Issue 4175059: code review 4175059: crypto/rsa: left-pad OAEP results when needed.

Keyboard Shortcuts

	File
u :	up to issue
m :	publish + mail comments
M :	edit review message
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line
<Enter> :	respond to / edit current comment
d :	mark current comment as done

	Issue
u :	up to list of issues
m :	publish + mail comments
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue
# :	close issue

	Comment/message editing
<Ctrl> + s or <Ctrl> + Enter :	save comment
<Esc> :	cancel edit

Issue 4175059: code review 4175059: crypto/rsa: left-pad OAEP results when needed. (Closed)

Can't Edit
Can't Publish+Mail
Start Review

Created:
14 years ago by agl1

Modified:
14 years ago

Reviewers:

CC:
rsc, golang-dev

Visibility:
Public.

Description

crypto/rsa: left-pad OAEP results when needed. PKCS#1 v2.1 section 7.1.1 says that the result of an OAEP encryption is "an octet string of length $k$". Since we didn't left-pad the result it was previously possible for the result to be smaller when the most-significant byte was zero. Fixes issue 1519.

Patch Set 1 #

Patch Set 2 : diff -r dea835a8ff3e https://go.googlecode.com/hg/ #

Patch Set 3 : diff -r 8e157f1abc87 https://go.googlecode.com/hg/ #

Created: 14 years ago

Download [raw] [tar.bz2]

		Unified diffs	Side-by-side diffs	Delta from patch set	Stats (+9 lines, -1 line)			Patch
	M	src/pkg/crypto/rsa/rsa.go	View	1	1 chunk	+8 lines, -0 lines	0 comments	Download
	M	src/pkg/crypto/rsa/rsa_test.go	View	1	1 chunk	+1 line, -1 line	0 comments	Download

Messages

Total messages: 3

Expand All Messages | Collapse All Messages

agl1

Hello rsc (cc: golang-dev@googlegroups.com), I'd like you to review this change to https://go.googlecode.com/hg/

14 years ago (2011-02-18 16:26:32 UTC) #1

agl1

14 years ago (2011-02-18 16:31:23 UTC) #3

*** Submitted as http://code.google.com/p/go/source/detail?r=40516d5ec8e3 ***

crypto/rsa: left-pad OAEP results when needed.

PKCS#1 v2.1 section 7.1.1 says that the result of an OAEP encryption
is "an octet string of length $k$". Since we didn't left-pad the
result it was previously possible for the result to be smaller when
the most-significant byte was zero.

Fixes issue 1519.

R=rsc
CC=golang-dev
http://codereview.appspot.com/4175059

Expand All Messages | Collapse All Messages