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author | Franziskus Kiefer <franziskuskiefer@gmail.com> | 2016-08-29 11:25:38 +0200 |
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committer | Franziskus Kiefer <franziskuskiefer@gmail.com> | 2016-08-29 11:25:38 +0200 |
commit | 82515c6f5fe26fa4185e9b8227f93d196d52f9ec (patch) | |
tree | 221abd8490e19cef3ca50d586e38977916d1324c /lib/freebl/md2.c | |
parent | c5aab4eaf241e996126f6f30aa35ed1c6a9fa96b (diff) | |
download | nss-hg-82515c6f5fe26fa4185e9b8227f93d196d52f9ec.tar.gz |
Bug 1246619 - freebl clang-format, r=kaie
Diffstat (limited to 'lib/freebl/md2.c')
-rw-r--r-- | lib/freebl/md2.c | 397 |
1 files changed, 199 insertions, 198 deletions
diff --git a/lib/freebl/md2.c b/lib/freebl/md2.c index d069ecaaa..cb3d3d82b 100644 --- a/lib/freebl/md2.c +++ b/lib/freebl/md2.c @@ -13,256 +13,257 @@ #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_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; + 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 + 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 +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, (const unsigned char *)src, PORT_Strlen(src)); - MD2_End(cx, dest, &len, MD2_DIGEST_LEN); - MD2_DestroyContext(cx, PR_TRUE); - return SECSuccess; + unsigned int len; + MD2Context *cx = MD2_NewContext(); + if (!cx) { + PORT_SetError(PR_OUT_OF_MEMORY_ERROR); + return SECFailure; + } + MD2_Begin(cx); + MD2_Update(cx, (const unsigned char *)src, PORT_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; + MD2Context *cx = (MD2Context *)PORT_ZAlloc(sizeof(MD2Context)); + if (cx == NULL) { + PORT_SetError(PR_OUT_OF_MEMORY_ERROR); + return NULL; + } + return cx; } -void +void MD2_DestroyContext(MD2Context *cx, PRBool freeit) { - if (freeit) - PORT_ZFree(cx, sizeof(*cx)); + if (freeit) + PORT_ZFree(cx, sizeof(*cx)); } -void +void MD2_Begin(MD2Context *cx) { - memset(cx, 0, sizeof(*cx)); - cx->unusedBuffer = MD2_BUFSIZE; + 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; + 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 +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; - } + PRUint32 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; - } + /* 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; + } - /* Copy any input that remains into the buffer. */ - if (inputLen) - memcpy(&cx->X[MD2_INPUT], input, inputLen); - cx->unusedBuffer = MD2_BUFSIZE - inputLen; + /* 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 +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); + 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 +unsigned int MD2_FlattenSize(MD2Context *cx) { - return sizeof(*cx); + return sizeof(*cx); } -SECStatus +SECStatus MD2_Flatten(MD2Context *cx, unsigned char *space) { - memcpy(space, cx, sizeof(*cx)); - return SECSuccess; + memcpy(space, cx, sizeof(*cx)); + return SECSuccess; } -MD2Context * +MD2Context * MD2_Resurrect(unsigned char *space, void *arg) { - MD2Context *cx = MD2_NewContext(); - if (cx) - memcpy(cx, space, sizeof(*cx)); - return cx; + MD2Context *cx = MD2_NewContext(); + if (cx) + memcpy(cx, space, sizeof(*cx)); + return cx; } -void MD2_Clone(MD2Context *dest, MD2Context *src) +void +MD2_Clone(MD2Context *dest, MD2Context *src) { - memcpy(dest, src, sizeof *dest); + memcpy(dest, src, sizeof *dest); } |