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IETF RFC 6229
Test Vectors for the Stream Cipher RC4
Last modified on Tuesday, May 17th, 2011
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Internet Engineering Task Force (IETF) J. Strombergson
Request for Comments: 6229 SecWorks Sweden AB
Category: Informational S. Josefsson
ISSN: 2070-1721 Simon Josefsson Datakonsult AB
May 2011
Test Vectors for the Stream Cipher RC4
 Abstract
This document contains test vectors for the stream cipher RC4.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for informational purposes.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Not all documents
approved by the IESG are a candidate for any level of Internet
Standard; see Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/RFC 6229.
Copyright Notice
Copyright (c) 2011 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Strombergson & Josefsson Informational PAGE 1 
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Test Vectors for RC4 . . . . . . . . . . . . . . . . . . . . . 4
3. Security Considerations . . . . . . . . . . . . . . . . . . . 11
4. Copying Conditions . . . . . . . . . . . . . . . . . . . . . . 11
5. References . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1. Normative References . . . . . . . . . . . . . . . . . . . 11
5.2. Informative References . . . . . . . . . . . . . . . . . . 11
1. Introduction
The RC4 [RC4] algorithm is a widely used stream cipher. Test vectors
for algorithms are useful for implementers. The RC4 cipher can use
different key lengths. Advances in crypto-analysis [FMcG] [MANTIN01]
[MIRONOV] [MANTIN05] suggest that initial parts of the stream output
need to be discarded. This document contains several test vectors
for different key lengths and for different offsets in the stream.
Motivation for this document arose from the implementation of
[RFC 4345].
The test vectors provided in this document have been collected by
generating RC4 keystream output from three separate implementations
and comparing the streams. The RC4 implementations used are
Libgcrypt 1.4.4 [LIBGCRYPT], Nettle 2.0 [NETTLE], and a custom
implementation.
The document contains test vectors for two different keys:
Key 1: The key byte index (starting on one), that is: 0x01, 0x02,
0x03, 0x04,...
Key 2: Generated by hashing the string "Internet Engineering Task
Force" with the SHA-256 [SHS] [RFC 4634] hash function, using the
following command:
$ echo -n "Internet Engineering Task Force" | sha256sum
1ada31d5cf688221c109163908ebe51debb46227c6cc8b37641910833222772a
The generated string has also been verified using the SHA-256 hash
function implementation in OpenSSL (versions 0.9.8l and 1.0.0a)
[OPENSSL].
The digest that is generated is then truncated to the appropriate
length, keeping the Least Significant Bit (LSB) part of the digest as
the key.
Strombergson & Josefsson Informational PAGE 2
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
The key lengths used in this document are 40, 56, 64, 80, 128, 192,
and 256 bits, respectively. The stream offsets used in this document
are 0, 256, 512, 768, 1024, 1536, 2048, 3072, and 4096 bytes,
respectively. Offset 1536 corresponds to recommendations in
[RFC 4345]. The offsets 768 and 3072 correspond to recommendations in
[SANS].
2. Test Vectors for RC4
Key length: 40 bits.
key: 0x0102030405
DEC 0 HEX 0: b2 39 63 05 f0 3d c0 27 cc c3 52 4a 0a 11 18 a8
DEC 16 HEX 10: 69 82 94 4f 18 fc 82 d5 89 c4 03 a4 7a 0d 09 19
DEC 240 HEX f0: 28 cb 11 32 c9 6c e2 86 42 1d ca ad b8 b6 9e ae
DEC 256 HEX 100: 1c fc f6 2b 03 ed db 64 1d 77 df cf 7f 8d 8c 93
DEC 496 HEX 1f0: 42 b7 d0 cd d9 18 a8 a3 3d d5 17 81 c8 1f 40 41
DEC 512 HEX 200: 64 59 84 44 32 a7 da 92 3c fb 3e b4 98 06 61 f6
DEC 752 HEX 2f0: ec 10 32 7b de 2b ee fd 18 f9 27 76 80 45 7e 22
DEC 768 HEX 300: eb 62 63 8d 4f 0b a1 fe 9f ca 20 e0 5b f8 ff 2b
DEC 1008 HEX 3f0: 45 12 90 48 e6 a0 ed 0b 56 b4 90 33 8f 07 8d a5
DEC 1024 HEX 400: 30 ab bc c7 c2 0b 01 60 9f 23 ee 2d 5f 6b b7 df
DEC 1520 HEX 5f0: 32 94 f7 44 d8 f9 79 05 07 e7 0f 62 e5 bb ce ea
DEC 1536 HEX 600: d8 72 9d b4 18 82 25 9b ee 4f 82 53 25 f5 a1 30
DEC 2032 HEX 7f0: 1e b1 4a 0c 13 b3 bf 47 fa 2a 0b a9 3a d4 5b 8b
DEC 2048 HEX 800: cc 58 2f 8b a9 f2 65 e2 b1 be 91 12 e9 75 d2 d7
DEC 3056 HEX bf0: f2 e3 0f 9b d1 02 ec bf 75 aa ad e9 bc 35 c4 3c
DEC 3072 HEX c00: ec 0e 11 c4 79 dc 32 9d c8 da 79 68 fe 96 56 81
DEC 4080 HEX ff0: 06 83 26 a2 11 84 16 d2 1f 9d 04 b2 cd 1c a0 50
DEC 4096 HEX 1000: ff 25 b5 89 95 99 67 07 e5 1f bd f0 8b 34 d8 75
Strombergson & Josefsson Informational PAGE 3
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Key length: 56 bits.
key: 0x01020304050607
DEC 0 HEX 0: 29 3f 02 d4 7f 37 c9 b6 33 f2 af 52 85 fe b4 6b
DEC 16 HEX 10: e6 20 f1 39 0d 19 bd 84 e2 e0 fd 75 20 31 af c1
DEC 240 HEX f0: 91 4f 02 53 1c 92 18 81 0d f6 0f 67 e3 38 15 4c
DEC 256 HEX 100: d0 fd b5 83 07 3c e8 5a b8 39 17 74 0e c0 11 d5
DEC 496 HEX 1f0: 75 f8 14 11 e8 71 cf fa 70 b9 0c 74 c5 92 e4 54
DEC 512 HEX 200: 0b b8 72 02 93 8d ad 60 9e 87 a5 a1 b0 79 e5 e4
DEC 752 HEX 2f0: c2 91 12 46 b6 12 e7 e7 b9 03 df ed a1 da d8 66
DEC 768 HEX 300: 32 82 8f 91 50 2b 62 91 36 8d e8 08 1d e3 6f c2
DEC 1008 HEX 3f0: f3 b9 a7 e3 b2 97 bf 9a d8 04 51 2f 90 63 ef f1
DEC 1024 HEX 400: 8e cb 67 a9 ba 1f 55 a5 a0 67 e2 b0 26 a3 67 6f
DEC 1520 HEX 5f0: d2 aa 90 2b d4 2d 0d 7c fd 34 0c d4 58 10 52 9f
DEC 1536 HEX 600: 78 b2 72 c9 6e 42 ea b4 c6 0b d9 14 e3 9d 06 e3
DEC 2032 HEX 7f0: f4 33 2f d3 1a 07 93 96 ee 3c ee 3f 2a 4f f0 49
DEC 2048 HEX 800: 05 45 97 81 d4 1f da 7f 30 c1 be 7e 12 46 c6 23
DEC 3056 HEX bf0: ad fd 38 68 b8 e5 14 85 d5 e6 10 01 7e 3d d6 09
DEC 3072 HEX c00: ad 26 58 1c 0c 5b e4 5f 4c ea 01 db 2f 38 05 d5
DEC 4080 HEX ff0: f3 17 2c ef fc 3b 3d 99 7c 85 cc d5 af 1a 95 0c
DEC 4096 HEX 1000: e7 4b 0b 97 31 22 7f d3 7c 0e c0 8a 47 dd d8 b8
Key length: 64 bits.
key: 0x0102030405060708
DEC 0 HEX 0: 97 ab 8a 1b f0 af b9 61 32 f2 f6 72 58 da 15 a8
DEC 16 HEX 10: 82 63 ef db 45 c4 a1 86 84 ef 87 e6 b1 9e 5b 09
DEC 240 HEX f0: 96 36 eb c9 84 19 26 f4 f7 d1 f3 62 bd df 6e 18
DEC 256 HEX 100: d0 a9 90 ff 2c 05 fe f5 b9 03 73 c9 ff 4b 87 0a
DEC 496 HEX 1f0: 73 23 9f 1d b7 f4 1d 80 b6 43 c0 c5 25 18 ec 63
DEC 512 HEX 200: 16 3b 31 99 23 a6 bd b4 52 7c 62 61 26 70 3c 0f
DEC 752 HEX 2f0: 49 d6 c8 af 0f 97 14 4a 87 df 21 d9 14 72 f9 66
DEC 768 HEX 300: 44 17 3a 10 3b 66 16 c5 d5 ad 1c ee 40 c8 63 d0
DEC 1008 HEX 3f0: 27 3c 9c 4b 27 f3 22 e4 e7 16 ef 53 a4 7d e7 a4
DEC 1024 HEX 400: c6 d0 e7 b2 26 25 9f a9 02 34 90 b2 61 67 ad 1d
DEC 1520 HEX 5f0: 1f e8 98 67 13 f0 7c 3d 9a e1 c1 63 ff 8c f9 d3
DEC 1536 HEX 600: 83 69 e1 a9 65 61 0b e8 87 fb d0 c7 91 62 aa fb
DEC 2032 HEX 7f0: 0a 01 27 ab b4 44 84 b9 fb ef 5a bc ae 1b 57 9f
DEC 2048 HEX 800: c2 cd ad c6 40 2e 8e e8 66 e1 f3 7b db 47 e4 2c
DEC 3056 HEX bf0: 26 b5 1e a3 7d f8 e1 d6 f7 6f c3 b6 6a 74 29 b3
DEC 3072 HEX c00: bc 76 83 20 5d 4f 44 3d c1 f2 9d da 33 15 c8 7b
DEC 4080 HEX ff0: d5 fa 5a 34 69 d2 9a aa f8 3d 23 58 9d b8 c8 5b
DEC 4096 HEX 1000: 3f b4 6e 2c 8f 0f 06 8e dc e8 cd cd 7d fc 58 62
Strombergson & Josefsson Informational PAGE 4
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Key length: 80 bits.
key: 0x0102030405060708090a
DEC 0 HEX 0: ed e3 b0 46 43 e5 86 cc 90 7d c2 18 51 70 99 02
DEC 16 HEX 10: 03 51 6b a7 8f 41 3b eb 22 3a a5 d4 d2 df 67 11
DEC 240 HEX f0: 3c fd 6c b5 8e e0 fd de 64 01 76 ad 00 00 04 4d
DEC 256 HEX 100: 48 53 2b 21 fb 60 79 c9 11 4c 0f fd 9c 04 a1 ad
DEC 496 HEX 1f0: 3e 8c ea 98 01 71 09 97 90 84 b1 ef 92 f9 9d 86
DEC 512 HEX 200: e2 0f b4 9b db 33 7e e4 8b 8d 8d c0 f4 af ef fe
DEC 752 HEX 2f0: 5c 25 21 ea cd 79 66 f1 5e 05 65 44 be a0 d3 15
DEC 768 HEX 300: e0 67 a7 03 19 31 a2 46 a6 c3 87 5d 2f 67 8a cb
DEC 1008 HEX 3f0: a6 4f 70 af 88 ae 56 b6 f8 75 81 c0 e2 3e 6b 08
DEC 1024 HEX 400: f4 49 03 1d e3 12 81 4e c6 f3 19 29 1f 4a 05 16
DEC 1520 HEX 5f0: bd ae 85 92 4b 3c b1 d0 a2 e3 3a 30 c6 d7 95 99
DEC 1536 HEX 600: 8a 0f ed db ac 86 5a 09 bc d1 27 fb 56 2e d6 0a
DEC 2032 HEX 7f0: b5 5a 0a 5b 51 a1 2a 8b e3 48 99 c3 e0 47 51 1a
DEC 2048 HEX 800: d9 a0 9c ea 3c e7 5f e3 96 98 07 03 17 a7 13 39
DEC 3056 HEX bf0: 55 22 25 ed 11 77 f4 45 84 ac 8c fa 6c 4e b5 fc
DEC 3072 HEX c00: 7e 82 cb ab fc 95 38 1b 08 09 98 44 21 29 c2 f8
DEC 4080 HEX ff0: 1f 13 5e d1 4c e6 0a 91 36 9d 23 22 be f2 5e 3c
DEC 4096 HEX 1000: 08 b6 be 45 12 4a 43 e2 eb 77 95 3f 84 dc 85 53
Key length: 128 bits.
key: 0x0102030405060708090a0b0c0d0e0f10
DEC 0 HEX 0: 9a c7 cc 9a 60 9d 1e f7 b2 93 28 99 cd e4 1b 97
DEC 16 HEX 10: 52 48 c4 95 90 14 12 6a 6e 8a 84 f1 1d 1a 9e 1c
DEC 240 HEX f0: 06 59 02 e4 b6 20 f6 cc 36 c8 58 9f 66 43 2f 2b
DEC 256 HEX 100: d3 9d 56 6b c6 bc e3 01 07 68 15 15 49 f3 87 3f
DEC 496 HEX 1f0: b6 d1 e6 c4 a5 e4 77 1c ad 79 53 8d f2 95 fb 11
DEC 512 HEX 200: c6 8c 1d 5c 55 9a 97 41 23 df 1d bc 52 a4 3b 89
DEC 752 HEX 2f0: c5 ec f8 8d e8 97 fd 57 fe d3 01 70 1b 82 a2 59
DEC 768 HEX 300: ec cb e1 3d e1 fc c9 1c 11 a0 b2 6c 0b c8 fa 4d
DEC 1008 HEX 3f0: e7 a7 25 74 f8 78 2a e2 6a ab cf 9e bc d6 60 65
DEC 1024 HEX 400: bd f0 32 4e 60 83 dc c6 d3 ce dd 3c a8 c5 3c 16
DEC 1520 HEX 5f0: b4 01 10 c4 19 0b 56 22 a9 61 16 b0 01 7e d2 97
DEC 1536 HEX 600: ff a0 b5 14 64 7e c0 4f 63 06 b8 92 ae 66 11 81
DEC 2032 HEX 7f0: d0 3d 1b c0 3c d3 3d 70 df f9 fa 5d 71 96 3e bd
DEC 2048 HEX 800: 8a 44 12 64 11 ea a7 8b d5 1e 8d 87 a8 87 9b f5
DEC 3056 HEX bf0: fa be b7 60 28 ad e2 d0 e4 87 22 e4 6c 46 15 a3
DEC 3072 HEX c00: c0 5d 88 ab d5 03 57 f9 35 a6 3c 59 ee 53 76 23
DEC 4080 HEX ff0: ff 38 26 5c 16 42 c1 ab e8 d3 c2 fe 5e 57 2b f8
DEC 4096 HEX 1000: a3 6a 4c 30 1a e8 ac 13 61 0c cb c1 22 56 ca cc
Strombergson & Josefsson Informational PAGE 5
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Key length: 192 bits.
key: 0x0102030405060708090a0b0c0d0e0f101112131415161718
DEC 0 HEX 0: 05 95 e5 7f e5 f0 bb 3c 70 6e da c8 a4 b2 db 11
DEC 16 HEX 10: df de 31 34 4a 1a f7 69 c7 4f 07 0a ee 9e 23 26
DEC 240 HEX f0: b0 6b 9b 1e 19 5d 13 d8 f4 a7 99 5c 45 53 ac 05
DEC 256 HEX 100: 6b d2 37 8e c3 41 c9 a4 2f 37 ba 79 f8 8a 32 ff
DEC 496 HEX 1f0: e7 0b ce 1d f7 64 5a db 5d 2c 41 30 21 5c 35 22
DEC 512 HEX 200: 9a 57 30 c7 fc b4 c9 af 51 ff da 89 c7 f1 ad 22
DEC 752 HEX 2f0: 04 85 05 5f d4 f6 f0 d9 63 ef 5a b9 a5 47 69 82
DEC 768 HEX 300: 59 1f c6 6b cd a1 0e 45 2b 03 d4 55 1f 6b 62 ac
DEC 1008 HEX 3f0: 27 53 cc 83 98 8a fa 3e 16 88 a1 d3 b4 2c 9a 02
DEC 1024 HEX 400: 93 61 0d 52 3d 1d 3f 00 62 b3 c2 a3 bb c7 c7 f0
DEC 1520 HEX 5f0: 96 c2 48 61 0a ad ed fe af 89 78 c0 3d e8 20 5a
DEC 1536 HEX 600: 0e 31 7b 3d 1c 73 b9 e9 a4 68 8f 29 6d 13 3a 19
DEC 2032 HEX 7f0: bd f0 e6 c3 cc a5 b5 b9 d5 33 b6 9c 56 ad a1 20
DEC 2048 HEX 800: 88 a2 18 b6 e2 ec e1 e6 24 6d 44 c7 59 d1 9b 10
DEC 3056 HEX bf0: 68 66 39 7e 95 c1 40 53 4f 94 26 34 21 00 6e 40
DEC 3072 HEX c00: 32 cb 0a 1e 95 42 c6 b3 b8 b3 98 ab c3 b0 f1 d5
DEC 4080 HEX ff0: 29 a0 b8 ae d5 4a 13 23 24 c6 2e 42 3f 54 b4 c8
DEC 4096 HEX 1000: 3c b0 f3 b5 02 0a 98 b8 2a f9 fe 15 44 84 a1 68
Key length: 256 bits.
key: 0x0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20
DEC 0 HEX 0: ea a6 bd 25 88 0b f9 3d 3f 5d 1e 4c a2 61 1d 91
DEC 16 HEX 10: cf a4 5c 9f 7e 71 4b 54 bd fa 80 02 7c b1 43 80
DEC 240 HEX f0: 11 4a e3 44 de d7 1b 35 f2 e6 0f eb ad 72 7f d8
DEC 256 HEX 100: 02 e1 e7 05 6b 0f 62 39 00 49 64 22 94 3e 97 b6
DEC 496 HEX 1f0: 91 cb 93 c7 87 96 4e 10 d9 52 7d 99 9c 6f 93 6b
DEC 512 HEX 200: 49 b1 8b 42 f8 e8 36 7c be b5 ef 10 4b a1 c7 cd
DEC 752 HEX 2f0: 87 08 4b 3b a7 00 ba de 95 56 10 67 27 45 b3 74
DEC 768 HEX 300: e7 a7 b9 e9 ec 54 0d 5f f4 3b db 12 79 2d 1b 35
DEC 1008 HEX 3f0: c7 99 b5 96 73 8f 6b 01 8c 76 c7 4b 17 59 bd 90
DEC 1024 HEX 400: 7f ec 5b fd 9f 9b 89 ce 65 48 30 90 92 d7 e9 58
DEC 1520 HEX 5f0: 40 f2 50 b2 6d 1f 09 6a 4a fd 4c 34 0a 58 88 15
DEC 1536 HEX 600: 3e 34 13 5c 79 db 01 02 00 76 76 51 cf 26 30 73
DEC 2032 HEX 7f0: f6 56 ab cc f8 8d d8 27 02 7b 2c e9 17 d4 64 ec
DEC 2048 HEX 800: 18 b6 25 03 bf bc 07 7f ba bb 98 f2 0d 98 ab 34
DEC 3056 HEX bf0: 8a ed 95 ee 5b 0d cb fb ef 4e b2 1d 3a 3f 52 f9
DEC 3072 HEX c00: 62 5a 1a b0 0e e3 9a 53 27 34 6b dd b0 1a 9c 18
DEC 4080 HEX ff0: a1 3a 7c 79 c7 e1 19 b5 ab 02 96 ab 28 c3 00 b9
DEC 4096 HEX 1000: f3 e4 c0 a2 e0 2d 1d 01 f7 f0 a7 46 18 af 2b 48
Strombergson & Josefsson Informational PAGE 6
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Key length: 40 bits.
key: 0x833222772a
DEC 0 HEX 0: 80 ad 97 bd c9 73 df 8a 2e 87 9e 92 a4 97 ef da
DEC 16 HEX 10: 20 f0 60 c2 f2 e5 12 65 01 d3 d4 fe a1 0d 5f c0
DEC 240 HEX f0: fa a1 48 e9 90 46 18 1f ec 6b 20 85 f3 b2 0e d9
DEC 256 HEX 100: f0 da f5 ba b3 d5 96 83 98 57 84 6f 73 fb fe 5a
DEC 496 HEX 1f0: 1c 7e 2f c4 63 92 32 fe 29 75 84 b2 96 99 6b c8
DEC 512 HEX 200: 3d b9 b2 49 40 6c c8 ed ff ac 55 cc d3 22 ba 12
DEC 752 HEX 2f0: e4 f9 f7 e0 06 61 54 bb d1 25 b7 45 56 9b c8 97
DEC 768 HEX 300: 75 d5 ef 26 2b 44 c4 1a 9c f6 3a e1 45 68 e1 b9
DEC 1008 HEX 3f0: 6d a4 53 db f8 1e 82 33 4a 3d 88 66 cb 50 a1 e3
DEC 1024 HEX 400: 78 28 d0 74 11 9c ab 5c 22 b2 94 d7 a9 bf a0 bb
DEC 1520 HEX 5f0: ad b8 9c ea 9a 15 fb e6 17 29 5b d0 4b 8c a0 5c
DEC 1536 HEX 600: 62 51 d8 7f d4 aa ae 9a 7e 4a d5 c2 17 d3 f3 00
DEC 2032 HEX 7f0: e7 11 9b d6 dd 9b 22 af e8 f8 95 85 43 28 81 e2
DEC 2048 HEX 800: 78 5b 60 fd 7e c4 e9 fc b6 54 5f 35 0d 66 0f ab
DEC 3056 HEX bf0: af ec c0 37 fd b7 b0 83 8e b3 d7 0b cd 26 83 82
DEC 3072 HEX c00: db c1 a7 b4 9d 57 35 8c c9 fa 6d 61 d7 3b 7c f0
DEC 4080 HEX ff0: 63 49 d1 26 a3 7a fc ba 89 79 4f 98 04 91 4f dc
DEC 4096 HEX 1000: bf 42 c3 01 8c 2f 7c 66 bf de 52 49 75 76 81 15
Key length: 56 bits.
key: 0x1910833222772a
DEC 0 HEX 0: bc 92 22 db d3 27 4d 8f c6 6d 14 cc bd a6 69 0b
DEC 16 HEX 10: 7a e6 27 41 0c 9a 2b e6 93 df 5b b7 48 5a 63 e3
DEC 240 HEX f0: 3f 09 31 aa 03 de fb 30 0f 06 01 03 82 6f 2a 64
DEC 256 HEX 100: be aa 9e c8 d5 9b b6 81 29 f3 02 7c 96 36 11 81
DEC 496 HEX 1f0: 74 e0 4d b4 6d 28 64 8d 7d ee 8a 00 64 b0 6c fe
DEC 512 HEX 200: 9b 5e 81 c6 2f e0 23 c5 5b e4 2f 87 bb f9 32 b8
DEC 752 HEX 2f0: ce 17 8f c1 82 6e fe cb c1 82 f5 79 99 a4 61 40
DEC 768 HEX 300: 8b df 55 cd 55 06 1c 06 db a6 be 11 de 4a 57 8a
DEC 1008 HEX 3f0: 62 6f 5f 4d ce 65 25 01 f3 08 7d 39 c9 2c c3 49
DEC 1024 HEX 400: 42 da ac 6a 8f 9a b9 a7 fd 13 7c 60 37 82 56 82
DEC 1520 HEX 5f0: cc 03 fd b7 91 92 a2 07 31 2f 53 f5 d4 dc 33 d9
DEC 1536 HEX 600: f7 0f 14 12 2a 1c 98 a3 15 5d 28 b8 a0 a8 a4 1d
DEC 2032 HEX 7f0: 2a 3a 30 7a b2 70 8a 9c 00 fe 0b 42 f9 c2 d6 a1
DEC 2048 HEX 800: 86 26 17 62 7d 22 61 ea b0 b1 24 65 97 ca 0a e9
DEC 3056 HEX bf0: 55 f8 77 ce 4f 2e 1d db bf 8e 13 e2 cd e0 fd c8
DEC 3072 HEX c00: 1b 15 56 cb 93 5f 17 33 37 70 5f bb 5d 50 1f c1
DEC 4080 HEX ff0: ec d0 e9 66 02 be 7f 8d 50 92 81 6c cc f2 c2 e9
DEC 4096 HEX 1000: 02 78 81 fa b4 99 3a 1c 26 20 24 a9 4f ff 3f 61
Strombergson & Josefsson Informational PAGE 7
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Key length: 64 bits.
key: 0x641910833222772a
DEC 0 HEX 0: bb f6 09 de 94 13 17 2d 07 66 0c b6 80 71 69 26
DEC 16 HEX 10: 46 10 1a 6d ab 43 11 5d 6c 52 2b 4f e9 36 04 a9
DEC 240 HEX f0: cb e1 ff f2 1c 96 f3 ee f6 1e 8f e0 54 2c bd f0
DEC 256 HEX 100: 34 79 38 bf fa 40 09 c5 12 cf b4 03 4b 0d d1 a7
DEC 496 HEX 1f0: 78 67 a7 86 d0 0a 71 47 90 4d 76 dd f1 e5 20 e3
DEC 512 HEX 200: 8d 3e 9e 1c ae fc cc b3 fb f8 d1 8f 64 12 0b 32
DEC 752 HEX 2f0: 94 23 37 f8 fd 76 f0 fa e8 c5 2d 79 54 81 06 72
DEC 768 HEX 300: b8 54 8c 10 f5 16 67 f6 e6 0e 18 2f a1 9b 30 f7
DEC 1008 HEX 3f0: 02 11 c7 c6 19 0c 9e fd 12 37 c3 4c 8f 2e 06 c4
DEC 1024 HEX 400: bd a6 4f 65 27 6d 2a ac b8 f9 02 12 20 3a 80 8e
DEC 1520 HEX 5f0: bd 38 20 f7 32 ff b5 3e c1 93 e7 9d 33 e2 7c 73
DEC 1536 HEX 600: d0 16 86 16 86 19 07 d4 82 e3 6c da c8 cf 57 49
DEC 2032 HEX 7f0: 97 b0 f0 f2 24 b2 d2 31 71 14 80 8f b0 3a f7 a0
DEC 2048 HEX 800: e5 96 16 e4 69 78 79 39 a0 63 ce ea 9a f9 56 d1
DEC 3056 HEX bf0: c4 7e 0d c1 66 09 19 c1 11 01 20 8f 9e 69 aa 1f
DEC 3072 HEX c00: 5a e4 f1 28 96 b8 37 9a 2a ad 89 b5 b5 53 d6 b0
DEC 4080 HEX ff0: 6b 6b 09 8d 0c 29 3b c2 99 3d 80 bf 05 18 b6 d9
DEC 4096 HEX 1000: 81 70 cc 3c cd 92 a6 98 62 1b 93 9d d3 8f e7 b9
Key length: 80 bits.
key: 0x8b37641910833222772a
DEC 0 HEX 0: ab 65 c2 6e dd b2 87 60 0d b2 fd a1 0d 1e 60 5c
DEC 16 HEX 10: bb 75 90 10 c2 96 58 f2 c7 2d 93 a2 d1 6d 29 30
DEC 240 HEX f0: b9 01 e8 03 6e d1 c3 83 cd 3c 4c 4d d0 a6 ab 05
DEC 256 HEX 100: 3d 25 ce 49 22 92 4c 55 f0 64 94 33 53 d7 8a 6c
DEC 496 HEX 1f0: 12 c1 aa 44 bb f8 7e 75 e6 11 f6 9b 2c 38 f4 9b
DEC 512 HEX 200: 28 f2 b3 43 4b 65 c0 98 77 47 00 44 c6 ea 17 0d
DEC 752 HEX 2f0: bd 9e f8 22 de 52 88 19 61 34 cf 8a f7 83 93 04
DEC 768 HEX 300: 67 55 9c 23 f0 52 15 84 70 a2 96 f7 25 73 5a 32
DEC 1008 HEX 3f0: 8b ab 26 fb c2 c1 2b 0f 13 e2 ab 18 5e ab f2 41
DEC 1024 HEX 400: 31 18 5a 6d 69 6f 0c fa 9b 42 80 8b 38 e1 32 a2
DEC 1520 HEX 5f0: 56 4d 3d ae 18 3c 52 34 c8 af 1e 51 06 1c 44 b5
DEC 1536 HEX 600: 3c 07 78 a7 b5 f7 2d 3c 23 a3 13 5c 7d 67 b9 f4
DEC 2032 HEX 7f0: f3 43 69 89 0f cf 16 fb 51 7d ca ae 44 63 b2 dd
DEC 2048 HEX 800: 02 f3 1c 81 e8 20 07 31 b8 99 b0 28 e7 91 bf a7
DEC 3056 HEX bf0: 72 da 64 62 83 22 8c 14 30 08 53 70 17 95 61 6f
DEC 3072 HEX c00: 4e 0a 8c 6f 79 34 a7 88 e2 26 5e 81 d6 d0 c8 f4
DEC 4080 HEX ff0: 43 8d d5 ea fe a0 11 1b 6f 36 b4 b9 38 da 2a 68
DEC 4096 HEX 1000: 5f 6b fc 73 81 58 74 d9 71 00 f0 86 97 93 57 d8
Strombergson & Josefsson Informational PAGE 8
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Key length: 128 bits.
key: 0xebb46227c6cc8b37641910833222772a
DEC 0 HEX 0: 72 0c 94 b6 3e df 44 e1 31 d9 50 ca 21 1a 5a 30
DEC 16 HEX 10: c3 66 fd ea cf 9c a8 04 36 be 7c 35 84 24 d2 0b
DEC 240 HEX f0: b3 39 4a 40 aa bf 75 cb a4 22 82 ef 25 a0 05 9f
DEC 256 HEX 100: 48 47 d8 1d a4 94 2d bc 24 9d ef c4 8c 92 2b 9f
DEC 496 HEX 1f0: 08 12 8c 46 9f 27 53 42 ad da 20 2b 2b 58 da 95
DEC 512 HEX 200: 97 0d ac ef 40 ad 98 72 3b ac 5d 69 55 b8 17 61
DEC 752 HEX 2f0: 3c b8 99 93 b0 7b 0c ed 93 de 13 d2 a1 10 13 ac
DEC 768 HEX 300: ef 2d 67 6f 15 45 c2 c1 3d c6 80 a0 2f 4a db fe
DEC 1008 HEX 3f0: b6 05 95 51 4f 24 bc 9f e5 22 a6 ca d7 39 36 44
DEC 1024 HEX 400: b5 15 a8 c5 01 17 54 f5 90 03 05 8b db 81 51 4e
DEC 1520 HEX 5f0: 3c 70 04 7e 8c bc 03 8e 3b 98 20 db 60 1d a4 95
DEC 1536 HEX 600: 11 75 da 6e e7 56 de 46 a5 3e 2b 07 56 60 b7 70
DEC 2032 HEX 7f0: 00 a5 42 bb a0 21 11 cc 2c 65 b3 8e bd ba 58 7e
DEC 2048 HEX 800: 58 65 fd bb 5b 48 06 41 04 e8 30 b3 80 f2 ae de
DEC 3056 HEX bf0: 34 b2 1a d2 ad 44 e9 99 db 2d 7f 08 63 f0 d9 b6
DEC 3072 HEX c00: 84 a9 21 8f c3 6e 8a 5f 2c cf be ae 53 a2 7d 25
DEC 4080 HEX ff0: a2 22 1a 11 b8 33 cc b4 98 a5 95 40 f0 54 5f 4a
DEC 4096 HEX 1000: 5b be b4 78 7d 59 e5 37 3f db ea 6c 6f 75 c2 9b
Key length: 192 bits.
key: 0xc109163908ebe51debb46227c6cc8b37641910833222772a
DEC 0 HEX 0: 54 b6 4e 6b 5a 20 b5 e2 ec 84 59 3d c7 98 9d a7
DEC 16 HEX 10: c1 35 ee e2 37 a8 54 65 ff 97 dc 03 92 4f 45 ce
DEC 240 HEX f0: cf cc 92 2f b4 a1 4a b4 5d 61 75 aa bb f2 d2 01
DEC 256 HEX 100: 83 7b 87 e2 a4 46 ad 0e f7 98 ac d0 2b 94 12 4f
DEC 496 HEX 1f0: 17 a6 db d6 64 92 6a 06 36 b3 f4 c3 7a 4f 46 94
DEC 512 HEX 200: 4a 5f 9f 26 ae ee d4 d4 a2 5f 63 2d 30 52 33 d9
DEC 752 HEX 2f0: 80 a3 d0 1e f0 0c 8e 9a 42 09 c1 7f 4e eb 35 8c
DEC 768 HEX 300: d1 5e 7d 5f fa aa bc 02 07 bf 20 0a 11 77 93 a2
DEC 1008 HEX 3f0: 34 96 82 bf 58 8e aa 52 d0 aa 15 60 34 6a ea fa
DEC 1024 HEX 400: f5 85 4c db 76 c8 89 e3 ad 63 35 4e 5f 72 75 e3
DEC 1520 HEX 5f0: 53 2c 7c ec cb 39 df 32 36 31 84 05 a4 b1 27 9c
DEC 1536 HEX 600: ba ef e6 d9 ce b6 51 84 22 60 e0 d1 e0 5e 3b 90
DEC 2032 HEX 7f0: e8 2d 8c 6d b5 4e 3c 63 3f 58 1c 95 2b a0 42 07
DEC 2048 HEX 800: 4b 16 e5 0a bd 38 1b d7 09 00 a9 cd 9a 62 cb 23
DEC 3056 HEX bf0: 36 82 ee 33 bd 14 8b d9 f5 86 56 cd 8f 30 d9 fb
DEC 3072 HEX c00: 1e 5a 0b 84 75 04 5d 9b 20 b2 62 86 24 ed fd 9e
DEC 4080 HEX ff0: 63 ed d6 84 fb 82 62 82 fe 52 8f 9c 0e 92 37 bc
DEC 4096 HEX 1000: e4 dd 2e 98 d6 96 0f ae 0b 43 54 54 56 74 33 91
Strombergson & Josefsson Informational PAGE 9
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Key length: 256 bits.
key: 0x1ada31d5cf688221c109163908ebe51debb46227c6cc8b37641910833222772a
DEC 0 HEX 0: dd 5b cb 00 18 e9 22 d4 94 75 9d 7c 39 5d 02 d3
DEC 16 HEX 10: c8 44 6f 8f 77 ab f7 37 68 53 53 eb 89 a1 c9 eb
DEC 240 HEX f0: af 3e 30 f9 c0 95 04 59 38 15 15 75 c3 fb 90 98
DEC 256 HEX 100: f8 cb 62 74 db 99 b8 0b 1d 20 12 a9 8e d4 8f 0e
DEC 496 HEX 1f0: 25 c3 00 5a 1c b8 5d e0 76 25 98 39 ab 71 98 ab
DEC 512 HEX 200: 9d cb c1 83 e8 cb 99 4b 72 7b 75 be 31 80 76 9c
DEC 752 HEX 2f0: a1 d3 07 8d fa 91 69 50 3e d9 d4 49 1d ee 4e b2
DEC 768 HEX 300: 85 14 a5 49 58 58 09 6f 59 6e 4b cd 66 b1 06 65
DEC 1008 HEX 3f0: 5f 40 d5 9e c1 b0 3b 33 73 8e fa 60 b2 25 5d 31
DEC 1024 HEX 400: 34 77 c7 f7 64 a4 1b ac ef f9 0b f1 4f 92 b7 cc
DEC 1520 HEX 5f0: ac 4e 95 36 8d 99 b9 eb 78 b8 da 8f 81 ff a7 95
DEC 1536 HEX 600: 8c 3c 13 f8 c2 38 8b b7 3f 38 57 6e 65 b7 c4 46
DEC 2032 HEX 7f0: 13 c4 b9 c1 df b6 65 79 ed dd 8a 28 0b 9f 73 16
DEC 2048 HEX 800: dd d2 78 20 55 01 26 69 8e fa ad c6 4b 64 f6 6e
DEC 3056 HEX bf0: f0 8f 2e 66 d2 8e d1 43 f3 a2 37 cf 9d e7 35 59
DEC 3072 HEX c00: 9e a3 6c 52 55 31 b8 80 ba 12 43 34 f5 7b 0b 70
DEC 4080 HEX ff0: d5 a3 9e 3d fc c5 02 80 ba c4 a6 b5 aa 0d ca 7d
DEC 4096 HEX 1000: 37 0b 1c 1f e6 55 91 6d 97 fd 0d 47 ca 1d 72 b8
3. Security Considerations
The RC4 algorithm does not meet the basic criteria required for an
encryption algorithm, as its output is distinguishable from random.
The use of RC4 continues to be recommended against; in particular,
its use in new specifications is discouraged. This note is intended
only to aid the interoperability of existing specifications that make
use of RC4.
4. Copying Conditions
This document is intended to be considered a Code Component, and is
thus effectively available under the Simplified BSD License.
5. References
5.1. Normative References
[RC4] Schneier, B., "Applied Cryptography: Protocols,
Algorithms, and Source Code in C", Second Edition, John
Wiley and Sons, New York, NY, 1996.
5.2. Informative References
[RFC 4345] Harris, B., "Improved Arcfour Modes for the Secure Shell
(SSH) Transport Layer Protocol", RFC 4345, January 2006.
Strombergson & Josefsson Informational PAGE 10
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
[RFC 4634] Eastlake 3rd, D. and T. Hansen, "US Secure Hash
Algorithms (SHA and HMAC-SHA)", RFC 4634, July 2006.
[FMcG] Fluhrer, S. and D. McGrew, "Statistical Analysis of the
Alleged RC4 Keystream Generator",
<http://www.mindspring.com/~dmcgrew/rc4-03.pdf>.
[LIBGCRYPT] Koch, W., "Libgcrypt",
<http://directory.fsf.org/project/libgcrypt/>.
[MANTIN01] Mantin, I., "Analysis of the Stream Cipher RC4", <http:/
/www.wisdom.weizmann.ac.il/~itsik/RC4/Papers/
Mantin1.zip>.
[MANTIN05] Mantin, I., "Predicting and Distinguishing Attacks on
RC4 Keystream Generator", Proceedings of EUROCRYPT 2005,
<http://www.iacr.org/cryptodb/archive/2005/EUROCRYPT/
2597/2597.pdf>.
[MIRONOV] Mironov, I., "(Not So) Random Shuffles of RC4",
<http://eprint.iacr.org/2002/067.pdf>.
[NETTLE] Moeller, N., "Nettle - a low-level crypto library",
<http://www.gnu.org/software/nettle/>.
[OPENSSL] OpenSSL Team, "The OpenSSL Project",
<http://www.openssl.org/>.
[SANS] Hopwood, D., "Standard Cryptographic Algorithm Naming
(SANS) entry on RC4", <http://www.users.zetnet.co.uk/
hopwood/crypto/scan/cs.html#RC4>.
[SHS] National Institute of Standards and Technology (NIST),
"FIPS Publication 180-3: Secure Hash Standard (SHS)",
October 2008, <http://csrc.nist.gov/publications/fips/
fips180-3/fips180-3_final.pdf>.
Strombergson & Josefsson Informational PAGE 11
RFC 6229 Test Vectors for the Stream Cipher RC4 May 2011
Authors' Addresses
Joachim Strombergson
SecWorks Sweden AB
Hogenvagen 5A
Savedalen 433 63
SE
EMail: joachim@secworks.se
Simon Josefsson
Simon Josefsson Datakonsult AB
Hagagatan 24
Stockholm 113 47
SE
EMail: simon@josefsson.org
URI: http://josefsson.org/
Strombergson & Josefsson Informational PAGE 12
Test Vectors for the Stream Cipher RC4
RFC TOTAL SIZE: 28406 bytes
PUBLICATION DATE: Tuesday, May 17th, 2011
LEGAL RIGHTS: The IETF Trust (see BCP 78)
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