diff --git a/configure.ac b/configure.ac index a1eac73..4d6e94b 100644 --- a/configure.ac +++ b/configure.ac @@ -156,6 +156,7 @@ AC_CONFIG_FILES([ include/Makefile include/cryb/Makefile lib/Makefile + lib/cipher/Makefile lib/core/Makefile lib/cpe/Makefile lib/digest/Makefile diff --git a/include/cryb/Makefile.am b/include/cryb/Makefile.am index c4dfd03..ed3384c 100644 --- a/include/cryb/Makefile.am +++ b/include/cryb/Makefile.am @@ -1,9 +1,11 @@ crybdir = $(includedir)/cryb cryb_HEADERS = \ + aes.h \ algorithm.h \ attributes.h \ bitwise.h \ + cipher.h \ cpe.h \ ctype.h \ digest.h \ @@ -26,6 +28,7 @@ cryb_HEADERS = \ oath_constants.h \ oath_types.h \ rand.h \ + rc4.h \ rfc3986.h \ rfc4648.h \ sha.h \ diff --git a/include/cryb/aes.h b/include/cryb/aes.h new file mode 100644 index 0000000..cae5691 --- /dev/null +++ b/include/cryb/aes.h @@ -0,0 +1,58 @@ +/*- + * Copyright (c) 2015 Dag-Erling Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef CRYB_AES_H_INCLUDED +#define CRYB_AES_H_INCLUDED + +#include + +#define AES_BLOCK_LEN 16 + +#define aes_digest cryb_aes_digest +#define aes_ctx cryb_aes_ctx +#define aes_init cryb_aes_init +#define aes_update cryb_aes_update +#define aes_finish cryb_aes_finish + +extern cipher_algorithm aes128_cipher; +extern cipher_algorithm aes192_cipher; +extern cipher_algorithm aes256_cipher; + +typedef struct { + int mode; + int nr; + uint32_t *rk; + uint32_t buf[68]; +} aes_ctx; + +void aes_init(aes_ctx *, int, const uint8_t *, size_t); +void aes_update(aes_ctx *, const void *, size_t, void *); +void aes_finish(aes_ctx *); + +#endif diff --git a/include/cryb/cipher.h b/include/cryb/cipher.h new file mode 100644 index 0000000..e29df77 --- /dev/null +++ b/include/cryb/cipher.h @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 2015 Dag-Erling Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef CRYB_CIPHER_H_INCLUDED +#define CRYB_CIPHER_H_INCLUDED + +#define cipher_ctx cryb_cipher_ctx +#define cipher_init_func cryb_cipher_init_func +#define cipher_update_func cryb_cipher_update_func +#define cipher_finish_func cryb_cipher_finish_func +#define cipher_algorithm cryb_cipher_algorithm + +typedef void cipher_ctx; +typedef void (*cipher_init_func)(cipher_ctx *, int, const uint8_t *, size_t); +typedef void (*cipher_update_func)(cipher_ctx *, const void *, size_t, void *); +typedef void (*cipher_finish_func)(cipher_ctx *); + +typedef struct { + const char *name; /* algorithm name */ + size_t contextlen; /* size of context structure */ + size_t blocklen; /* block length */ + size_t keylen; /* key length */ + cipher_init_func init; /* initialization method */ + cipher_update_func update; /* {enc,dec}ryption method */ + cipher_finish_func finish; /* finalization method */ +} cipher_algorithm; + +#define get_cipher_algorithm cryb_get_cipher_algorithm + +const cipher_algorithm *get_cipher_algorithm(const char *); + +#define cipher_init(alg, ctx, mode, key, keylen) \ + (alg)->init((ctx), (mode), (key), (keylen)) +#define cipher_update(alg, ctx, in, len, out) \ + (alg)->update((ctx), (buf), (in), (len), (out)) +#define cipher_finish(alg, ctx) \ + (alg)->finish((buf), (ctx)) + +#endif diff --git a/include/cryb/rc4.h b/include/cryb/rc4.h new file mode 100644 index 0000000..362421f --- /dev/null +++ b/include/cryb/rc4.h @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 2015 Dag-Erling Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef CRYB_RC4_H_INCLUDED +#define CRYB_RC4_H_INCLUDED + +#include + +#define rc4_digest cryb_rc4_digest +#define rc4_ctx cryb_rc4_ctx +#define rc4_init cryb_rc4_init +#define rc4_update cryb_rc4_update +#define rc4_finish cryb_rc4_finish + +extern cipher_algorithm rc4_cipher; + +typedef struct { + uint8_t s[256], i, j; +} rc4_ctx; + +void rc4_init(rc4_ctx *, int, const uint8_t *, size_t); +void rc4_update(rc4_ctx *, const void *, size_t, void *); +void rc4_finish(rc4_ctx *); + +#endif diff --git a/lib/Makefile.am b/lib/Makefile.am index 294fcbb..ccfb114 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -1,4 +1,5 @@ SUBDIRS = \ + cipher \ core \ cpe \ digest \ @@ -6,8 +7,8 @@ SUBDIRS = \ hash \ mac \ mpi \ - rand \ - oath + oath \ + rand if WITH_RSAREF SUBDIRS += rsaref diff --git a/lib/cipher/Makefile.am b/lib/cipher/Makefile.am new file mode 100644 index 0000000..c70fd9e --- /dev/null +++ b/lib/cipher/Makefile.am @@ -0,0 +1,8 @@ +AM_CPPFLAGS = -I$(top_srcdir)/include + +lib_LTLIBRARIES = libcryb-cipher.la + +libcryb_cipher_la_SOURCES = \ + cryb_aes.c \ + cryb_rc4.c + diff --git a/lib/cipher/cryb_aes.c b/lib/cipher/cryb_aes.c new file mode 100644 index 0000000..9a94bfa --- /dev/null +++ b/lib/cipher/cryb_aes.c @@ -0,0 +1,677 @@ +/*- + * Copyright (c) 2006-2007 Christophe Devine + * Copyright (c) 2015 Dag-Erling Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "cryb/impl.h" + +#include +#include + +#include +#include + +#include + +/* + * 32-bit integer manipulation macros (little endian) + */ +#ifndef GET_ULONG_LE +#define GET_ULONG_LE(n,b,i) \ +{ \ + (n) = ( (uint32_t) (b)[(i) ] ) \ + | ( (uint32_t) (b)[(i) + 1] << 8 ) \ + | ( (uint32_t) (b)[(i) + 2] << 16 ) \ + | ( (uint32_t) (b)[(i) + 3] << 24 ); \ +} +#endif + +#ifndef PUT_ULONG_LE +#define PUT_ULONG_LE(n,b,i) \ +{ \ + (b)[(i) ] = (uint8_t) ( (n) ); \ + (b)[(i) + 1] = (uint8_t) ( (n) >> 8 ); \ + (b)[(i) + 2] = (uint8_t) ( (n) >> 16 ); \ + (b)[(i) + 3] = (uint8_t) ( (n) >> 24 ); \ +} +#endif + +/* + * Forward S-box + */ +static const uint8_t FSb[256] = +{ + 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, + 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, + 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, + 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, + 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, + 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, + 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, + 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, + 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, + 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, + 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, + 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, + 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, + 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, + 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, + 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, + 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, + 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, + 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, + 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, + 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, + 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, + 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, + 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, + 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, + 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, + 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, + 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, + 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, + 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, + 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, + 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 +}; + +/* + * Forward tables + */ +#define FT \ +\ + V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \ + V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \ + V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \ + V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \ + V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \ + V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \ + V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \ + V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \ + V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \ + V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \ + V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \ + V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \ + V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \ + V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \ + V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \ + V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \ + V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \ + V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \ + V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \ + V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \ + V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \ + V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \ + V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \ + V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \ + V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \ + V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \ + V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \ + V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \ + V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \ + V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \ + V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \ + V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \ + V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \ + V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \ + V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \ + V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \ + V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \ + V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \ + V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \ + V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \ + V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \ + V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \ + V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \ + V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \ + V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \ + V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \ + V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \ + V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \ + V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \ + V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \ + V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \ + V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \ + V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \ + V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \ + V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \ + V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \ + V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \ + V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \ + V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \ + V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \ + V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \ + V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \ + V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \ + V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C) + +#define V(a,b,c,d) 0x##a##b##c##d +static const uint32_t FT0[256] = { FT }; +#undef V + +#define V(a,b,c,d) 0x##b##c##d##a +static const uint32_t FT1[256] = { FT }; +#undef V + +#define V(a,b,c,d) 0x##c##d##a##b +static const uint32_t FT2[256] = { FT }; +#undef V + +#define V(a,b,c,d) 0x##d##a##b##c +static const uint32_t FT3[256] = { FT }; +#undef V + +#undef FT + +/* + * Reverse S-box + */ +static const uint8_t RSb[256] = +{ + 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, + 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, + 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, + 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, + 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, + 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, + 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, + 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, + 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, + 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, + 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, + 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, + 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, + 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, + 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, + 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, + 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, + 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, + 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, + 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, + 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, + 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, + 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, + 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, + 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, + 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, + 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, + 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, + 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, + 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D +}; + +/* + * Reverse tables + */ +#define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define V(a,b,c,d) 0x##a##b##c##d +static const uint32_t RT0[256] = { RT }; +#undef V + +#define V(a,b,c,d) 0x##b##c##d##a +static const uint32_t RT1[256] = { RT }; +#undef V + +#define V(a,b,c,d) 0x##c##d##a##b +static const uint32_t RT2[256] = { RT }; +#undef V + +#define V(a,b,c,d) 0x##d##a##b##c +static const uint32_t RT3[256] = { RT }; +#undef V + +#undef RT + +/* + * Round constants + */ +static const uint32_t RCON[10] = +{ + 0x00000001, 0x00000002, 0x00000004, 0x00000008, + 0x00000010, 0x00000020, 0x00000040, 0x00000080, + 0x0000001B, 0x00000036 +}; + +/* + * AES key schedule (encryption) + */ +static void +aes_setkey_enc(aes_ctx *ctx, const uint8_t *key, int keysize) +{ + int i; + uint32_t *RK; + + switch( keysize ) + { + case 128: ctx->nr = 10; break; + case 192: ctx->nr = 12; break; + case 256: ctx->nr = 14; break; + default : return; + } + + ctx->rk = RK = ctx->buf; + + for( i = 0; i < (keysize >> 5); i++ ) + { + GET_ULONG_LE( RK[i], key, i << 2 ); + } + + switch( ctx->nr ) + { + case 10: + + for( i = 0; i < 10; i++, RK += 4 ) + { + RK[4] = RK[0] ^ RCON[i] ^ + ( FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^ + ( FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( RK[3] ) & 0xFF ] << 24 ); + + RK[5] = RK[1] ^ RK[4]; + RK[6] = RK[2] ^ RK[5]; + RK[7] = RK[3] ^ RK[6]; + } + break; + + case 12: + + for( i = 0; i < 8; i++, RK += 6 ) + { + RK[6] = RK[0] ^ RCON[i] ^ + ( FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^ + ( FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( RK[5] ) & 0xFF ] << 24 ); + + RK[7] = RK[1] ^ RK[6]; + RK[8] = RK[2] ^ RK[7]; + RK[9] = RK[3] ^ RK[8]; + RK[10] = RK[4] ^ RK[9]; + RK[11] = RK[5] ^ RK[10]; + } + break; + + case 14: + + for( i = 0; i < 7; i++, RK += 8 ) + { + RK[8] = RK[0] ^ RCON[i] ^ + ( FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^ + ( FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( RK[7] ) & 0xFF ] << 24 ); + + RK[9] = RK[1] ^ RK[8]; + RK[10] = RK[2] ^ RK[9]; + RK[11] = RK[3] ^ RK[10]; + + RK[12] = RK[4] ^ + ( FSb[ ( RK[11] ) & 0xFF ] ) ^ + ( FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 ); + + RK[13] = RK[5] ^ RK[12]; + RK[14] = RK[6] ^ RK[13]; + RK[15] = RK[7] ^ RK[14]; + } + break; + + default: + + break; + } +} + +/* + * AES key schedule (decryption) + */ +static void +aes_setkey_dec(aes_ctx *ctx, const uint8_t *key, int keysize) +{ + int i, j; + aes_ctx cty; + uint32_t *RK; + uint32_t *SK; + + switch( keysize ) + { + case 128: ctx->nr = 10; break; + case 192: ctx->nr = 12; break; + case 256: ctx->nr = 14; break; + default : return; + } + + ctx->rk = RK = ctx->buf; + + aes_setkey_enc( &cty, key, keysize ); + SK = cty.rk + cty.nr * 4; + + *RK++ = *SK++; + *RK++ = *SK++; + *RK++ = *SK++; + *RK++ = *SK++; + + for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 ) + { + for( j = 0; j < 4; j++, SK++ ) + { + *RK++ = RT0[ FSb[ ( *SK ) & 0xFF ] ] ^ + RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^ + RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^ + RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ]; + } + } + + *RK++ = *SK++; + *RK++ = *SK++; + *RK++ = *SK++; + *RK++ = *SK++; + + memset( &cty, 0, sizeof( aes_ctx ) ); +} + +#define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ +{ \ + X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \ + FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \ + FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \ + FT3[ ( Y3 >> 24 ) & 0xFF ]; \ + \ + X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \ + FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \ + FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \ + FT3[ ( Y0 >> 24 ) & 0xFF ]; \ + \ + X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \ + FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \ + FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \ + FT3[ ( Y1 >> 24 ) & 0xFF ]; \ + \ + X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \ + FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \ + FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \ + FT3[ ( Y2 >> 24 ) & 0xFF ]; \ +} + +#define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ +{ \ + X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \ + RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \ + RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \ + RT3[ ( Y1 >> 24 ) & 0xFF ]; \ + \ + X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \ + RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \ + RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \ + RT3[ ( Y2 >> 24 ) & 0xFF ]; \ + \ + X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \ + RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \ + RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \ + RT3[ ( Y3 >> 24 ) & 0xFF ]; \ + \ + X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \ + RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \ + RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \ + RT3[ ( Y0 >> 24 ) & 0xFF ]; \ +} + +/* + * AES-ECB block encryption + */ +static void +aes_enc(aes_ctx *ctx, const uint8_t *input, uint8_t *output) +{ + int i; + uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3; + + RK = ctx->rk; + + GET_ULONG_LE( X0, input, 0 ); X0 ^= *RK++; + GET_ULONG_LE( X1, input, 4 ); X1 ^= *RK++; + GET_ULONG_LE( X2, input, 8 ); X2 ^= *RK++; + GET_ULONG_LE( X3, input, 12 ); X3 ^= *RK++; + + { + for( i = (ctx->nr >> 1) - 1; i > 0; i-- ) + { + AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); + AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); + } + + AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); + + X0 = *RK++ ^ ( FSb[ ( Y0 ) & 0xFF ] ) ^ + ( FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 ); + + X1 = *RK++ ^ ( FSb[ ( Y1 ) & 0xFF ] ) ^ + ( FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 ); + + X2 = *RK++ ^ ( FSb[ ( Y2 ) & 0xFF ] ) ^ + ( FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 ); + + X3 = *RK++ ^ ( FSb[ ( Y3 ) & 0xFF ] ) ^ + ( FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^ + ( FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^ + ( FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 ); + } + + PUT_ULONG_LE( X0, output, 0 ); + PUT_ULONG_LE( X1, output, 4 ); + PUT_ULONG_LE( X2, output, 8 ); + PUT_ULONG_LE( X3, output, 12 ); +} + +/* + * AES-ECB block decryption + */ +static void +aes_dec(aes_ctx *ctx, const uint8_t *input, uint8_t *output) +{ + int i; + uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3; + + RK = ctx->rk; + + GET_ULONG_LE( X0, input, 0 ); X0 ^= *RK++; + GET_ULONG_LE( X1, input, 4 ); X1 ^= *RK++; + GET_ULONG_LE( X2, input, 8 ); X2 ^= *RK++; + GET_ULONG_LE( X3, input, 12 ); X3 ^= *RK++; + + { + for( i = (ctx->nr >> 1) - 1; i > 0; i-- ) + { + AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); + AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); + } + + AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); + + X0 = *RK++ ^ ( RSb[ ( Y0 ) & 0xFF ] ) ^ + ( RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^ + ( RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^ + ( RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 ); + + X1 = *RK++ ^ ( RSb[ ( Y1 ) & 0xFF ] ) ^ + ( RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^ + ( RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^ + ( RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 ); + + X2 = *RK++ ^ ( RSb[ ( Y2 ) & 0xFF ] ) ^ + ( RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^ + ( RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^ + ( RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 ); + + X3 = *RK++ ^ ( RSb[ ( Y3 ) & 0xFF ] ) ^ + ( RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^ + ( RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^ + ( RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 ); + } + + PUT_ULONG_LE( X0, output, 0 ); + PUT_ULONG_LE( X1, output, 4 ); + PUT_ULONG_LE( X2, output, 8 ); + PUT_ULONG_LE( X3, output, 12 ); +} + +void +aes_init(aes_ctx *ctx, int mode, const uint8_t *key, size_t keylen) +{ + + memset(ctx, 0, sizeof *ctx); + ctx->mode = mode; + if (ctx->mode) + aes_setkey_dec(ctx, key, keylen * 8); + else + aes_setkey_enc(ctx, key, keylen * 8); +} + + +void +aes_update(aes_ctx *ctx, const void *in, size_t len, void *out) +{ + + (void)len; + if (ctx->mode) + aes_dec(ctx, in, out); + else + aes_enc(ctx, in, out); +} + +void +aes_finish(aes_ctx *ctx) +{ + + memset(ctx, 0, sizeof *ctx); +} + +cipher_algorithm aes128_cipher = { + .name = "aes128", + .contextlen = sizeof(aes_ctx), + .blocklen = AES_BLOCK_LEN, + .keylen = 128 / 8, + .init = (cipher_init_func)aes_init, + .update = (cipher_update_func)aes_update, + .finish = (cipher_finish_func)aes_finish, +}; + +cipher_algorithm aes192_cipher = { + .name = "aes", + .contextlen = sizeof(aes_ctx), + .blocklen = AES_BLOCK_LEN, + .keylen = 192 / 8, + .init = (cipher_init_func)aes_init, + .update = (cipher_update_func)aes_update, + .finish = (cipher_finish_func)aes_finish, +}; + +cipher_algorithm aes256_cipher = { + .name = "aes", + .contextlen = sizeof(aes_ctx), + .blocklen = AES_BLOCK_LEN, + .keylen = 256 / 8, + .init = (cipher_init_func)aes_init, + .update = (cipher_update_func)aes_update, + .finish = (cipher_finish_func)aes_finish, +}; diff --git a/lib/cipher/cryb_rc4.c b/lib/cipher/cryb_rc4.c new file mode 100644 index 0000000..4c4d303 --- /dev/null +++ b/lib/cipher/cryb_rc4.c @@ -0,0 +1,96 @@ +/*- + * Copyright (c) 2015 Dag-Erling Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "cryb/impl.h" + +#include +#include + +#include +#include + +#include + + +#include + + +void +rc4_init(rc4_ctx *ctx, int mode, const uint8_t *key, size_t keylen) +{ + unsigned int i, j; + uint8_t t; + + (void)mode; + memset(ctx, 0, sizeof *ctx); + for (i = 0; i < 256; ++i) + ctx->s[i] = i; + for (i = j = 0; i < 256; ++i) { + j = (j + ctx->s[i] + key[i % keylen]) % 256; + t = ctx->s[i]; + ctx->s[i] = ctx->s[j]; + ctx->s[j] = t; + } +} + +void +rc4_update(rc4_ctx *ctx, const void *in, size_t len, void *out) +{ + const uint8_t *is = in; + uint8_t t, k, *os = out; + unsigned int i; + + for (i = 0; i < len; ++i) { + ctx->i = ctx->i + 1; + ctx->j = ctx->j + ctx->s[ctx->i]; + t = ctx->s[ctx->i]; + ctx->s[ctx->i] = ctx->s[ctx->j]; + ctx->s[ctx->j] = t; + t = ctx->s[ctx->i] + ctx->s[ctx->j]; + k = ctx->s[t]; + *os++ = *is++ ^ k; + } +} + +void +rc4_finish(rc4_ctx *ctx) +{ + + memset(ctx, 0, sizeof *ctx); +} + +cipher_algorithm rc4_cipher = { + .name = "rc4", + .contextlen = sizeof(rc4_ctx), + .blocklen = 1, + .keylen = 0, + .init = (cipher_init_func)rc4_init, + .update = (cipher_update_func)rc4_update, + .finish = (cipher_finish_func)rc4_finish, +}; diff --git a/t/Makefile.am b/t/Makefile.am index d48184f..3a9329b 100644 --- a/t/Makefile.am +++ b/t/Makefile.am @@ -8,14 +8,15 @@ check_LTLIBRARIES = libt.la libt_la_SOURCES = t_main.c t_file.c t_util.c t_const.c t_malloc.c # Individual libraries +libcipher = $(top_builddir)/lib/cipher/libcryb-cipher.la libcore = $(top_builddir)/lib/core/libcryb-core.la -libenc = $(top_builddir)/lib/enc/libcryb-enc.la libdigest = $(top_builddir)/lib/digest/libcryb-digest.la +libenc = $(top_builddir)/lib/enc/libcryb-enc.la libhash = $(top_builddir)/lib/hash/libcryb-hash.la libmac = $(top_builddir)/lib/mac/libcryb-mac.la libmpi = $(top_builddir)/lib/mpi/libcryb-mpi.la -librand = $(top_builddir)/lib/rand/libcryb-rand.la liboath = $(top_builddir)/lib/oath/libcryb-oath.la +librand = $(top_builddir)/lib/rand/libcryb-rand.la libt = $(builddir)/libt.la # Additional headers, flags and libraries for OpenSSL @@ -35,6 +36,11 @@ endif # tests TESTS = +# libcryb-cipher +TESTS += t_aes t_rc4 +t_aes_LDADD = $(libt) $(libcipher) +t_rc4_LDADD = $(libt) $(libcipher) + # libcryb-core TESTS += t_ctype t_endian t_memset_s t_strlcat t_strlcmp t_strlcpy TESTS += t_string t_wstring diff --git a/t/t_aes.c b/t/t_aes.c new file mode 100644 index 0000000..368e971 --- /dev/null +++ b/t/t_aes.c @@ -0,0 +1,114 @@ +/*- + * Copyright (c) 2015 Dag-Erling Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "cryb/impl.h" + +#include +#include +#include + +#include + +#include "t.h" + +struct t_case { + const char *desc; + const uint8_t key[AES_BLOCK_LEN]; + const uint8_t ptext[AES_BLOCK_LEN]; + const uint8_t ctext[AES_BLOCK_LEN]; +}; + +/*************************************************************************** + * Test cases + */ +static struct t_case t_cases[] = { + /* FIPS-197 test vectors */ + { + .desc = "FIPS-197 C-1", + .key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, }, + .ptext = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, }, + .ctext = { 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30, 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a, }, + }, +}; + +/*************************************************************************** + * Test functions + */ +static int +t_aes_enc(char **desc CRYB_UNUSED, void *arg) +{ + struct t_case *t = arg; + uint8_t out[AES_BLOCK_LEN]; + aes_ctx ctx; + + asprintf(desc, "%s (encrypt)", t->desc); + aes_init(&ctx, 0, t->key, sizeof t->key); + aes_update(&ctx, t->ptext, AES_BLOCK_LEN, out); + aes_finish(&ctx); + return (t_compare_mem(t->ctext, out, AES_BLOCK_LEN)); +} + +static int +t_aes_dec(char **desc CRYB_UNUSED, void *arg) +{ + struct t_case *t = arg; + uint8_t out[AES_BLOCK_LEN]; + aes_ctx ctx; + + asprintf(desc, "%s (decrypt)", t->desc); + aes_init(&ctx, 1, t->key, sizeof t->key); + aes_update(&ctx, t->ctext, AES_BLOCK_LEN, out); + aes_finish(&ctx); + return (t_compare_mem(t->ptext, out, AES_BLOCK_LEN)); +} + + +/*************************************************************************** + * Boilerplate + */ + +int +t_prepare(int argc, char *argv[]) +{ + unsigned int i, n; + + (void)argc; + (void)argv; + n = sizeof t_cases / sizeof t_cases[0]; + for (i = 0; i < n; ++i) { + t_add_test(t_aes_enc, &t_cases[i], t_cases[i].desc); + t_add_test(t_aes_dec, &t_cases[i], t_cases[i].desc); + } + return (0); +} + +void +t_cleanup(void) +{ +} diff --git a/t/t_rc4.c b/t/t_rc4.c new file mode 100644 index 0000000..d5abbaf --- /dev/null +++ b/t/t_rc4.c @@ -0,0 +1,287 @@ +/*- + * Copyright (c) 2015 Dag-Erling Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "cryb/impl.h" + +#include +#include +#include + +#include + +#include "t.h" + +struct t_case { + const char *desc; + unsigned int keylen; + const uint8_t key[32]; + const uint8_t stream[32]; +}; + +/*************************************************************************** + * Test cases + */ +static struct t_case t_cases[] = { + /* test vectors from RFC 6229 */ + { + .desc ="RFC 6229 test vector 1", + .keylen = 5, + .key = { + 0x01, 0x02, 0x03, 0x04, 0x05, + }, + .stream = { + 0xb2, 0x39, 0x63, 0x05, 0xf0, 0x3d, 0xc0, 0x27, + 0xcc, 0xc3, 0x52, 0x4a, 0x0a, 0x11, 0x18, 0xa8, + 0x69, 0x82, 0x94, 0x4f, 0x18, 0xfc, 0x82, 0xd5, + 0x89, 0xc4, 0x03, 0xa4, 0x7a, 0x0d, 0x09, 0x19, + }, + }, + { + .desc ="RFC 6229 test vector 2", + .keylen = 7, + .key = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + }, + .stream = { + 0x29, 0x3f, 0x02, 0xd4, 0x7f, 0x37, 0xc9, 0xb6, + 0x33, 0xf2, 0xaf, 0x52, 0x85, 0xfe, 0xb4, 0x6b, + 0xe6, 0x20, 0xf1, 0x39, 0x0d, 0x19, 0xbd, 0x84, + 0xe2, 0xe0, 0xfd, 0x75, 0x20, 0x31, 0xaf, 0xc1, + }, + }, + { + .desc ="RFC 6229 test vector 3", + .keylen = 8, + .key = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + }, + .stream = { + 0x97, 0xab, 0x8a, 0x1b, 0xf0, 0xaf, 0xb9, 0x61, + 0x32, 0xf2, 0xf6, 0x72, 0x58, 0xda, 0x15, 0xa8, + 0x82, 0x63, 0xef, 0xdb, 0x45, 0xc4, 0xa1, 0x86, + 0x84, 0xef, 0x87, 0xe6, 0xb1, 0x9e, 0x5b, 0x09, + }, + }, + { + .desc ="RFC 6229 test vector 4", + .keylen = 10, + .key = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, + }, + .stream = { + 0xed, 0xe3, 0xb0, 0x46, 0x43, 0xe5, 0x86, 0xcc, + 0x90, 0x7d, 0xc2, 0x18, 0x51, 0x70, 0x99, 0x02, + 0x03, 0x51, 0x6b, 0xa7, 0x8f, 0x41, 0x3b, 0xeb, + 0x22, 0x3a, 0xa5, 0xd4, 0xd2, 0xdf, 0x67, 0x11, + }, + }, + { + .desc ="RFC 6229 test vector 5", + .keylen = 16, + .key = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, + }, + .stream = { + 0x9a, 0xc7, 0xcc, 0x9a, 0x60, 0x9d, 0x1e, 0xf7, + 0xb2, 0x93, 0x28, 0x99, 0xcd, 0xe4, 0x1b, 0x97, + 0x52, 0x48, 0xc4, 0x95, 0x90, 0x14, 0x12, 0x6a, + 0x6e, 0x8a, 0x84, 0xf1, 0x1d, 0x1a, 0x9e, 0x1c, + }, + }, + { + .desc ="RFC 6229 test vector 6", + .keylen = 24, + .key = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, + 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, + }, + .stream = { + 0x05, 0x95, 0xe5, 0x7f, 0xe5, 0xf0, 0xbb, 0x3c, + 0x70, 0x6e, 0xda, 0xc8, 0xa4, 0xb2, 0xdb, 0x11, + 0xdf, 0xde, 0x31, 0x34, 0x4a, 0x1a, 0xf7, 0x69, + 0xc7, 0x4f, 0x07, 0x0a, 0xee, 0x9e, 0x23, 0x26, + }, + }, + { + .desc ="RFC 6229 test vector 7", + .keylen = 32, + .key = { + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, + 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, + 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, + }, + .stream = { + 0xea, 0xa6, 0xbd, 0x25, 0x88, 0x0b, 0xf9, 0x3d, + 0x3f, 0x5d, 0x1e, 0x4c, 0xa2, 0x61, 0x1d, 0x91, + 0xcf, 0xa4, 0x5c, 0x9f, 0x7e, 0x71, 0x4b, 0x54, + 0xbd, 0xfa, 0x80, 0x02, 0x7c, 0xb1, 0x43, 0x80, + }, + }, + { + .desc ="RFC 6229 test vector 8", + .keylen = 5, + .key = { + 0x83, 0x32, 0x22, 0x77, 0x2a, + }, + .stream = { + 0x80, 0xad, 0x97, 0xbd, 0xc9, 0x73, 0xdf, 0x8a, + 0x2e, 0x87, 0x9e, 0x92, 0xa4, 0x97, 0xef, 0xda, + 0x20, 0xf0, 0x60, 0xc2, 0xf2, 0xe5, 0x12, 0x65, + 0x01, 0xd3, 0xd4, 0xfe, 0xa1, 0x0d, 0x5f, 0xc0, + }, + }, + { + .desc ="RFC 6229 test vector 9", + .keylen = 7, + .key = { + 0x19, 0x10, 0x83, 0x32, 0x22, 0x77, 0x2a, + }, + .stream = { + 0xbc, 0x92, 0x22, 0xdb, 0xd3, 0x27, 0x4d, 0x8f, + 0xc6, 0x6d, 0x14, 0xcc, 0xbd, 0xa6, 0x69, 0x0b, + 0x7a, 0xe6, 0x27, 0x41, 0x0c, 0x9a, 0x2b, 0xe6, + 0x93, 0xdf, 0x5b, 0xb7, 0x48, 0x5a, 0x63, 0xe3, + }, + }, + { + .desc ="RFC 6229 test vector 10", + .keylen = 8, + .key = { + 0x64, 0x19, 0x10, 0x83, 0x32, 0x22, 0x77, 0x2a, + }, + .stream = { + 0xbb, 0xf6, 0x09, 0xde, 0x94, 0x13, 0x17, 0x2d, + 0x07, 0x66, 0x0c, 0xb6, 0x80, 0x71, 0x69, 0x26, + 0x46, 0x10, 0x1a, 0x6d, 0xab, 0x43, 0x11, 0x5d, + 0x6c, 0x52, 0x2b, 0x4f, 0xe9, 0x36, 0x04, 0xa9, + }, + }, + { + .desc ="RFC 6229 test vector 11", + .keylen = 10, + .key = { + 0x8b, 0x37, 0x64, 0x19, 0x10, 0x83, 0x32, 0x22, + 0x77, 0x2a, + }, + .stream = { + 0xab, 0x65, 0xc2, 0x6e, 0xdd, 0xb2, 0x87, 0x60, + 0x0d, 0xb2, 0xfd, 0xa1, 0x0d, 0x1e, 0x60, 0x5c, + 0xbb, 0x75, 0x90, 0x10, 0xc2, 0x96, 0x58, 0xf2, + 0xc7, 0x2d, 0x93, 0xa2, 0xd1, 0x6d, 0x29, 0x30, + }, + }, + { + .desc ="RFC 6229 test vector 12", + .keylen = 16, + .key = { + 0xeb, 0xb4, 0x62, 0x27, 0xc6, 0xcc, 0x8b, 0x37, + 0x64, 0x19, 0x10, 0x83, 0x32, 0x22, 0x77, 0x2a, + }, + .stream = { + 0x72, 0x0c, 0x94, 0xb6, 0x3e, 0xdf, 0x44, 0xe1, + 0x31, 0xd9, 0x50, 0xca, 0x21, 0x1a, 0x5a, 0x30, + 0xc3, 0x66, 0xfd, 0xea, 0xcf, 0x9c, 0xa8, 0x04, + 0x36, 0xbe, 0x7c, 0x35, 0x84, 0x24, 0xd2, 0x0b, + }, + }, + { + .desc ="RFC 6229 test vector 13", + .keylen = 24, + .key = { + 0xc1, 0x09, 0x16, 0x39, 0x08, 0xeb, 0xe5, 0x1d, + 0xeb, 0xb4, 0x62, 0x27, 0xc6, 0xcc, 0x8b, 0x37, + 0x64, 0x19, 0x10, 0x83, 0x32, 0x22, 0x77, 0x2a, + }, + .stream = { + 0x54, 0xb6, 0x4e, 0x6b, 0x5a, 0x20, 0xb5, 0xe2, + 0xec, 0x84, 0x59, 0x3d, 0xc7, 0x98, 0x9d, 0xa7, + 0xc1, 0x35, 0xee, 0xe2, 0x37, 0xa8, 0x54, 0x65, + 0xff, 0x97, 0xdc, 0x03, 0x92, 0x4f, 0x45, 0xce, + }, + }, + { + .desc ="RFC 6229 test vector 14", + .keylen = 32, + .key = { + 0x1a, 0xda, 0x31, 0xd5, 0xcf, 0x68, 0x82, 0x21, + 0xc1, 0x09, 0x16, 0x39, 0x08, 0xeb, 0xe5, 0x1d, + 0xeb, 0xb4, 0x62, 0x27, 0xc6, 0xcc, 0x8b, 0x37, + 0x64, 0x19, 0x10, 0x83, 0x32, 0x22, 0x77, 0x2a, + }, + .stream = { + 0xdd, 0x5b, 0xcb, 0x00, 0x18, 0xe9, 0x22, 0xd4, + 0x94, 0x75, 0x9d, 0x7c, 0x39, 0x5d, 0x02, 0xd3, + 0xc8, 0x44, 0x6f, 0x8f, 0x77, 0xab, 0xf7, 0x37, + 0x68, 0x53, 0x53, 0xeb, 0x89, 0xa1, 0xc9, 0xeb, + }, + }, +}; + +/*************************************************************************** + * Test functions + */ +static int +t_rc4(char **desc CRYB_UNUSED, void *arg) +{ + struct t_case *t = arg; + uint8_t out[32]; + rc4_ctx ctx; + + rc4_init(&ctx, 0xf00l, t->key, t->keylen); + rc4_update(&ctx, t_zero, 32, out); + rc4_finish(&ctx); + return (t_compare_mem(t->stream, out, 32)); +} + + +/*************************************************************************** + * Boilerplate + */ + +int +t_prepare(int argc, char *argv[]) +{ + unsigned int i, n; + + (void)argc; + (void)argv; + n = sizeof t_cases / sizeof t_cases[0]; + for (i = 0; i < n; ++i) + t_add_test(t_rc4, &t_cases[i], t_cases[i].desc); + return (0); +} + +void +t_cleanup(void) +{ +}