SHA1 hash of the "Control data" gzip stream (gzip stream 2)


	{\| class="wikitable"		{\| class="wikitable"
	\|+ APK v2 package layout		\|+ APK v2 package layout

Mårten at 22:17, 4 December 2022

2022-12-04T22:17:52Z

← Older revision		Revision as of 22:17, 4 December 2022
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	\| '''Gzip Streams''' \|\| apk-gzip-stream1 \|\| apk-gzip-stream2 \|\| apk-gzip-stream-3		\| '''Gzip Streams''' \|\| apk-gzip-stream1 \|\| apk-gzip-stream2 \|\| apk-gzip-stream-3
	\|-		\|-
	\| '''Tar ~~elements~~''' \|\| apk-tar-segment-1 \|\| apk-tar-segment-2 \|\| apk-tarball		\| '''Tar''' \|\| apk-tar-segment-1 \|\| apk-tar-segment-2 \|\| apk-tarball
	\|-		\|-
	\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ...] \|\| [h, d, h, d, ..., e1, e2 ]		\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ...] \|\| [h, d, h, d, ..., e1, e2 ]
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	\| '''Gzip Streams''' \|\| index-gzip-stream1 \|\| index-gzip-stream2		\| '''Gzip Streams''' \|\| index-gzip-stream1 \|\| index-gzip-stream2
	\|-		\|-
	\| '''Tar ~~elements~~''' \|\| index-tar-segment-1 \|\| index-tar-segment-2		\| '''Tar''' \|\| index-tar-segment-1 \|\| index-tar-segment-2
	\|-		\|-
	\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ..., d1, d2]		\| '''Blocks''' \|\| [h1, d, ...] \|\| [h, d, ..., d1, d2]