diff options
author | Parménides GV <parmegv@sdf.org> | 2014-04-09 16:03:55 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-04-09 16:07:34 +0200 |
commit | 1684c8f398922065a97e7da4dac4ac6a33cc5218 (patch) | |
tree | 76a4b11ae0d7b217c088f3c2b8fc7e69a7b8ae0d /app/openssl/crypto/rc4/rrc4.doc | |
parent | b9a2b085a8f508cd09e2639c70be845c992c4a3e (diff) |
Back to the standard "app" module.
This return to "app" instead of "bitmask_android" is due to this reading: https://developer.android.com/sdk/installing/studio-build.html#projectStructure
I'll have to tweak the final apk name in build.gradle.
Diffstat (limited to 'app/openssl/crypto/rc4/rrc4.doc')
-rw-r--r-- | app/openssl/crypto/rc4/rrc4.doc | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/app/openssl/crypto/rc4/rrc4.doc b/app/openssl/crypto/rc4/rrc4.doc new file mode 100644 index 00000000..2f9a953c --- /dev/null +++ b/app/openssl/crypto/rc4/rrc4.doc @@ -0,0 +1,278 @@ +Newsgroups: sci.crypt,alt.security,comp.security.misc,alt.privacy +Path: ghost.dsi.unimi.it!univ-lyon1.fr!jussieu.fr!zaphod.crihan.fr!warwick!clyde.open.ac.uk!strath-cs!bnr.co.uk!bt!pipex!howland.reston.ans.net!europa.eng.gtefsd.com!MathWorks.Com!yeshua.marcam.com!charnel.ecst.csuchico.edu!csusac!csus.edu!netcom.com!sterndark +From: sterndark@netcom.com (David Sterndark) +Subject: RC4 Algorithm revealed. +Message-ID: <sternCvKL4B.Hyy@netcom.com> +Sender: sterndark@netcom.com +Organization: NETCOM On-line Communication Services (408 261-4700 guest) +X-Newsreader: TIN [version 1.2 PL1] +Date: Wed, 14 Sep 1994 06:35:31 GMT +Lines: 263 +Xref: ghost.dsi.unimi.it sci.crypt:27332 alt.security:14732 comp.security.misc:11701 alt.privacy:16026 + +I am shocked, shocked, I tell you, shocked, to discover +that the cypherpunks have illegaly and criminally revealed +a crucial RSA trade secret and harmed the security of +America by reverse engineering the RC4 algorithm and +publishing it to the world. + +On Saturday morning an anonymous cypherpunk wrote: + + + SUBJECT: RC4 Source Code + + + I've tested this. It is compatible with the RC4 object module + that comes in the various RSA toolkits. + + /* rc4.h */ + typedef struct rc4_key + { + unsigned char state[256]; + unsigned char x; + unsigned char y; + } rc4_key; + void prepare_key(unsigned char *key_data_ptr,int key_data_len, + rc4_key *key); + void rc4(unsigned char *buffer_ptr,int buffer_len,rc4_key * key); + + + /*rc4.c */ + #include "rc4.h" + static void swap_byte(unsigned char *a, unsigned char *b); + void prepare_key(unsigned char *key_data_ptr, int key_data_len, + rc4_key *key) + { + unsigned char swapByte; + unsigned char index1; + unsigned char index2; + unsigned char* state; + short counter; + + state = &key->state[0]; + for(counter = 0; counter < 256; counter++) + state[counter] = counter; + key->x = 0; + key->y = 0; + index1 = 0; + index2 = 0; + for(counter = 0; counter < 256; counter++) + { + index2 = (key_data_ptr[index1] + state[counter] + + index2) % 256; + swap_byte(&state[counter], &state[index2]); + + index1 = (index1 + 1) % key_data_len; + } + } + + void rc4(unsigned char *buffer_ptr, int buffer_len, rc4_key *key) + { + unsigned char x; + unsigned char y; + unsigned char* state; + unsigned char xorIndex; + short counter; + + x = key->x; + y = key->y; + + state = &key->state[0]; + for(counter = 0; counter < buffer_len; counter ++) + { + x = (x + 1) % 256; + y = (state[x] + y) % 256; + swap_byte(&state[x], &state[y]); + + xorIndex = (state[x] + state[y]) % 256; + + buffer_ptr[counter] ^= state[xorIndex]; + } + key->x = x; + key->y = y; + } + + static void swap_byte(unsigned char *a, unsigned char *b) + { + unsigned char swapByte; + + swapByte = *a; + *a = *b; + *b = swapByte; + } + + + +Another cypherpunk, this one not anonymous, tested the +output from this algorithm against the output from +official RC4 object code + + + Date: Tue, 13 Sep 94 18:37:56 PDT + From: ekr@eit.COM (Eric Rescorla) + Message-Id: <9409140137.AA17743@eitech.eit.com> + Subject: RC4 compatibility testing + Cc: cypherpunks@toad.com + + One data point: + + I can't say anything about the internals of RC4 versus the + algorithm that Bill Sommerfeld is rightly calling 'Alleged RC4', + since I don't know anything about RC4's internals. + + However, I do have a (legitimately acquired) copy of BSAFE2 and + so I'm able to compare the output of this algorithm to the output + of genuine RC4 as found in BSAFE. I chose a set of test vectors + and ran them through both algorithms. The algorithms appear to + give identical results, at least with these key/plaintext pairs. + + I note that this is the algorithm _without_ Hal Finney's + proposed modification + + (see <199409130605.XAA24133@jobe.shell.portal.com>). + + The vectors I used (together with the ciphertext they produce) + follow at the end of this message. + + -Ekr + + Disclaimer: This posting does not reflect the opinions of EIT. + + --------------------results follow-------------- + Test vector 0 + Key: 0x01 0x23 0x45 0x67 0x89 0xab 0xcd 0xef + Input: 0x01 0x23 0x45 0x67 0x89 0xab 0xcd 0xef + 0 Output: 0x75 0xb7 0x87 0x80 0x99 0xe0 0xc5 0x96 + + Test vector 1 + Key: 0x01 0x23 0x45 0x67 0x89 0xab 0xcd 0xef + Input: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0 Output: 0x74 0x94 0xc2 0xe7 0x10 0x4b 0x08 0x79 + + Test vector 2 + Key: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + Input: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0 Output: 0xde 0x18 0x89 0x41 0xa3 0x37 0x5d 0x3a + + Test vector 3 + Key: 0xef 0x01 0x23 0x45 + Input: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 + 0 Output: 0xd6 0xa1 0x41 0xa7 0xec 0x3c 0x38 0xdf 0xbd 0x61 + + Test vector 4 + Key: 0x01 0x23 0x45 0x67 0x89 0xab 0xcd 0xef + Input: 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 + 0x01 + 0 Output: 0x75 0x95 0xc3 0xe6 0x11 0x4a 0x09 0x78 0x0c 0x4a 0xd4 + 0x52 0x33 0x8e 0x1f 0xfd 0x9a 0x1b 0xe9 0x49 0x8f + 0x81 0x3d 0x76 0x53 0x34 0x49 0xb6 0x77 0x8d 0xca + 0xd8 0xc7 0x8a 0x8d 0x2b 0xa9 0xac 0x66 0x08 0x5d + 0x0e 0x53 0xd5 0x9c 0x26 0xc2 0xd1 0xc4 0x90 0xc1 + 0xeb 0xbe 0x0c 0xe6 0x6d 0x1b 0x6b 0x1b 0x13 0xb6 + 0xb9 0x19 0xb8 0x47 0xc2 0x5a 0x91 0x44 0x7a 0x95 + 0xe7 0x5e 0x4e 0xf1 0x67 0x79 0xcd 0xe8 0xbf 0x0a + 0x95 0x85 0x0e 0x32 0xaf 0x96 0x89 0x44 0x4f 0xd3 + 0x77 0x10 0x8f 0x98 0xfd 0xcb 0xd4 0xe7 0x26 0x56 + 0x75 0x00 0x99 0x0b 0xcc 0x7e 0x0c 0xa3 0xc4 0xaa + 0xa3 0x04 0xa3 0x87 0xd2 0x0f 0x3b 0x8f 0xbb 0xcd + 0x42 0xa1 0xbd 0x31 0x1d 0x7a 0x43 0x03 0xdd 0xa5 + 0xab 0x07 0x88 0x96 0xae 0x80 0xc1 0x8b 0x0a 0xf6 + 0x6d 0xff 0x31 0x96 0x16 0xeb 0x78 0x4e 0x49 0x5a + 0xd2 0xce 0x90 0xd7 0xf7 0x72 0xa8 0x17 0x47 0xb6 + 0x5f 0x62 0x09 0x3b 0x1e 0x0d 0xb9 0xe5 0xba 0x53 + 0x2f 0xaf 0xec 0x47 0x50 0x83 0x23 0xe6 0x71 0x32 + 0x7d 0xf9 0x44 0x44 0x32 0xcb 0x73 0x67 0xce 0xc8 + 0x2f 0x5d 0x44 0xc0 0xd0 0x0b 0x67 0xd6 0x50 0xa0 + 0x75 0xcd 0x4b 0x70 0xde 0xdd 0x77 0xeb 0x9b 0x10 + 0x23 0x1b 0x6b 0x5b 0x74 0x13 0x47 0x39 0x6d 0x62 + 0x89 0x74 0x21 0xd4 0x3d 0xf9 0xb4 0x2e 0x44 0x6e + 0x35 0x8e 0x9c 0x11 0xa9 0xb2 0x18 0x4e 0xcb 0xef + 0x0c 0xd8 0xe7 0xa8 0x77 0xef 0x96 0x8f 0x13 0x90 + 0xec 0x9b 0x3d 0x35 0xa5 0x58 0x5c 0xb0 0x09 0x29 + 0x0e 0x2f 0xcd 0xe7 0xb5 0xec 0x66 0xd9 0x08 0x4b + 0xe4 0x40 0x55 0xa6 0x19 0xd9 0xdd 0x7f 0xc3 0x16 + 0x6f 0x94 0x87 0xf7 0xcb 0x27 0x29 0x12 0x42 0x64 + 0x45 0x99 0x85 0x14 0xc1 0x5d 0x53 0xa1 0x8c 0x86 + 0x4c 0xe3 0xa2 0xb7 0x55 0x57 0x93 0x98 0x81 0x26 + 0x52 0x0e 0xac 0xf2 0xe3 0x06 0x6e 0x23 0x0c 0x91 + 0xbe 0xe4 0xdd 0x53 0x04 0xf5 0xfd 0x04 0x05 0xb3 + 0x5b 0xd9 0x9c 0x73 0x13 0x5d 0x3d 0x9b 0xc3 0x35 + 0xee 0x04 0x9e 0xf6 0x9b 0x38 0x67 0xbf 0x2d 0x7b + 0xd1 0xea 0xa5 0x95 0xd8 0xbf 0xc0 0x06 0x6f 0xf8 + 0xd3 0x15 0x09 0xeb 0x0c 0x6c 0xaa 0x00 0x6c 0x80 + 0x7a 0x62 0x3e 0xf8 0x4c 0x3d 0x33 0xc1 0x95 0xd2 + 0x3e 0xe3 0x20 0xc4 0x0d 0xe0 0x55 0x81 0x57 0xc8 + 0x22 0xd4 0xb8 0xc5 0x69 0xd8 0x49 0xae 0xd5 0x9d + 0x4e 0x0f 0xd7 0xf3 0x79 0x58 0x6b 0x4b 0x7f 0xf6 + 0x84 0xed 0x6a 0x18 0x9f 0x74 0x86 0xd4 0x9b 0x9c + 0x4b 0xad 0x9b 0xa2 0x4b 0x96 0xab 0xf9 0x24 0x37 + 0x2c 0x8a 0x8f 0xff 0xb1 0x0d 0x55 0x35 0x49 0x00 + 0xa7 0x7a 0x3d 0xb5 0xf2 0x05 0xe1 0xb9 0x9f 0xcd + 0x86 0x60 0x86 0x3a 0x15 0x9a 0xd4 0xab 0xe4 0x0f + 0xa4 0x89 0x34 0x16 0x3d 0xdd 0xe5 0x42 0xa6 0x58 + 0x55 0x40 0xfd 0x68 0x3c 0xbf 0xd8 0xc0 0x0f 0x12 + 0x12 0x9a 0x28 0x4d 0xea 0xcc 0x4c 0xde 0xfe 0x58 + 0xbe 0x71 0x37 0x54 0x1c 0x04 0x71 0x26 0xc8 0xd4 + 0x9e 0x27 0x55 0xab 0x18 0x1a 0xb7 0xe9 0x40 0xb0 + 0xc0 + + + +-- + --------------------------------------------------------------------- +We have the right to defend ourselves and our +property, because of the kind of animals that we James A. Donald +are. True law derives from this right, not from +the arbitrary power of the omnipotent state. jamesd@netcom.com + + |