diff options
Diffstat (limited to 'nss/lib/freebl/seed.h')
-rw-r--r-- | nss/lib/freebl/seed.h | 139 |
1 files changed, 68 insertions, 71 deletions
diff --git a/nss/lib/freebl/seed.h b/nss/lib/freebl/seed.h index 8e09dbf..f527165 100644 --- a/nss/lib/freebl/seed.h +++ b/nss/lib/freebl/seed.h @@ -9,86 +9,85 @@ #include "blapi.h" #if !defined(NO_SYS_TYPES_H) -# include <sys/types.h> +#include <sys/types.h> #endif typedef PRUint32 seed_word; -#define G_FUNC(v) \ - SS[0][((v) & 0xff)] ^ \ - SS[1][((v)>> 8 & 0xff)] ^ \ - SS[2][((v)>>16 & 0xff)] ^ \ - SS[3][((v)>>24 & 0xff)] +#define G_FUNC(v) \ + SS[0][((v)&0xff)] ^ \ + SS[1][((v) >> 8 & 0xff)] ^ \ + SS[2][((v) >> 16 & 0xff)] ^ \ + SS[3][((v) >> 24 & 0xff)] -#define char2word(c, i) \ +#define char2word(c, i) \ (i) = ((((seed_word)((c)[0])) << 24) | \ (((seed_word)((c)[1])) << 16) | \ - (((seed_word)((c)[2])) << 8) | \ - ((seed_word)((c)[3]))) - -#define word2char(l, c) \ - *((c)+0) = (unsigned char)((l)>>24); \ - *((c)+1) = (unsigned char)((l)>>16); \ - *((c)+2) = (unsigned char)((l)>> 8); \ - *((c)+3) = (unsigned char)((l) ) - -#define KEYSCHEDULE_UPDATE0(T0, T1, K0, K1, K2, K3, KC) \ - (T0) = (K2); \ - (K2) = (((K2)<<8) ^ ((K3)>>24)); \ - (K3) = (((K3)<<8) ^ ((T0)>>24)); \ - (T0) = ((K0) + (K2) - (KC)); \ + (((seed_word)((c)[2])) << 8) | \ + ((seed_word)((c)[3]))) + +#define word2char(l, c) \ + *((c) + 0) = (unsigned char)((l) >> 24); \ + *((c) + 1) = (unsigned char)((l) >> 16); \ + *((c) + 2) = (unsigned char)((l) >> 8); \ + *((c) + 3) = (unsigned char)((l)) + +#define KEYSCHEDULE_UPDATE0(T0, T1, K0, K1, K2, K3, KC) \ + (T0) = (K2); \ + (K2) = (((K2) << 8) ^ ((K3) >> 24)); \ + (K3) = (((K3) << 8) ^ ((T0) >> 24)); \ + (T0) = ((K0) + (K2) - (KC)); \ (T1) = ((K1) + (KC) - (K3)) #define KEYSCHEDULE_UPDATE1(T0, T1, K0, K1, K2, K3, KC) \ - (T0) = (K0); \ - (K0) = (((K0)>>8) ^ ((K1)<<24)); \ - (K1) = (((K1)>>8) ^ ((T0)<<24)); \ - (T0) = ((K0) + (K2) - (KC)); \ + (T0) = (K0); \ + (K0) = (((K0) >> 8) ^ ((K1) << 24)); \ + (K1) = (((K1) >> 8) ^ ((T0) << 24)); \ + (T0) = ((K0) + (K2) - (KC)); \ (T1) = ((K1) + (KC) - (K3)) -#define KEYUPDATE_TEMP(T0, T1, K) \ - (K)[0] = G_FUNC((T0)); \ +#define KEYUPDATE_TEMP(T0, T1, K) \ + (K)[0] = G_FUNC((T0)); \ (K)[1] = G_FUNC((T1)) -#define XOR_SEEDBLOCK(DST, SRC) \ - (DST)[0] ^= (SRC)[0]; \ - (DST)[1] ^= (SRC)[1]; \ - (DST)[2] ^= (SRC)[2]; \ +#define XOR_SEEDBLOCK(DST, SRC) \ + (DST)[0] ^= (SRC)[0]; \ + (DST)[1] ^= (SRC)[1]; \ + (DST)[2] ^= (SRC)[2]; \ (DST)[3] ^= (SRC)[3] -#define MOV_SEEDBLOCK(DST, SRC) \ - (DST)[0] = (SRC)[0]; \ - (DST)[1] = (SRC)[1]; \ - (DST)[2] = (SRC)[2]; \ +#define MOV_SEEDBLOCK(DST, SRC) \ + (DST)[0] = (SRC)[0]; \ + (DST)[1] = (SRC)[1]; \ + (DST)[2] = (SRC)[2]; \ (DST)[3] = (SRC)[3] -# define CHAR2WORD(C, I) \ - char2word((C), (I)[0]); \ - char2word((C)+4, (I)[1]); \ - char2word((C)+8, (I)[2]); \ - char2word((C)+12, (I)[3]) - -# define WORD2CHAR(I, C) \ - word2char((I)[0], (C)); \ - word2char((I)[1], (C+4)); \ - word2char((I)[2], (C+8)); \ - word2char((I)[3], (C+12)) - -# define E_SEED(T0, T1, X1, X2, X3, X4, rbase) \ - (T0) = (X3) ^ (ks->data)[(rbase)]; \ - (T1) = (X4) ^ (ks->data)[(rbase)+1]; \ - (T1) ^= (T0); \ - (T1) = G_FUNC(T1); \ - (T0) += (T1); \ - (T0) = G_FUNC(T0); \ - (T1) += (T0); \ - (T1) = G_FUNC(T1); \ - (T0) += (T1); \ - (X1) ^= (T0); \ +#define CHAR2WORD(C, I) \ + char2word((C), (I)[0]); \ + char2word((C) + 4, (I)[1]); \ + char2word((C) + 8, (I)[2]); \ + char2word((C) + 12, (I)[3]) + +#define WORD2CHAR(I, C) \ + word2char((I)[0], (C)); \ + word2char((I)[1], (C + 4)); \ + word2char((I)[2], (C + 8)); \ + word2char((I)[3], (C + 12)) + +#define E_SEED(T0, T1, X1, X2, X3, X4, rbase) \ + (T0) = (X3) ^ (ks->data)[(rbase)]; \ + (T1) = (X4) ^ (ks->data)[(rbase) + 1]; \ + (T1) ^= (T0); \ + (T1) = G_FUNC(T1); \ + (T0) += (T1); \ + (T0) = G_FUNC(T0); \ + (T1) += (T0); \ + (T1) = G_FUNC(T1); \ + (T0) += (T1); \ + (X1) ^= (T0); \ (X2) ^= (T1) - -#ifdef __cplusplus +#ifdef __cplusplus extern "C" { #endif @@ -96,8 +95,6 @@ typedef struct seed_key_st { PRUint32 data[32]; } SEED_KEY_SCHEDULE; - - struct SEEDContextStr { unsigned char iv[SEED_BLOCK_SIZE]; SEED_KEY_SCHEDULE ks; @@ -105,23 +102,23 @@ struct SEEDContextStr { unsigned int encrypt; }; -void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH], +void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH], SEED_KEY_SCHEDULE *ks); -void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE], - unsigned char d[SEED_BLOCK_SIZE], +void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE], + unsigned char d[SEED_BLOCK_SIZE], const SEED_KEY_SCHEDULE *ks); -void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE], - unsigned char d[SEED_BLOCK_SIZE], +void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE], + unsigned char d[SEED_BLOCK_SIZE], const SEED_KEY_SCHEDULE *ks); -void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out, +void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out, const SEED_KEY_SCHEDULE *ks, int enc); -void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, - size_t len, const SEED_KEY_SCHEDULE *ks, +void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, + size_t len, const SEED_KEY_SCHEDULE *ks, unsigned char ivec[SEED_BLOCK_SIZE], int enc); -#ifdef __cplusplus +#ifdef __cplusplus } #endif |