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-rw-r--r--nss/lib/freebl/md2.c397
1 files changed, 199 insertions, 198 deletions
diff --git a/nss/lib/freebl/md2.c b/nss/lib/freebl/md2.c
index d069eca..cb3d3d8 100644
--- a/nss/lib/freebl/md2.c
+++ b/nss/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);
}
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