TeaSpeak/tomcrypt
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added libtomcrypt-1.03

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This commit is contained in:
Tom St Denis
2005-06-09 00:08:13 +00:00
committed by Steffen Jaeckel
parent 65c1317eee
commit 3964a6523a
285 changed files with 5920 additions and 2287 deletions
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src/encauth/gcm/gcm_add_aad.c
+8 -1
View File
@@ -27,8 +27,11 @@
int gcm_add_aad(gcm_state *gcm,
const unsigned char *adata, unsigned long adatalen)
{
unsigned long x, y;
unsigned long x;
int err;
#ifdef LTC_FAST
unsigned long y;
#endif
LTC_ARGCHK(gcm != NULL);
if (adatalen > 0) {
@@ -115,3 +118,7 @@ int gcm_add_aad(gcm_state *gcm,
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_add_iv.c
+4
View File
@@ -88,3 +88,7 @@ int gcm_add_iv(gcm_state *gcm,
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_done.c
+4
View File
@@ -75,3 +75,7 @@ int gcm_done(gcm_state *gcm,
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_gf_mult.c
+5
View File
@@ -31,6 +31,7 @@ static void gcm_rightshift(unsigned char *a)
static const unsigned char mask[] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
static const unsigned char poly[] = { 0x00, 0xE1 };
/**
GCM GF multiplier (internal use only)
@param a First value
@@ -87,3 +88,7 @@ void gcm_mult_h(gcm_state *gcm, unsigned char *I)
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_init.c
+64 -7
View File
@@ -17,6 +17,46 @@
#ifdef GCM_MODE
#ifdef GCM_TABLES
/* this is x*2^128 mod p(x) ... the results are 16 bytes each stored in a packed format. Since only the
* lower 16 bits are not zero'ed I removed the upper 14 bytes */
static const unsigned char gcm_shift_table[256*2] = {
0x00, 0x00, 0x01, 0xc2, 0x03, 0x84, 0x02, 0x46, 0x07, 0x08, 0x06, 0xca, 0x04, 0x8c, 0x05, 0x4e,
0x0e, 0x10, 0x0f, 0xd2, 0x0d, 0x94, 0x0c, 0x56, 0x09, 0x18, 0x08, 0xda, 0x0a, 0x9c, 0x0b, 0x5e,
0x1c, 0x20, 0x1d, 0xe2, 0x1f, 0xa4, 0x1e, 0x66, 0x1b, 0x28, 0x1a, 0xea, 0x18, 0xac, 0x19, 0x6e,
0x12, 0x30, 0x13, 0xf2, 0x11, 0xb4, 0x10, 0x76, 0x15, 0x38, 0x14, 0xfa, 0x16, 0xbc, 0x17, 0x7e,
0x38, 0x40, 0x39, 0x82, 0x3b, 0xc4, 0x3a, 0x06, 0x3f, 0x48, 0x3e, 0x8a, 0x3c, 0xcc, 0x3d, 0x0e,
0x36, 0x50, 0x37, 0x92, 0x35, 0xd4, 0x34, 0x16, 0x31, 0x58, 0x30, 0x9a, 0x32, 0xdc, 0x33, 0x1e,
0x24, 0x60, 0x25, 0xa2, 0x27, 0xe4, 0x26, 0x26, 0x23, 0x68, 0x22, 0xaa, 0x20, 0xec, 0x21, 0x2e,
0x2a, 0x70, 0x2b, 0xb2, 0x29, 0xf4, 0x28, 0x36, 0x2d, 0x78, 0x2c, 0xba, 0x2e, 0xfc, 0x2f, 0x3e,
0x70, 0x80, 0x71, 0x42, 0x73, 0x04, 0x72, 0xc6, 0x77, 0x88, 0x76, 0x4a, 0x74, 0x0c, 0x75, 0xce,
0x7e, 0x90, 0x7f, 0x52, 0x7d, 0x14, 0x7c, 0xd6, 0x79, 0x98, 0x78, 0x5a, 0x7a, 0x1c, 0x7b, 0xde,
0x6c, 0xa0, 0x6d, 0x62, 0x6f, 0x24, 0x6e, 0xe6, 0x6b, 0xa8, 0x6a, 0x6a, 0x68, 0x2c, 0x69, 0xee,
0x62, 0xb0, 0x63, 0x72, 0x61, 0x34, 0x60, 0xf6, 0x65, 0xb8, 0x64, 0x7a, 0x66, 0x3c, 0x67, 0xfe,
0x48, 0xc0, 0x49, 0x02, 0x4b, 0x44, 0x4a, 0x86, 0x4f, 0xc8, 0x4e, 0x0a, 0x4c, 0x4c, 0x4d, 0x8e,
0x46, 0xd0, 0x47, 0x12, 0x45, 0x54, 0x44, 0x96, 0x41, 0xd8, 0x40, 0x1a, 0x42, 0x5c, 0x43, 0x9e,
0x54, 0xe0, 0x55, 0x22, 0x57, 0x64, 0x56, 0xa6, 0x53, 0xe8, 0x52, 0x2a, 0x50, 0x6c, 0x51, 0xae,
0x5a, 0xf0, 0x5b, 0x32, 0x59, 0x74, 0x58, 0xb6, 0x5d, 0xf8, 0x5c, 0x3a, 0x5e, 0x7c, 0x5f, 0xbe,
0xe1, 0x00, 0xe0, 0xc2, 0xe2, 0x84, 0xe3, 0x46, 0xe6, 0x08, 0xe7, 0xca, 0xe5, 0x8c, 0xe4, 0x4e,
0xef, 0x10, 0xee, 0xd2, 0xec, 0x94, 0xed, 0x56, 0xe8, 0x18, 0xe9, 0xda, 0xeb, 0x9c, 0xea, 0x5e,
0xfd, 0x20, 0xfc, 0xe2, 0xfe, 0xa4, 0xff, 0x66, 0xfa, 0x28, 0xfb, 0xea, 0xf9, 0xac, 0xf8, 0x6e,
0xf3, 0x30, 0xf2, 0xf2, 0xf0, 0xb4, 0xf1, 0x76, 0xf4, 0x38, 0xf5, 0xfa, 0xf7, 0xbc, 0xf6, 0x7e,
0xd9, 0x40, 0xd8, 0x82, 0xda, 0xc4, 0xdb, 0x06, 0xde, 0x48, 0xdf, 0x8a, 0xdd, 0xcc, 0xdc, 0x0e,
0xd7, 0x50, 0xd6, 0x92, 0xd4, 0xd4, 0xd5, 0x16, 0xd0, 0x58, 0xd1, 0x9a, 0xd3, 0xdc, 0xd2, 0x1e,
0xc5, 0x60, 0xc4, 0xa2, 0xc6, 0xe4, 0xc7, 0x26, 0xc2, 0x68, 0xc3, 0xaa, 0xc1, 0xec, 0xc0, 0x2e,
0xcb, 0x70, 0xca, 0xb2, 0xc8, 0xf4, 0xc9, 0x36, 0xcc, 0x78, 0xcd, 0xba, 0xcf, 0xfc, 0xce, 0x3e,
0x91, 0x80, 0x90, 0x42, 0x92, 0x04, 0x93, 0xc6, 0x96, 0x88, 0x97, 0x4a, 0x95, 0x0c, 0x94, 0xce,
0x9f, 0x90, 0x9e, 0x52, 0x9c, 0x14, 0x9d, 0xd6, 0x98, 0x98, 0x99, 0x5a, 0x9b, 0x1c, 0x9a, 0xde,
0x8d, 0xa0, 0x8c, 0x62, 0x8e, 0x24, 0x8f, 0xe6, 0x8a, 0xa8, 0x8b, 0x6a, 0x89, 0x2c, 0x88, 0xee,
0x83, 0xb0, 0x82, 0x72, 0x80, 0x34, 0x81, 0xf6, 0x84, 0xb8, 0x85, 0x7a, 0x87, 0x3c, 0x86, 0xfe,
0xa9, 0xc0, 0xa8, 0x02, 0xaa, 0x44, 0xab, 0x86, 0xae, 0xc8, 0xaf, 0x0a, 0xad, 0x4c, 0xac, 0x8e,
0xa7, 0xd0, 0xa6, 0x12, 0xa4, 0x54, 0xa5, 0x96, 0xa0, 0xd8, 0xa1, 0x1a, 0xa3, 0x5c, 0xa2, 0x9e,
0xb5, 0xe0, 0xb4, 0x22, 0xb6, 0x64, 0xb7, 0xa6, 0xb2, 0xe8, 0xb3, 0x2a, 0xb1, 0x6c, 0xb0, 0xae,
0xbb, 0xf0, 0xba, 0x32, 0xb8, 0x74, 0xb9, 0xb6, 0xbc, 0xf8, 0xbd, 0x3a, 0xbf, 0x7c, 0xbe, 0xbe };
#endif
/**
Initialize a GCM state
@param gcm The GCM state to initialize
@@ -31,7 +71,7 @@ int gcm_init(gcm_state *gcm, int cipher,
int err;
unsigned char B[16];
#ifdef GCM_TABLES
int x, y;
int x, y, z, t;
#endif
LTC_ARGCHK(gcm != NULL);
@@ -72,17 +112,34 @@ int gcm_init(gcm_state *gcm, int cipher,
#ifdef GCM_TABLES
/* setup tables */
/* generate the first table as it has no shifting (from which we make the other tables) */
zeromem(B, 16);
for (x = 0; x < 16; x++) {
for (y = 0; y < 256; y++) {
B[x] = y;
gcm_gf_mult(gcm->H, B, &gcm->PC[x][y][0]);
}
B[x] = 0;
for (y = 0; y < 256; y++) {
B[0] = y;
gcm_gf_mult(gcm->H, B, &gcm->PC[0][y][0]);
}
/* now generate the rest of the tables based the previous table */
for (x = 1; x < 16; x++) {
for (y = 0; y < 256; y++) {
/* now shift it right by 8 bits */
t = gcm->PC[x-1][y][15];
for (z = 15; z > 0; z--) {
gcm->PC[x][y][z] = gcm->PC[x-1][y][z-1];
}
gcm->PC[x][y][0] = gcm_shift_table[t<<1];
gcm->PC[x][y][1] ^= gcm_shift_table[(t<<1)+1];
}
}
#endif
return CRYPT_OK;
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_memory.c
+4
View File
@@ -87,3 +87,7 @@ LTC_ERR:
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_process.c
+4
View File
@@ -141,3 +141,7 @@ int gcm_process(gcm_state *gcm,
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_reset.c
+4
View File
@@ -38,3 +38,7 @@ int gcm_reset(gcm_state *gcm)
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */
src/encauth/gcm/gcm_test.c
+4 -1
View File
@@ -281,7 +281,6 @@ int gcm_test(void)
};
int idx, err;
unsigned long x, y;
gcm_state gcm;
unsigned char out[2][64], T[2][16];
/* find aes */
@@ -363,3 +362,7 @@ int gcm_test(void)
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */