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Diffstat (limited to 'security/nss/lib/freebl/md2.c')
| -rw-r--r-- | security/nss/lib/freebl/md2.c | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/security/nss/lib/freebl/md2.c b/security/nss/lib/freebl/md2.c deleted file mode 100644 index 3f7427c14..000000000 --- a/security/nss/lib/freebl/md2.c +++ /dev/null @@ -1,288 +0,0 @@ -/* - * The contents of this file are subject to the Mozilla Public - * License Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS - * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or - * implied. See the License for the specific language governing - * rights and limitations under the License. - * - * The Original Code is the Netscape security libraries. - * - * The Initial Developer of the Original Code is Netscape - * Communications Corporation. Portions created by Netscape are - * Copyright (C) 1994-2000 Netscape Communications Corporation. All - * Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the - * terms of the GNU General Public License Version 2 or later (the - * "GPL"), in which case the provisions of the GPL are applicable - * instead of those above. If you wish to allow use of your - * version of this file only under the terms of the GPL and not to - * allow others to use your version of this file under the MPL, - * indicate your decision by deleting the provisions above and - * replace them with the notice and other provisions required by - * the GPL. If you do not delete the provisions above, a recipient - * may use your version of this file under either the MPL or the - * GPL. - */ - -#include "prerr.h" -#include "secerr.h" - -#include "prtypes.h" - -#include "blapi.h" - -#define MD2_DIGEST_LEN 16 -#define MD2_BUFSIZE 16 -#define MD2_X_SIZE 48 /* The X array, [CV | INPUT | TMP VARS] */ -#define MD2_CV 0 /* index into X for chaining variables */ -#define MD2_INPUT 16 /* index into X for input */ -#define MD2_TMPVARS 32 /* index into X for temporary variables */ -#define MD2_CHECKSUM_SIZE 16 - -struct MD2ContextStr { - unsigned char checksum[MD2_BUFSIZE]; - unsigned char X[MD2_X_SIZE]; - PRUint8 unusedBuffer; -}; - -static const PRUint8 MD2S[256] = { - 0051, 0056, 0103, 0311, 0242, 0330, 0174, 0001, - 0075, 0066, 0124, 0241, 0354, 0360, 0006, 0023, - 0142, 0247, 0005, 0363, 0300, 0307, 0163, 0214, - 0230, 0223, 0053, 0331, 0274, 0114, 0202, 0312, - 0036, 0233, 0127, 0074, 0375, 0324, 0340, 0026, - 0147, 0102, 0157, 0030, 0212, 0027, 0345, 0022, - 0276, 0116, 0304, 0326, 0332, 0236, 0336, 0111, - 0240, 0373, 0365, 0216, 0273, 0057, 0356, 0172, - 0251, 0150, 0171, 0221, 0025, 0262, 0007, 0077, - 0224, 0302, 0020, 0211, 0013, 0042, 0137, 0041, - 0200, 0177, 0135, 0232, 0132, 0220, 0062, 0047, - 0065, 0076, 0314, 0347, 0277, 0367, 0227, 0003, - 0377, 0031, 0060, 0263, 0110, 0245, 0265, 0321, - 0327, 0136, 0222, 0052, 0254, 0126, 0252, 0306, - 0117, 0270, 0070, 0322, 0226, 0244, 0175, 0266, - 0166, 0374, 0153, 0342, 0234, 0164, 0004, 0361, - 0105, 0235, 0160, 0131, 0144, 0161, 0207, 0040, - 0206, 0133, 0317, 0145, 0346, 0055, 0250, 0002, - 0033, 0140, 0045, 0255, 0256, 0260, 0271, 0366, - 0034, 0106, 0141, 0151, 0064, 0100, 0176, 0017, - 0125, 0107, 0243, 0043, 0335, 0121, 0257, 0072, - 0303, 0134, 0371, 0316, 0272, 0305, 0352, 0046, - 0054, 0123, 0015, 0156, 0205, 0050, 0204, 0011, - 0323, 0337, 0315, 0364, 0101, 0201, 0115, 0122, - 0152, 0334, 0067, 0310, 0154, 0301, 0253, 0372, - 0044, 0341, 0173, 0010, 0014, 0275, 0261, 0112, - 0170, 0210, 0225, 0213, 0343, 0143, 0350, 0155, - 0351, 0313, 0325, 0376, 0073, 0000, 0035, 0071, - 0362, 0357, 0267, 0016, 0146, 0130, 0320, 0344, - 0246, 0167, 0162, 0370, 0353, 0165, 0113, 0012, - 0061, 0104, 0120, 0264, 0217, 0355, 0037, 0032, - 0333, 0231, 0215, 0063, 0237, 0021, 0203, 0024 -}; - -SECStatus -MD2_Hash(unsigned char *dest, const char *src) -{ - unsigned int len; - MD2Context *cx = MD2_NewContext(); - if (!cx) { - PORT_SetError(PR_OUT_OF_MEMORY_ERROR); - return SECFailure; - } - MD2_Begin(cx); - MD2_Update(cx, (unsigned char *)src, PL_strlen(src)); - MD2_End(cx, dest, &len, MD2_DIGEST_LEN); - MD2_DestroyContext(cx, PR_TRUE); - return SECSuccess; -} - -MD2Context * -MD2_NewContext(void) -{ - MD2Context *cx = (MD2Context *)PORT_ZAlloc(sizeof(MD2Context)); - if (cx == NULL) { - PORT_SetError(PR_OUT_OF_MEMORY_ERROR); - return NULL; - } - return cx; -} - -void -MD2_DestroyContext(MD2Context *cx, PRBool freeit) -{ - if (freeit) - PORT_ZFree(cx, sizeof(*cx)); -} - -void -MD2_Begin(MD2Context *cx) -{ - memset(cx, 0, sizeof(*cx)); - cx->unusedBuffer = MD2_BUFSIZE; -} - -static void -md2_compress(MD2Context *cx) -{ - int j; - unsigned char P; - P = cx->checksum[MD2_CHECKSUM_SIZE-1]; - /* Compute the running checksum, and set the tmp variables to be - * CV[i] XOR input[i] - */ -#define CKSUMFN(n) \ - P = cx->checksum[n] ^ MD2S[cx->X[MD2_INPUT+n] ^ P]; \ - cx->checksum[n] = P; \ - cx->X[MD2_TMPVARS+n] = cx->X[n] ^ cx->X[MD2_INPUT+n]; - CKSUMFN(0); - CKSUMFN(1); - CKSUMFN(2); - CKSUMFN(3); - CKSUMFN(4); - CKSUMFN(5); - CKSUMFN(6); - CKSUMFN(7); - CKSUMFN(8); - CKSUMFN(9); - CKSUMFN(10); - CKSUMFN(11); - CKSUMFN(12); - CKSUMFN(13); - CKSUMFN(14); - CKSUMFN(15); - /* The compression function. */ -#define COMPRESS(n) \ - P = cx->X[n] ^ MD2S[P]; \ - cx->X[n] = P; - P = 0x00; - for (j=0; j<18; j++) { - COMPRESS(0); - COMPRESS(1); - COMPRESS(2); - COMPRESS(3); - COMPRESS(4); - COMPRESS(5); - COMPRESS(6); - COMPRESS(7); - COMPRESS(8); - COMPRESS(9); - COMPRESS(10); - COMPRESS(11); - COMPRESS(12); - COMPRESS(13); - COMPRESS(14); - COMPRESS(15); - COMPRESS(16); - COMPRESS(17); - COMPRESS(18); - COMPRESS(19); - COMPRESS(20); - COMPRESS(21); - COMPRESS(22); - COMPRESS(23); - COMPRESS(24); - COMPRESS(25); - COMPRESS(26); - COMPRESS(27); - COMPRESS(28); - COMPRESS(29); - COMPRESS(30); - COMPRESS(31); - COMPRESS(32); - COMPRESS(33); - COMPRESS(34); - COMPRESS(35); - COMPRESS(36); - COMPRESS(37); - COMPRESS(38); - COMPRESS(39); - COMPRESS(40); - COMPRESS(41); - COMPRESS(42); - COMPRESS(43); - COMPRESS(44); - COMPRESS(45); - COMPRESS(46); - COMPRESS(47); - P = (P + j) % 256; - } - cx->unusedBuffer = MD2_BUFSIZE; -} - -void -MD2_Update(MD2Context *cx, const unsigned char *input, unsigned int inputLen) -{ - PRUint32 bytesToConsume; - - /* Fill the remaining input buffer. */ - if (cx->unusedBuffer != MD2_BUFSIZE) { - bytesToConsume = PR_MIN(inputLen, cx->unusedBuffer); - memcpy(&cx->X[MD2_INPUT + (MD2_BUFSIZE - cx->unusedBuffer)], - input, bytesToConsume); - if (cx->unusedBuffer + bytesToConsume >= MD2_BUFSIZE) - md2_compress(cx); - inputLen -= bytesToConsume; - input += bytesToConsume; - } - - /* Iterate over 16-byte chunks of the input. */ - while (inputLen >= MD2_BUFSIZE) { - memcpy(&cx->X[MD2_INPUT], input, MD2_BUFSIZE); - md2_compress(cx); - inputLen -= MD2_BUFSIZE; - input += MD2_BUFSIZE; - } - - /* Copy any input that remains into the buffer. */ - if (inputLen) - memcpy(&cx->X[MD2_INPUT], input, inputLen); - cx->unusedBuffer = MD2_BUFSIZE - inputLen; -} - -void -MD2_End(MD2Context *cx, unsigned char *digest, - unsigned int *digestLen, unsigned int maxDigestLen) -{ - PRUint8 padStart; - if (maxDigestLen < MD2_BUFSIZE) { - PORT_SetError(SEC_ERROR_INVALID_ARGS); - return; - } - padStart = MD2_BUFSIZE - cx->unusedBuffer; - memset(&cx->X[MD2_INPUT + padStart], cx->unusedBuffer, - cx->unusedBuffer); - md2_compress(cx); - memcpy(&cx->X[MD2_INPUT], cx->checksum, MD2_BUFSIZE); - md2_compress(cx); - *digestLen = MD2_DIGEST_LEN; - memcpy(digest, &cx->X[MD2_CV], MD2_DIGEST_LEN); -} - -unsigned int -MD2_FlattenSize(MD2Context *cx) -{ - return sizeof(*cx); -} - -SECStatus -MD2_Flatten(MD2Context *cx, unsigned char *space) -{ - memcpy(space, cx, sizeof(*cx)); - return SECSuccess; -} - -MD2Context * -MD2_Resurrect(unsigned char *space, void *arg) -{ - MD2Context *cx = MD2_NewContext(); - if (cx) - memcpy(cx, space, sizeof(*cx)); - return cx; -} |