**
***************************************************************************/
-#ifndef RotL_64
-#define RotL_64(x, N) (((x) << (N)) | ((x) >> (64-(N))))
+#ifndef rotl_64
+#define rotl_64(x, N) (((x) << (N)) | ((x) >> (64-(N))))
#endif
/* below two prototype assume we are handed aligned data */
-#define Skein_Put64_LSB_First(dst08, src64, b_cnt) memcpy(dst08, src64, b_cnt)
-#define Skein_Get64_LSB_First(dst64, src08, w_cnt) \
+#define skein_put64_lsb_first(dst08, src64, b_cnt) memcpy(dst08, src64, b_cnt)
+#define skein_get64_lsb_first(dst64, src08, w_cnt) \
memcpy(dst64, src08, 8*(w_cnt))
-#define Skein_Swap64(w64) (w64)
+#define skein_swap64(w64) (w64)
enum {
SKEIN_SUCCESS = 0, /* return codes from Skein calls */
#define SKEIN_256_STATE_WORDS (4)
#define SKEIN_512_STATE_WORDS (8)
-#define SKEIN1024_STATE_WORDS (16)
+#define SKEIN_1024_STATE_WORDS (16)
#define SKEIN_MAX_STATE_WORDS (16)
#define SKEIN_256_STATE_BYTES (8*SKEIN_256_STATE_WORDS)
#define SKEIN_512_STATE_BYTES (8*SKEIN_512_STATE_WORDS)
-#define SKEIN1024_STATE_BYTES (8*SKEIN1024_STATE_WORDS)
+#define SKEIN_1024_STATE_BYTES (8*SKEIN_1024_STATE_WORDS)
#define SKEIN_256_STATE_BITS (64*SKEIN_256_STATE_WORDS)
#define SKEIN_512_STATE_BITS (64*SKEIN_512_STATE_WORDS)
-#define SKEIN1024_STATE_BITS (64*SKEIN1024_STATE_WORDS)
+#define SKEIN_1024_STATE_BITS (64*SKEIN_1024_STATE_WORDS)
#define SKEIN_256_BLOCK_BYTES (8*SKEIN_256_STATE_WORDS)
#define SKEIN_512_BLOCK_BYTES (8*SKEIN_512_STATE_WORDS)
-#define SKEIN1024_BLOCK_BYTES (8*SKEIN1024_STATE_WORDS)
+#define SKEIN_1024_BLOCK_BYTES (8*SKEIN_1024_STATE_WORDS)
struct skein_ctx_hdr {
size_t hash_bit_len; /* size of hash result, in bits */
struct skein_1024_ctx { /* 1024-bit Skein hash context structure */
struct skein_ctx_hdr h; /* common header context variables */
- u64 X[SKEIN1024_STATE_WORDS]; /* chaining variables */
- u8 b[SKEIN1024_BLOCK_BYTES]; /* partial block buf (8-byte aligned) */
+ u64 X[SKEIN_1024_STATE_WORDS]; /* chaining variables */
+ u8 b[SKEIN_1024_BLOCK_BYTES]; /* partial block buf (8-byte aligned) */
};
/* Skein APIs for (incremental) "straight hashing" */
** Skein macros for getting/setting tweak words, etc.
** These are useful for partial input bytes, hash tree init/update, etc.
**/
-#define Skein_Get_Tweak(ctx_ptr, TWK_NUM) ((ctx_ptr)->h.T[TWK_NUM])
-#define Skein_Set_Tweak(ctx_ptr, TWK_NUM, t_val) { \
+#define skein_get_tweak(ctx_ptr, TWK_NUM) ((ctx_ptr)->h.T[TWK_NUM])
+#define skein_set_tweak(ctx_ptr, TWK_NUM, t_val) { \
(ctx_ptr)->h.T[TWK_NUM] = (t_val); \
}
-#define Skein_Get_T0(ctx_ptr) Skein_Get_Tweak(ctx_ptr, 0)
-#define Skein_Get_T1(ctx_ptr) Skein_Get_Tweak(ctx_ptr, 1)
-#define Skein_Set_T0(ctx_ptr, T0) Skein_Set_Tweak(ctx_ptr, 0, T0)
-#define Skein_Set_T1(ctx_ptr, T1) Skein_Set_Tweak(ctx_ptr, 1, T1)
+#define skein_get_T0(ctx_ptr) skein_get_tweak(ctx_ptr, 0)
+#define skein_get_T1(ctx_ptr) skein_get_tweak(ctx_ptr, 1)
+#define skein_set_T0(ctx_ptr, T0) skein_set_tweak(ctx_ptr, 0, T0)
+#define skein_set_T1(ctx_ptr, T1) skein_set_tweak(ctx_ptr, 1, T1)
/* set both tweak words at once */
-#define Skein_Set_T0_T1(ctx_ptr, T0, T1) \
- { \
- Skein_Set_T0(ctx_ptr, (T0)); \
- Skein_Set_T1(ctx_ptr, (T1)); \
+#define skein_set_T0_T1(ctx_ptr, T0, T1) \
+ { \
+ skein_set_T0(ctx_ptr, (T0)); \
+ skein_set_T1(ctx_ptr, (T1)); \
}
-#define Skein_Set_Type(ctx_ptr, BLK_TYPE) \
- Skein_Set_T1(ctx_ptr, SKEIN_T1_BLK_TYPE_##BLK_TYPE)
+#define skein_set_type(ctx_ptr, BLK_TYPE) \
+ skein_set_T1(ctx_ptr, SKEIN_T1_BLK_TYPE_##BLK_TYPE)
/*
* setup for starting with a new type:
* h.T[0]=0; h.T[1] = NEW_TYPE; h.b_cnt=0;
*/
-#define Skein_Start_New_Type(ctx_ptr, BLK_TYPE) { \
- Skein_Set_T0_T1(ctx_ptr, 0, SKEIN_T1_FLAG_FIRST | \
+#define skein_start_new_type(ctx_ptr, BLK_TYPE) { \
+ skein_set_T0_T1(ctx_ptr, 0, SKEIN_T1_FLAG_FIRST | \
SKEIN_T1_BLK_TYPE_##BLK_TYPE); \
(ctx_ptr)->h.b_cnt = 0; \
}
-#define Skein_Clear_First_Flag(hdr) { \
+#define skein_clear_first_flag(hdr) { \
(hdr).T[1] &= ~SKEIN_T1_FLAG_FIRST; \
}
-#define Skein_Set_Bit_Pad_Flag(hdr) { \
+#define skein_set_bit_pad_flag(hdr) { \
(hdr).T[1] |= SKEIN_T1_FLAG_BIT_PAD; \
}
-#define Skein_Set_Tree_Level(hdr, height) { \
+#define skein_set_tree_level(hdr, height) { \
(hdr).T[1] |= SKEIN_T1_TREE_LEVEL(height); \
}
#ifdef SKEIN_DEBUG /* examine/display intermediate values? */
#include "skein_debug.h"
#else /* default is no callouts */
-#define Skein_Show_Block(bits, ctx, X, blk_ptr, w_ptr, ks_event_ptr, ks_odd_ptr)
-#define Skein_Show_Round(bits, ctx, r, X)
-#define Skein_Show_R_Ptr(bits, ctx, r, X_ptr)
-#define Skein_Show_Final(bits, ctx, cnt, out_ptr)
-#define Skein_Show_Key(bits, ctx, key, key_bytes)
+#define skein_show_block(bits, ctx, X, blk_ptr, w_ptr, ks_event_ptr, ks_odd_ptr)
+#define skein_show_round(bits, ctx, r, X)
+#define skein_show_r_ptr(bits, ctx, r, X_ptr)
+#define skein_show_final(bits, ctx, cnt, out_ptr)
+#define skein_show_key(bits, ctx, key, key_bytes)
#endif
-#define Skein_Assert(x, ret_code)/* ignore all Asserts, for performance */
-#define Skein_assert(x)
+/* ignore all asserts, for performance */
+#define skein_assert_ret(x, ret_code)
+#define skein_assert(x)
/*****************************************************************
** Skein block function constants (shared across Ref and Opt code)
#ifndef SKEIN_ROUNDS
#define SKEIN_256_ROUNDS_TOTAL (72) /* # rounds for diff block sizes */
#define SKEIN_512_ROUNDS_TOTAL (72)
-#define SKEIN1024_ROUNDS_TOTAL (80)
+#define SKEIN_1024_ROUNDS_TOTAL (80)
#else /* allow command-line define in range 8*(5..14) */
#define SKEIN_256_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS/100) + 5) % 10) + 5))
#define SKEIN_512_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS/10) + 5) % 10) + 5))
-#define SKEIN1024_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS) + 5) % 10) + 5))
+#define SKEIN_1024_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS) + 5) % 10) + 5))
#endif
#endif /* ifndef _SKEIN_H_ */
};
/* blkSize = 1024 bits. hashSize = 384 bits */
-const u64 SKEIN1024_IV_384[] = {
+const u64 SKEIN_1024_IV_384[] = {
MK_64(0x5102B6B8, 0xC1894A35),
MK_64(0xFEEBC9E3, 0xFE8AF11A),
MK_64(0x0C807F06, 0xE32BED71),
};
/* blkSize = 1024 bits. hashSize = 512 bits */
-const u64 SKEIN1024_IV_512[] = {
+const u64 SKEIN_1024_IV_512[] = {
MK_64(0xCAEC0E5D, 0x7C1B1B18),
MK_64(0xA01B0E04, 0x5F03E802),
MK_64(0x33840451, 0xED912885),
};
/* blkSize = 1024 bits. hashSize = 1024 bits */
-const u64 SKEIN1024_IV_1024[] = {
+const u64 SKEIN_1024_IV_1024[] = {
MK_64(0xD593DA07, 0x41E72355),
MK_64(0x15B5E511, 0xAC73E00C),
MK_64(0x5180E5AE, 0xBAF2C4F0),
#include <linux/types.h>
#include <skein.h>
-#define KeyScheduleConst 0x1BD11BDAA9FC1A22L
+#define KEY_SCHEDULE_CONST 0x1BD11BDAA9FC1A22L
/**
* Which Threefish size to use
u64 w[SKEIN_256_STATE_WORDS];
} cfg; /* config block */
- Skein_Assert(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
+ skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
ctx->h.hash_bit_len = hash_bit_len; /* output hash bit count */
switch (hash_bit_len) { /* use pre-computed values, where available */
* precomputed)
*/
/* set tweaks: T0=0; T1=CFG | FINAL */
- Skein_Start_New_Type(ctx, CFG_FINAL);
+ skein_start_new_type(ctx, CFG_FINAL);
/* set the schema, version */
- cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
+ cfg.w[0] = skein_swap64(SKEIN_SCHEMA_VER);
/* hash result length in bits */
- cfg.w[1] = Skein_Swap64(hash_bit_len);
- cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
+ cfg.w[1] = skein_swap64(hash_bit_len);
+ cfg.w[2] = skein_swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
/* zero pad config block */
memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0]));
}
/* The chaining vars ctx->X are now initialized for hash_bit_len. */
/* Set up to process the data message portion of the hash (default) */
- Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */
+ skein_start_new_type(ctx, MSG); /* T0=0, T1= MSG type */
return SKEIN_SUCCESS;
}
u64 w[SKEIN_256_STATE_WORDS];
} cfg; /* config block */
- Skein_Assert(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
- Skein_Assert(key_bytes == 0 || key != NULL, SKEIN_FAIL);
+ skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
+ skein_assert_ret(key_bytes == 0 || key != NULL, SKEIN_FAIL);
/* compute the initial chaining values ctx->X[], based on key */
if (key_bytes == 0) { /* is there a key? */
/* no key: use all zeroes as key for config block */
memset(ctx->X, 0, sizeof(ctx->X));
} else { /* here to pre-process a key */
- Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
+ skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
/* do a mini-Init right here */
/* set output hash bit count = state size */
ctx->h.hash_bit_len = 8*sizeof(ctx->X);
/* set tweaks: T0 = 0; T1 = KEY type */
- Skein_Start_New_Type(ctx, KEY);
+ skein_start_new_type(ctx, KEY);
/* zero the initial chaining variables */
memset(ctx->X, 0, sizeof(ctx->X));
/* hash the key */
*/
/* output hash bit count */
ctx->h.hash_bit_len = hash_bit_len;
- Skein_Start_New_Type(ctx, CFG_FINAL);
+ skein_start_new_type(ctx, CFG_FINAL);
/* pre-pad cfg.w[] with zeroes */
memset(&cfg.w, 0, sizeof(cfg.w));
- cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
+ cfg.w[0] = skein_swap64(SKEIN_SCHEMA_VER);
/* hash result length in bits */
- cfg.w[1] = Skein_Swap64(hash_bit_len);
+ cfg.w[1] = skein_swap64(hash_bit_len);
/* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */
- cfg.w[2] = Skein_Swap64(tree_info);
+ cfg.w[2] = skein_swap64(tree_info);
- Skein_Show_Key(256, &ctx->h, key, key_bytes);
+ skein_show_key(256, &ctx->h, key, key_bytes);
/* compute the initial chaining values from config block */
skein_256_process_block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
/* The chaining vars ctx->X are now initialized */
/* Set up to process the data message portion of the hash (default) */
- Skein_Start_New_Type(ctx, MSG);
+ skein_start_new_type(ctx, MSG);
return SKEIN_SUCCESS;
}
size_t n;
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
/* process full blocks, if any */
if (msg_byte_cnt + ctx->h.b_cnt > SKEIN_256_BLOCK_BYTES) {
n = SKEIN_256_BLOCK_BYTES - ctx->h.b_cnt;
if (n) {
/* check on our logic here */
- Skein_assert(n < msg_byte_cnt);
+ skein_assert(n < msg_byte_cnt);
memcpy(&ctx->b[ctx->h.b_cnt], msg, n);
msg_byte_cnt -= n;
msg += n;
ctx->h.b_cnt += n;
}
- Skein_assert(ctx->h.b_cnt == SKEIN_256_BLOCK_BYTES);
+ skein_assert(ctx->h.b_cnt == SKEIN_256_BLOCK_BYTES);
skein_256_process_block(ctx, ctx->b, 1,
SKEIN_256_BLOCK_BYTES);
ctx->h.b_cnt = 0;
msg_byte_cnt -= n * SKEIN_256_BLOCK_BYTES;
msg += n * SKEIN_256_BLOCK_BYTES;
}
- Skein_assert(ctx->h.b_cnt == 0);
+ skein_assert(ctx->h.b_cnt == 0);
}
/* copy any remaining source message data bytes into b[] */
if (msg_byte_cnt) {
- Skein_assert(msg_byte_cnt + ctx->h.b_cnt <=
+ skein_assert(msg_byte_cnt + ctx->h.b_cnt <=
SKEIN_256_BLOCK_BYTES);
memcpy(&ctx->b[ctx->h.b_cnt], msg, msg_byte_cnt);
ctx->h.b_cnt += msg_byte_cnt;
size_t i, n, byte_cnt;
u64 X[SKEIN_256_STATE_WORDS];
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
/* tag as the final block */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL;
memcpy(X, ctx->X, sizeof(X));
for (i = 0; i*SKEIN_256_BLOCK_BYTES < byte_cnt; i++) {
/* build the counter block */
- ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i);
- Skein_Start_New_Type(ctx, OUT_FINAL);
+ ((u64 *)ctx->b)[0] = skein_swap64((u64) i);
+ skein_start_new_type(ctx, OUT_FINAL);
/* run "counter mode" */
skein_256_process_block(ctx, ctx->b, 1, sizeof(u64));
/* number of output bytes left to go */
if (n >= SKEIN_256_BLOCK_BYTES)
n = SKEIN_256_BLOCK_BYTES;
/* "output" the ctr mode bytes */
- Skein_Put64_LSB_First(hash_val+i*SKEIN_256_BLOCK_BYTES, ctx->X,
+ skein_put64_lsb_first(hash_val+i*SKEIN_256_BLOCK_BYTES, ctx->X,
n);
- Skein_Show_Final(256, &ctx->h, n,
+ skein_show_final(256, &ctx->h, n,
hash_val+i*SKEIN_256_BLOCK_BYTES);
/* restore the counter mode key for next time */
memcpy(ctx->X, X, sizeof(X));
u64 w[SKEIN_512_STATE_WORDS];
} cfg; /* config block */
- Skein_Assert(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
+ skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
ctx->h.hash_bit_len = hash_bit_len; /* output hash bit count */
switch (hash_bit_len) { /* use pre-computed values, where available */
* precomputed)
*/
/* set tweaks: T0=0; T1=CFG | FINAL */
- Skein_Start_New_Type(ctx, CFG_FINAL);
+ skein_start_new_type(ctx, CFG_FINAL);
/* set the schema, version */
- cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
+ cfg.w[0] = skein_swap64(SKEIN_SCHEMA_VER);
/* hash result length in bits */
- cfg.w[1] = Skein_Swap64(hash_bit_len);
- cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
+ cfg.w[1] = skein_swap64(hash_bit_len);
+ cfg.w[2] = skein_swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
/* zero pad config block */
memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0]));
* hash_bit_len.
*/
/* Set up to process the data message portion of the hash (default) */
- Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */
+ skein_start_new_type(ctx, MSG); /* T0=0, T1= MSG type */
return SKEIN_SUCCESS;
}
u64 w[SKEIN_512_STATE_WORDS];
} cfg; /* config block */
- Skein_Assert(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
- Skein_Assert(key_bytes == 0 || key != NULL, SKEIN_FAIL);
+ skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
+ skein_assert_ret(key_bytes == 0 || key != NULL, SKEIN_FAIL);
/* compute the initial chaining values ctx->X[], based on key */
if (key_bytes == 0) { /* is there a key? */
/* no key: use all zeroes as key for config block */
memset(ctx->X, 0, sizeof(ctx->X));
} else { /* here to pre-process a key */
- Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
+ skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
/* do a mini-Init right here */
/* set output hash bit count = state size */
ctx->h.hash_bit_len = 8*sizeof(ctx->X);
/* set tweaks: T0 = 0; T1 = KEY type */
- Skein_Start_New_Type(ctx, KEY);
+ skein_start_new_type(ctx, KEY);
/* zero the initial chaining variables */
memset(ctx->X, 0, sizeof(ctx->X));
/* hash the key */
* precomputed for each key)
*/
ctx->h.hash_bit_len = hash_bit_len; /* output hash bit count */
- Skein_Start_New_Type(ctx, CFG_FINAL);
+ skein_start_new_type(ctx, CFG_FINAL);
/* pre-pad cfg.w[] with zeroes */
memset(&cfg.w, 0, sizeof(cfg.w));
- cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
+ cfg.w[0] = skein_swap64(SKEIN_SCHEMA_VER);
/* hash result length in bits */
- cfg.w[1] = Skein_Swap64(hash_bit_len);
+ cfg.w[1] = skein_swap64(hash_bit_len);
/* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */
- cfg.w[2] = Skein_Swap64(tree_info);
+ cfg.w[2] = skein_swap64(tree_info);
- Skein_Show_Key(512, &ctx->h, key, key_bytes);
+ skein_show_key(512, &ctx->h, key, key_bytes);
/* compute the initial chaining values from config block */
skein_512_process_block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
/* The chaining vars ctx->X are now initialized */
/* Set up to process the data message portion of the hash (default) */
- Skein_Start_New_Type(ctx, MSG);
+ skein_start_new_type(ctx, MSG);
return SKEIN_SUCCESS;
}
size_t n;
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
/* process full blocks, if any */
if (msg_byte_cnt + ctx->h.b_cnt > SKEIN_512_BLOCK_BYTES) {
n = SKEIN_512_BLOCK_BYTES - ctx->h.b_cnt;
if (n) {
/* check on our logic here */
- Skein_assert(n < msg_byte_cnt);
+ skein_assert(n < msg_byte_cnt);
memcpy(&ctx->b[ctx->h.b_cnt], msg, n);
msg_byte_cnt -= n;
msg += n;
ctx->h.b_cnt += n;
}
- Skein_assert(ctx->h.b_cnt == SKEIN_512_BLOCK_BYTES);
+ skein_assert(ctx->h.b_cnt == SKEIN_512_BLOCK_BYTES);
skein_512_process_block(ctx, ctx->b, 1,
SKEIN_512_BLOCK_BYTES);
ctx->h.b_cnt = 0;
msg_byte_cnt -= n * SKEIN_512_BLOCK_BYTES;
msg += n * SKEIN_512_BLOCK_BYTES;
}
- Skein_assert(ctx->h.b_cnt == 0);
+ skein_assert(ctx->h.b_cnt == 0);
}
/* copy any remaining source message data bytes into b[] */
if (msg_byte_cnt) {
- Skein_assert(msg_byte_cnt + ctx->h.b_cnt <=
+ skein_assert(msg_byte_cnt + ctx->h.b_cnt <=
SKEIN_512_BLOCK_BYTES);
memcpy(&ctx->b[ctx->h.b_cnt], msg, msg_byte_cnt);
ctx->h.b_cnt += msg_byte_cnt;
size_t i, n, byte_cnt;
u64 X[SKEIN_512_STATE_WORDS];
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
/* tag as the final block */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL;
memcpy(X, ctx->X, sizeof(X));
for (i = 0; i*SKEIN_512_BLOCK_BYTES < byte_cnt; i++) {
/* build the counter block */
- ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i);
- Skein_Start_New_Type(ctx, OUT_FINAL);
+ ((u64 *)ctx->b)[0] = skein_swap64((u64) i);
+ skein_start_new_type(ctx, OUT_FINAL);
/* run "counter mode" */
skein_512_process_block(ctx, ctx->b, 1, sizeof(u64));
/* number of output bytes left to go */
if (n >= SKEIN_512_BLOCK_BYTES)
n = SKEIN_512_BLOCK_BYTES;
/* "output" the ctr mode bytes */
- Skein_Put64_LSB_First(hash_val+i*SKEIN_512_BLOCK_BYTES, ctx->X,
+ skein_put64_lsb_first(hash_val+i*SKEIN_512_BLOCK_BYTES, ctx->X,
n);
- Skein_Show_Final(512, &ctx->h, n,
+ skein_show_final(512, &ctx->h, n,
hash_val+i*SKEIN_512_BLOCK_BYTES);
/* restore the counter mode key for next time */
memcpy(ctx->X, X, sizeof(X));
int skein_1024_init(struct skein_1024_ctx *ctx, size_t hash_bit_len)
{
union {
- u8 b[SKEIN1024_STATE_BYTES];
- u64 w[SKEIN1024_STATE_WORDS];
+ u8 b[SKEIN_1024_STATE_BYTES];
+ u64 w[SKEIN_1024_STATE_WORDS];
} cfg; /* config block */
- Skein_Assert(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
+ skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
ctx->h.hash_bit_len = hash_bit_len; /* output hash bit count */
switch (hash_bit_len) { /* use pre-computed values, where available */
case 512:
- memcpy(ctx->X, SKEIN1024_IV_512, sizeof(ctx->X));
+ memcpy(ctx->X, SKEIN_1024_IV_512, sizeof(ctx->X));
break;
case 384:
- memcpy(ctx->X, SKEIN1024_IV_384, sizeof(ctx->X));
+ memcpy(ctx->X, SKEIN_1024_IV_384, sizeof(ctx->X));
break;
case 1024:
- memcpy(ctx->X, SKEIN1024_IV_1024, sizeof(ctx->X));
+ memcpy(ctx->X, SKEIN_1024_IV_1024, sizeof(ctx->X));
break;
default:
/* here if there is no precomputed IV value available */
* (could be precomputed)
*/
/* set tweaks: T0=0; T1=CFG | FINAL */
- Skein_Start_New_Type(ctx, CFG_FINAL);
+ skein_start_new_type(ctx, CFG_FINAL);
/* set the schema, version */
- cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
+ cfg.w[0] = skein_swap64(SKEIN_SCHEMA_VER);
/* hash result length in bits */
- cfg.w[1] = Skein_Swap64(hash_bit_len);
- cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
+ cfg.w[1] = skein_swap64(hash_bit_len);
+ cfg.w[2] = skein_swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
/* zero pad config block */
memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0]));
/* The chaining vars ctx->X are now initialized for the hash_bit_len. */
/* Set up to process the data message portion of the hash (default) */
- Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */
+ skein_start_new_type(ctx, MSG); /* T0=0, T1= MSG type */
return SKEIN_SUCCESS;
}
u64 tree_info, const u8 *key, size_t key_bytes)
{
union {
- u8 b[SKEIN1024_STATE_BYTES];
- u64 w[SKEIN1024_STATE_WORDS];
+ u8 b[SKEIN_1024_STATE_BYTES];
+ u64 w[SKEIN_1024_STATE_WORDS];
} cfg; /* config block */
- Skein_Assert(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
- Skein_Assert(key_bytes == 0 || key != NULL, SKEIN_FAIL);
+ skein_assert_ret(hash_bit_len > 0, SKEIN_BAD_HASHLEN);
+ skein_assert_ret(key_bytes == 0 || key != NULL, SKEIN_FAIL);
/* compute the initial chaining values ctx->X[], based on key */
if (key_bytes == 0) { /* is there a key? */
/* no key: use all zeroes as key for config block */
memset(ctx->X, 0, sizeof(ctx->X));
} else { /* here to pre-process a key */
- Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
+ skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
/* do a mini-Init right here */
/* set output hash bit count = state size */
ctx->h.hash_bit_len = 8*sizeof(ctx->X);
/* set tweaks: T0 = 0; T1 = KEY type */
- Skein_Start_New_Type(ctx, KEY);
+ skein_start_new_type(ctx, KEY);
/* zero the initial chaining variables */
memset(ctx->X, 0, sizeof(ctx->X));
/* hash the key */
*/
/* output hash bit count */
ctx->h.hash_bit_len = hash_bit_len;
- Skein_Start_New_Type(ctx, CFG_FINAL);
+ skein_start_new_type(ctx, CFG_FINAL);
/* pre-pad cfg.w[] with zeroes */
memset(&cfg.w, 0, sizeof(cfg.w));
- cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
+ cfg.w[0] = skein_swap64(SKEIN_SCHEMA_VER);
/* hash result length in bits */
- cfg.w[1] = Skein_Swap64(hash_bit_len);
+ cfg.w[1] = skein_swap64(hash_bit_len);
/* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */
- cfg.w[2] = Skein_Swap64(tree_info);
+ cfg.w[2] = skein_swap64(tree_info);
- Skein_Show_Key(1024, &ctx->h, key, key_bytes);
+ skein_show_key(1024, &ctx->h, key, key_bytes);
/* compute the initial chaining values from config block */
skein_1024_process_block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
/* The chaining vars ctx->X are now initialized */
/* Set up to process the data message portion of the hash (default) */
- Skein_Start_New_Type(ctx, MSG);
+ skein_start_new_type(ctx, MSG);
return SKEIN_SUCCESS;
}
size_t n;
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_1024_BLOCK_BYTES, SKEIN_FAIL);
/* process full blocks, if any */
- if (msg_byte_cnt + ctx->h.b_cnt > SKEIN1024_BLOCK_BYTES) {
+ if (msg_byte_cnt + ctx->h.b_cnt > SKEIN_1024_BLOCK_BYTES) {
/* finish up any buffered message data */
if (ctx->h.b_cnt) {
/* # bytes free in buffer b[] */
- n = SKEIN1024_BLOCK_BYTES - ctx->h.b_cnt;
+ n = SKEIN_1024_BLOCK_BYTES - ctx->h.b_cnt;
if (n) {
/* check on our logic here */
- Skein_assert(n < msg_byte_cnt);
+ skein_assert(n < msg_byte_cnt);
memcpy(&ctx->b[ctx->h.b_cnt], msg, n);
msg_byte_cnt -= n;
msg += n;
ctx->h.b_cnt += n;
}
- Skein_assert(ctx->h.b_cnt == SKEIN1024_BLOCK_BYTES);
+ skein_assert(ctx->h.b_cnt == SKEIN_1024_BLOCK_BYTES);
skein_1024_process_block(ctx, ctx->b, 1,
- SKEIN1024_BLOCK_BYTES);
+ SKEIN_1024_BLOCK_BYTES);
ctx->h.b_cnt = 0;
}
/*
* now process any remaining full blocks, directly from input
* message data
*/
- if (msg_byte_cnt > SKEIN1024_BLOCK_BYTES) {
+ if (msg_byte_cnt > SKEIN_1024_BLOCK_BYTES) {
/* number of full blocks to process */
- n = (msg_byte_cnt-1) / SKEIN1024_BLOCK_BYTES;
+ n = (msg_byte_cnt-1) / SKEIN_1024_BLOCK_BYTES;
skein_1024_process_block(ctx, msg, n,
- SKEIN1024_BLOCK_BYTES);
- msg_byte_cnt -= n * SKEIN1024_BLOCK_BYTES;
- msg += n * SKEIN1024_BLOCK_BYTES;
+ SKEIN_1024_BLOCK_BYTES);
+ msg_byte_cnt -= n * SKEIN_1024_BLOCK_BYTES;
+ msg += n * SKEIN_1024_BLOCK_BYTES;
}
- Skein_assert(ctx->h.b_cnt == 0);
+ skein_assert(ctx->h.b_cnt == 0);
}
/* copy any remaining source message data bytes into b[] */
if (msg_byte_cnt) {
- Skein_assert(msg_byte_cnt + ctx->h.b_cnt <=
- SKEIN1024_BLOCK_BYTES);
+ skein_assert(msg_byte_cnt + ctx->h.b_cnt <=
+ SKEIN_1024_BLOCK_BYTES);
memcpy(&ctx->b[ctx->h.b_cnt], msg, msg_byte_cnt);
ctx->h.b_cnt += msg_byte_cnt;
}
int skein_1024_final(struct skein_1024_ctx *ctx, u8 *hash_val)
{
size_t i, n, byte_cnt;
- u64 X[SKEIN1024_STATE_WORDS];
+ u64 X[SKEIN_1024_STATE_WORDS];
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_1024_BLOCK_BYTES, SKEIN_FAIL);
/* tag as the final block */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL;
/* zero pad b[] if necessary */
- if (ctx->h.b_cnt < SKEIN1024_BLOCK_BYTES)
+ if (ctx->h.b_cnt < SKEIN_1024_BLOCK_BYTES)
memset(&ctx->b[ctx->h.b_cnt], 0,
- SKEIN1024_BLOCK_BYTES - ctx->h.b_cnt);
+ SKEIN_1024_BLOCK_BYTES - ctx->h.b_cnt);
/* process the final block */
skein_1024_process_block(ctx, ctx->b, 1, ctx->h.b_cnt);
memset(ctx->b, 0, sizeof(ctx->b));
/* keep a local copy of counter mode "key" */
memcpy(X, ctx->X, sizeof(X));
- for (i = 0; i*SKEIN1024_BLOCK_BYTES < byte_cnt; i++) {
+ for (i = 0; i*SKEIN_1024_BLOCK_BYTES < byte_cnt; i++) {
/* build the counter block */
- ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i);
- Skein_Start_New_Type(ctx, OUT_FINAL);
+ ((u64 *)ctx->b)[0] = skein_swap64((u64) i);
+ skein_start_new_type(ctx, OUT_FINAL);
/* run "counter mode" */
skein_1024_process_block(ctx, ctx->b, 1, sizeof(u64));
/* number of output bytes left to go */
- n = byte_cnt - i*SKEIN1024_BLOCK_BYTES;
- if (n >= SKEIN1024_BLOCK_BYTES)
- n = SKEIN1024_BLOCK_BYTES;
+ n = byte_cnt - i*SKEIN_1024_BLOCK_BYTES;
+ if (n >= SKEIN_1024_BLOCK_BYTES)
+ n = SKEIN_1024_BLOCK_BYTES;
/* "output" the ctr mode bytes */
- Skein_Put64_LSB_First(hash_val+i*SKEIN1024_BLOCK_BYTES, ctx->X,
+ skein_put64_lsb_first(hash_val+i*SKEIN_1024_BLOCK_BYTES, ctx->X,
n);
- Skein_Show_Final(1024, &ctx->h, n,
- hash_val+i*SKEIN1024_BLOCK_BYTES);
+ skein_show_final(1024, &ctx->h, n,
+ hash_val+i*SKEIN_1024_BLOCK_BYTES);
/* restore the counter mode key for next time */
memcpy(ctx->X, X, sizeof(X));
}
int skein_256_final_pad(struct skein_256_ctx *ctx, u8 *hash_val)
{
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
/* tag as the final block */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL;
skein_256_process_block(ctx, ctx->b, 1, ctx->h.b_cnt);
/* "output" the state bytes */
- Skein_Put64_LSB_First(hash_val, ctx->X, SKEIN_256_BLOCK_BYTES);
+ skein_put64_lsb_first(hash_val, ctx->X, SKEIN_256_BLOCK_BYTES);
return SKEIN_SUCCESS;
}
int skein_512_final_pad(struct skein_512_ctx *ctx, u8 *hash_val)
{
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
/* tag as the final block */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL;
skein_512_process_block(ctx, ctx->b, 1, ctx->h.b_cnt);
/* "output" the state bytes */
- Skein_Put64_LSB_First(hash_val, ctx->X, SKEIN_512_BLOCK_BYTES);
+ skein_put64_lsb_first(hash_val, ctx->X, SKEIN_512_BLOCK_BYTES);
return SKEIN_SUCCESS;
}
int skein_1024_final_pad(struct skein_1024_ctx *ctx, u8 *hash_val)
{
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_1024_BLOCK_BYTES, SKEIN_FAIL);
/* tag as the final block */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL;
/* zero pad b[] if necessary */
- if (ctx->h.b_cnt < SKEIN1024_BLOCK_BYTES)
+ if (ctx->h.b_cnt < SKEIN_1024_BLOCK_BYTES)
memset(&ctx->b[ctx->h.b_cnt], 0,
- SKEIN1024_BLOCK_BYTES - ctx->h.b_cnt);
+ SKEIN_1024_BLOCK_BYTES - ctx->h.b_cnt);
/* process the final block */
skein_1024_process_block(ctx, ctx->b, 1, ctx->h.b_cnt);
/* "output" the state bytes */
- Skein_Put64_LSB_First(hash_val, ctx->X, SKEIN1024_BLOCK_BYTES);
+ skein_put64_lsb_first(hash_val, ctx->X, SKEIN_1024_BLOCK_BYTES);
return SKEIN_SUCCESS;
}
size_t i, n, byte_cnt;
u64 X[SKEIN_256_STATE_WORDS];
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL);
/* now output the result */
/* total number of output bytes */
memcpy(X, ctx->X, sizeof(X));
for (i = 0; i*SKEIN_256_BLOCK_BYTES < byte_cnt; i++) {
/* build the counter block */
- ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i);
- Skein_Start_New_Type(ctx, OUT_FINAL);
+ ((u64 *)ctx->b)[0] = skein_swap64((u64) i);
+ skein_start_new_type(ctx, OUT_FINAL);
/* run "counter mode" */
skein_256_process_block(ctx, ctx->b, 1, sizeof(u64));
/* number of output bytes left to go */
if (n >= SKEIN_256_BLOCK_BYTES)
n = SKEIN_256_BLOCK_BYTES;
/* "output" the ctr mode bytes */
- Skein_Put64_LSB_First(hash_val+i*SKEIN_256_BLOCK_BYTES, ctx->X,
+ skein_put64_lsb_first(hash_val+i*SKEIN_256_BLOCK_BYTES, ctx->X,
n);
- Skein_Show_Final(256, &ctx->h, n,
+ skein_show_final(256, &ctx->h, n,
hash_val+i*SKEIN_256_BLOCK_BYTES);
/* restore the counter mode key for next time */
memcpy(ctx->X, X, sizeof(X));
size_t i, n, byte_cnt;
u64 X[SKEIN_512_STATE_WORDS];
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL);
/* now output the result */
/* total number of output bytes */
memcpy(X, ctx->X, sizeof(X));
for (i = 0; i*SKEIN_512_BLOCK_BYTES < byte_cnt; i++) {
/* build the counter block */
- ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i);
- Skein_Start_New_Type(ctx, OUT_FINAL);
+ ((u64 *)ctx->b)[0] = skein_swap64((u64) i);
+ skein_start_new_type(ctx, OUT_FINAL);
/* run "counter mode" */
skein_512_process_block(ctx, ctx->b, 1, sizeof(u64));
/* number of output bytes left to go */
if (n >= SKEIN_512_BLOCK_BYTES)
n = SKEIN_512_BLOCK_BYTES;
/* "output" the ctr mode bytes */
- Skein_Put64_LSB_First(hash_val+i*SKEIN_512_BLOCK_BYTES, ctx->X,
+ skein_put64_lsb_first(hash_val+i*SKEIN_512_BLOCK_BYTES, ctx->X,
n);
- Skein_Show_Final(256, &ctx->h, n,
+ skein_show_final(256, &ctx->h, n,
hash_val+i*SKEIN_512_BLOCK_BYTES);
/* restore the counter mode key for next time */
memcpy(ctx->X, X, sizeof(X));
int skein_1024_output(struct skein_1024_ctx *ctx, u8 *hash_val)
{
size_t i, n, byte_cnt;
- u64 X[SKEIN1024_STATE_WORDS];
+ u64 X[SKEIN_1024_STATE_WORDS];
/* catch uninitialized context */
- Skein_Assert(ctx->h.b_cnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL);
+ skein_assert_ret(ctx->h.b_cnt <= SKEIN_1024_BLOCK_BYTES, SKEIN_FAIL);
/* now output the result */
/* total number of output bytes */
memset(ctx->b, 0, sizeof(ctx->b));
/* keep a local copy of counter mode "key" */
memcpy(X, ctx->X, sizeof(X));
- for (i = 0; i*SKEIN1024_BLOCK_BYTES < byte_cnt; i++) {
+ for (i = 0; i*SKEIN_1024_BLOCK_BYTES < byte_cnt; i++) {
/* build the counter block */
- ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i);
- Skein_Start_New_Type(ctx, OUT_FINAL);
+ ((u64 *)ctx->b)[0] = skein_swap64((u64) i);
+ skein_start_new_type(ctx, OUT_FINAL);
/* run "counter mode" */
skein_1024_process_block(ctx, ctx->b, 1, sizeof(u64));
/* number of output bytes left to go */
- n = byte_cnt - i*SKEIN1024_BLOCK_BYTES;
- if (n >= SKEIN1024_BLOCK_BYTES)
- n = SKEIN1024_BLOCK_BYTES;
+ n = byte_cnt - i*SKEIN_1024_BLOCK_BYTES;
+ if (n >= SKEIN_1024_BLOCK_BYTES)
+ n = SKEIN_1024_BLOCK_BYTES;
/* "output" the ctr mode bytes */
- Skein_Put64_LSB_First(hash_val+i*SKEIN1024_BLOCK_BYTES, ctx->X,
+ skein_put64_lsb_first(hash_val+i*SKEIN_1024_BLOCK_BYTES, ctx->X,
n);
- Skein_Show_Final(256, &ctx->h, n,
- hash_val+i*SKEIN1024_BLOCK_BYTES);
+ skein_show_final(256, &ctx->h, n,
+ hash_val+i*SKEIN_1024_BLOCK_BYTES);
/* restore the counter mode key for next time */
memcpy(ctx->X, X, sizeof(X));
}
int skein_ctx_prepare(struct skein_ctx *ctx, enum skein_size size)
{
- Skein_Assert(ctx && size, SKEIN_FAIL);
+ skein_assert_ret(ctx && size, SKEIN_FAIL);
memset(ctx , 0, sizeof(struct skein_ctx));
ctx->skein_size = size;
u64 *X = NULL;
u64 tree_info = SKEIN_CFG_TREE_INFO_SEQUENTIAL;
- Skein_Assert(ctx, SKEIN_FAIL);
+ skein_assert_ret(ctx, SKEIN_FAIL);
/*
* The following two lines rely of the fact that the real Skein
* contexts are a union in out context and thus have tha maximum
size_t X_len = 0;
u64 tree_info = SKEIN_CFG_TREE_INFO_SEQUENTIAL;
- Skein_Assert(ctx, SKEIN_FAIL);
+ skein_assert_ret(ctx, SKEIN_FAIL);
X = ctx->m.s256.X;
X_len = ctx->skein_size/8;
- Skein_Assert(hash_bit_len, SKEIN_BAD_HASHLEN);
+ skein_assert_ret(hash_bit_len, SKEIN_BAD_HASHLEN);
switch (ctx->skein_size) {
case SKEIN_256:
memcpy(X, ctx->X_save, X_len);
/* Setup context to process the message */
- Skein_Start_New_Type(&ctx->m, MSG);
+ skein_start_new_type(&ctx->m, MSG);
}
int skein_update(struct skein_ctx *ctx, const u8 *msg,
{
int ret = SKEIN_FAIL;
- Skein_Assert(ctx, SKEIN_FAIL);
+ skein_assert_ret(ctx, SKEIN_FAIL);
switch (ctx->skein_size) {
case SKEIN_256:
* only the final Update() call is allowed do partial bytes, else
* assert an error
*/
- Skein_Assert((ctx->m.h.T[1] & SKEIN_T1_FLAG_BIT_PAD) == 0 ||
- msg_bit_cnt == 0, SKEIN_FAIL);
+ skein_assert_ret((ctx->m.h.T[1] & SKEIN_T1_FLAG_BIT_PAD) == 0 ||
+ msg_bit_cnt == 0, SKEIN_FAIL);
/* if number of bits is a multiple of bytes - that's easy */
if ((msg_bit_cnt & 0x7) == 0)
up = (u8 *)ctx->m.s256.X + ctx->skein_size / 8;
/* set tweak flag for the skein_final call */
- Skein_Set_Bit_Pad_Flag(ctx->m.h);
+ skein_set_bit_pad_flag(ctx->m.h);
/* now "pad" the final partial byte the way NIST likes */
/* get the b_cnt value (same location for all block sizes) */
length = ctx->m.h.b_cnt;
/* internal sanity check: there IS a partial byte in the buffer! */
- Skein_assert(length != 0);
+ skein_assert(length != 0);
/* partial byte bit mask */
mask = (u8) (1u << (7 - (msg_bit_cnt & 7)));
/* apply bit padding on final byte (in the buffer) */
{
int ret = SKEIN_FAIL;
- Skein_Assert(ctx, SKEIN_FAIL);
+ skein_assert_ret(ctx, SKEIN_FAIL);
switch (ctx->skein_size) {
case SKEIN_256:
struct threefish_key key;
u64 tweak[2];
int i;
- u64 w[SKEIN_256_STATE_WORDS]; /* local copy of input block */
+ u64 w[SKEIN_256_STATE_WORDS]; /* local copy of input block */
u64 words[3];
- Skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
+ skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
threefish_set_key(&key, THREEFISH_256, ctx->X, tweak);
/* get input block in little-endian format */
- Skein_Get64_LSB_First(w, blk_ptr, SKEIN_256_STATE_WORDS);
+ skein_get64_lsb_first(w, blk_ptr, SKEIN_256_STATE_WORDS);
threefish_encrypt_block_words(&key, w, ctx->X);
u64 tweak[2];
int i;
u64 words[3];
- u64 w[SKEIN_512_STATE_WORDS]; /* local copy of input block */
+ u64 w[SKEIN_512_STATE_WORDS]; /* local copy of input block */
- Skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
+ skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
threefish_set_key(&key, THREEFISH_512, ctx->X, tweak);
/* get input block in little-endian format */
- Skein_Get64_LSB_First(w, blk_ptr, SKEIN_512_STATE_WORDS);
+ skein_get64_lsb_first(w, blk_ptr, SKEIN_512_STATE_WORDS);
threefish_encrypt_block_words(&key, w, ctx->X);
u64 tweak[2];
int i;
u64 words[3];
- u64 w[SKEIN1024_STATE_WORDS]; /* local copy of input block */
+ u64 w[SKEIN_1024_STATE_WORDS]; /* local copy of input block */
- Skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
+ skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
threefish_set_key(&key, THREEFISH_1024, ctx->X, tweak);
/* get input block in little-endian format */
- Skein_Get64_LSB_First(w, blk_ptr, SKEIN1024_STATE_WORDS);
+ skein_get64_lsb_first(w, blk_ptr, SKEIN_1024_STATE_WORDS);
threefish_encrypt_block_words(&key, w, ctx->X);
- blk_ptr += SKEIN1024_BLOCK_BYTES;
+ blk_ptr += SKEIN_1024_BLOCK_BYTES;
/* do the final "feedforward" xor, update ctx chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0];
#define ts (kw + KW_TWK_BASE)
#ifdef SKEIN_DEBUG
-#define DebugSaveTweak(ctx) { ctx->h.T[0] = ts[0]; ctx->h.T[1] = ts[1]; }
+#define debug_save_tweak(ctx) { ctx->h.T[0] = ts[0]; ctx->h.T[1] = ts[1]; }
#else
-#define DebugSaveTweak(ctx)
+#define debug_save_tweak(ctx)
#endif
/***************************** SKEIN_256 ******************************/
X_ptr[0] = &X0; X_ptr[1] = &X1; X_ptr[2] = &X2; X_ptr[3] = &X3;
#endif
- Skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
+ skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
ts[0] = ctx->h.T[0];
ts[1] = ctx->h.T[1];
do {
ts[2] = ts[0] ^ ts[1];
/* get input block in little-endian format */
- Skein_Get64_LSB_First(w, blk_ptr, WCNT);
- DebugSaveTweak(ctx);
- Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blk_ptr, w, ks, ts);
+ skein_get64_lsb_first(w, blk_ptr, WCNT);
+ debug_save_tweak(ctx);
+ skein_show_block(BLK_BITS, &ctx->h, ctx->X, blk_ptr, w, ks, ts);
X0 = w[0] + ks[0]; /* do the first full key injection */
X1 = w[1] + ks[1] + ts[0];
X3 = w[3] + ks[3];
/* show starting state values */
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
X_ptr);
blk_ptr += SKEIN_256_BLOCK_BYTES;
/* run the rounds */
-#define Round256(p0, p1, p2, p3, ROT, r_num) \
+#define ROUND256(p0, p1, p2, p3, ROT, r_num) \
do { \
- X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
- X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
+ X##p0 += X##p1; X##p1 = rotl_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
+ X##p2 += X##p3; X##p3 = rotl_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
} while (0)
#if SKEIN_UNROLL_256 == 0
#define R256(p0, p1, p2, p3, ROT, r_num) /* fully unrolled */ \
do { \
- Round256(p0, p1, p2, p3, ROT, r_num); \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
+ ROUND256(p0, p1, p2, p3, ROT, r_num); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
} while (0)
#define I256(R) \
X1 += ks[((R)+2) % 5] + ts[((R)+1) % 3]; \
X2 += ks[((R)+3) % 5] + ts[((R)+2) % 3]; \
X3 += ks[((R)+4) % 5] + (R)+1; \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
} while (0)
#else /* looping version */
#define R256(p0, p1, p2, p3, ROT, r_num) \
do { \
- Round256(p0, p1, p2, p3, ROT, r_num); \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + r_num, X_ptr); \
+ ROUND256(p0, p1, p2, p3, ROT, r_num); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + r_num, X_ptr); \
} while (0)
#define I256(R) \
/* rotate key schedule */ \
ks[r + (R) + 4] = ks[r + (R) - 1]; \
ts[r + (R) + 2] = ts[r + (R) - 1]; \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
} while (0)
for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_256)
#endif
{
-#define R256_8_rounds(R) \
+#define R256_8_ROUNDS(R) \
do { \
R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \
R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \
I256(2 * (R) + 1); \
} while (0)
- R256_8_rounds(0);
+ R256_8_ROUNDS(0);
-#define R256_Unroll_R(NN) \
+#define R256_UNROLL_R(NN) \
((SKEIN_UNROLL_256 == 0 && \
SKEIN_256_ROUNDS_TOTAL/8 > (NN)) || \
(SKEIN_UNROLL_256 > (NN)))
- #if R256_Unroll_R(1)
- R256_8_rounds(1);
+ #if R256_UNROLL_R(1)
+ R256_8_ROUNDS(1);
#endif
- #if R256_Unroll_R(2)
- R256_8_rounds(2);
+ #if R256_UNROLL_R(2)
+ R256_8_ROUNDS(2);
#endif
- #if R256_Unroll_R(3)
- R256_8_rounds(3);
+ #if R256_UNROLL_R(3)
+ R256_8_ROUNDS(3);
#endif
- #if R256_Unroll_R(4)
- R256_8_rounds(4);
+ #if R256_UNROLL_R(4)
+ R256_8_ROUNDS(4);
#endif
- #if R256_Unroll_R(5)
- R256_8_rounds(5);
+ #if R256_UNROLL_R(5)
+ R256_8_ROUNDS(5);
#endif
- #if R256_Unroll_R(6)
- R256_8_rounds(6);
+ #if R256_UNROLL_R(6)
+ R256_8_ROUNDS(6);
#endif
- #if R256_Unroll_R(7)
- R256_8_rounds(7);
+ #if R256_UNROLL_R(7)
+ R256_8_ROUNDS(7);
#endif
- #if R256_Unroll_R(8)
- R256_8_rounds(8);
+ #if R256_UNROLL_R(8)
+ R256_8_ROUNDS(8);
#endif
- #if R256_Unroll_R(9)
- R256_8_rounds(9);
+ #if R256_UNROLL_R(9)
+ R256_8_ROUNDS(9);
#endif
- #if R256_Unroll_R(10)
- R256_8_rounds(10);
+ #if R256_UNROLL_R(10)
+ R256_8_ROUNDS(10);
#endif
- #if R256_Unroll_R(11)
- R256_8_rounds(11);
+ #if R256_UNROLL_R(11)
+ R256_8_ROUNDS(11);
#endif
- #if R256_Unroll_R(12)
- R256_8_rounds(12);
+ #if R256_UNROLL_R(12)
+ R256_8_ROUNDS(12);
#endif
- #if R256_Unroll_R(13)
- R256_8_rounds(13);
+ #if R256_UNROLL_R(13)
+ R256_8_ROUNDS(13);
#endif
- #if R256_Unroll_R(14)
- R256_8_rounds(14);
+ #if R256_UNROLL_R(14)
+ R256_8_ROUNDS(14);
#endif
#if (SKEIN_UNROLL_256 > 14)
#error "need more unrolling in skein_256_process_block"
ctx->X[2] = X2 ^ w[2];
ctx->X[3] = X3 ^ w[3];
- Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
+ skein_show_round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
ts[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blk_cnt);
X_ptr[4] = &X4; X_ptr[5] = &X5; X_ptr[6] = &X6; X_ptr[7] = &X7;
#endif
- Skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
+ skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
ts[0] = ctx->h.T[0];
ts[1] = ctx->h.T[1];
do {
ts[2] = ts[0] ^ ts[1];
/* get input block in little-endian format */
- Skein_Get64_LSB_First(w, blk_ptr, WCNT);
- DebugSaveTweak(ctx);
- Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blk_ptr, w, ks, ts);
+ skein_get64_lsb_first(w, blk_ptr, WCNT);
+ debug_save_tweak(ctx);
+ skein_show_block(BLK_BITS, &ctx->h, ctx->X, blk_ptr, w, ks, ts);
X0 = w[0] + ks[0]; /* do the first full key injection */
X1 = w[1] + ks[1];
blk_ptr += SKEIN_512_BLOCK_BYTES;
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
X_ptr);
/* run the rounds */
-#define Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
+#define ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
do { \
- X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
- X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
- X##p4 += X##p5; X##p5 = RotL_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
- X##p6 += X##p7; X##p7 = RotL_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
+ X##p0 += X##p1; X##p1 = rotl_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
+ X##p2 += X##p3; X##p3 = rotl_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
+ X##p4 += X##p5; X##p5 = rotl_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
+ X##p6 += X##p7; X##p7 = rotl_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
} while (0)
#if SKEIN_UNROLL_512 == 0
#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) /* unrolled */ \
do { \
- Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
+ ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
} while (0)
#define I512(R) \
X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \
X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \
X7 += ks[((R) + 8) % 9] + (R) + 1; \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
} while (0)
#else /* looping version */
#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
do { \
- Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num); \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + r_num, X_ptr); \
+ ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + r_num, X_ptr); \
} while (0)
#define I512(R) \
/* rotate key schedule */ \
ks[r + (R) + 8] = ks[r + (R) - 1]; \
ts[r + (R) + 2] = ts[r + (R) - 1]; \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
} while (0)
for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_512)
#endif /* end of looped code definitions */
{
-#define R512_8_rounds(R) /* do 8 full rounds */ \
+#define R512_8_ROUNDS(R) /* do 8 full rounds */ \
do { \
R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \
R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \
I512(2 * (R) + 1); /* and key injection */ \
} while (0)
- R512_8_rounds(0);
+ R512_8_ROUNDS(0);
-#define R512_Unroll_R(NN) \
+#define R512_UNROLL_R(NN) \
((SKEIN_UNROLL_512 == 0 && \
SKEIN_512_ROUNDS_TOTAL/8 > (NN)) || \
(SKEIN_UNROLL_512 > (NN)))
- #if R512_Unroll_R(1)
- R512_8_rounds(1);
+ #if R512_UNROLL_R(1)
+ R512_8_ROUNDS(1);
#endif
- #if R512_Unroll_R(2)
- R512_8_rounds(2);
+ #if R512_UNROLL_R(2)
+ R512_8_ROUNDS(2);
#endif
- #if R512_Unroll_R(3)
- R512_8_rounds(3);
+ #if R512_UNROLL_R(3)
+ R512_8_ROUNDS(3);
#endif
- #if R512_Unroll_R(4)
- R512_8_rounds(4);
+ #if R512_UNROLL_R(4)
+ R512_8_ROUNDS(4);
#endif
- #if R512_Unroll_R(5)
- R512_8_rounds(5);
+ #if R512_UNROLL_R(5)
+ R512_8_ROUNDS(5);
#endif
- #if R512_Unroll_R(6)
- R512_8_rounds(6);
+ #if R512_UNROLL_R(6)
+ R512_8_ROUNDS(6);
#endif
- #if R512_Unroll_R(7)
- R512_8_rounds(7);
+ #if R512_UNROLL_R(7)
+ R512_8_ROUNDS(7);
#endif
- #if R512_Unroll_R(8)
- R512_8_rounds(8);
+ #if R512_UNROLL_R(8)
+ R512_8_ROUNDS(8);
#endif
- #if R512_Unroll_R(9)
- R512_8_rounds(9);
+ #if R512_UNROLL_R(9)
+ R512_8_ROUNDS(9);
#endif
- #if R512_Unroll_R(10)
- R512_8_rounds(10);
+ #if R512_UNROLL_R(10)
+ R512_8_ROUNDS(10);
#endif
- #if R512_Unroll_R(11)
- R512_8_rounds(11);
+ #if R512_UNROLL_R(11)
+ R512_8_ROUNDS(11);
#endif
- #if R512_Unroll_R(12)
- R512_8_rounds(12);
+ #if R512_UNROLL_R(12)
+ R512_8_ROUNDS(12);
#endif
- #if R512_Unroll_R(13)
- R512_8_rounds(13);
+ #if R512_UNROLL_R(13)
+ R512_8_ROUNDS(13);
#endif
- #if R512_Unroll_R(14)
- R512_8_rounds(14);
+ #if R512_UNROLL_R(14)
+ R512_8_ROUNDS(14);
#endif
#if (SKEIN_UNROLL_512 > 14)
#error "need more unrolling in skein_512_process_block"
ctx->X[5] = X5 ^ w[5];
ctx->X[6] = X6 ^ w[6];
ctx->X[7] = X7 ^ w[7];
- Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
+ skein_show_round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
ts[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blk_cnt);
size_t blk_cnt, size_t byte_cnt_add)
{ /* do it in C, always looping (unrolled is bigger AND slower!) */
enum {
- WCNT = SKEIN1024_STATE_WORDS
+ WCNT = SKEIN_1024_STATE_WORDS
};
#undef RCNT
-#define RCNT (SKEIN1024_ROUNDS_TOTAL/8)
+#define RCNT (SKEIN_1024_ROUNDS_TOTAL/8)
#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
#define SKEIN_UNROLL_1024 ((SKEIN_LOOP)%10)
X_ptr[15] = &X15;
#endif
- Skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
+ skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
ts[0] = ctx->h.T[0];
ts[1] = ctx->h.T[1];
do {
ts[2] = ts[0] ^ ts[1];
/* get input block in little-endian format */
- Skein_Get64_LSB_First(w, blk_ptr, WCNT);
- DebugSaveTweak(ctx);
- Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blk_ptr, w, ks, ts);
+ skein_get64_lsb_first(w, blk_ptr, WCNT);
+ debug_save_tweak(ctx);
+ skein_show_block(BLK_BITS, &ctx->h, ctx->X, blk_ptr, w, ks, ts);
X00 = w[0] + ks[0]; /* do the first full key injection */
X01 = w[1] + ks[1];
X14 = w[14] + ks[14] + ts[1];
X15 = w[15] + ks[15];
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
X_ptr);
-#define Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
+#define ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
pF, ROT, r_num) \
do { \
- X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
- X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
- X##p4 += X##p5; X##p5 = RotL_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
- X##p6 += X##p7; X##p7 = RotL_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
- X##p8 += X##p9; X##p9 = RotL_64(X##p9, ROT##_4); X##p9 ^= X##p8; \
- X##pA += X##pB; X##pB = RotL_64(X##pB, ROT##_5); X##pB ^= X##pA; \
- X##pC += X##pD; X##pD = RotL_64(X##pD, ROT##_6); X##pD ^= X##pC; \
- X##pE += X##pF; X##pF = RotL_64(X##pF, ROT##_7); X##pF ^= X##pE; \
+ X##p0 += X##p1; X##p1 = rotl_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
+ X##p2 += X##p3; X##p3 = rotl_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
+ X##p4 += X##p5; X##p5 = rotl_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
+ X##p6 += X##p7; X##p7 = rotl_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
+ X##p8 += X##p9; X##p9 = rotl_64(X##p9, ROT##_4); X##p9 ^= X##p8; \
+ X##pA += X##pB; X##pB = rotl_64(X##pB, ROT##_5); X##pB ^= X##pA; \
+ X##pC += X##pD; X##pD = rotl_64(X##pD, ROT##_6); X##pD ^= X##pC; \
+ X##pE += X##pF; X##pF = rotl_64(X##pF, ROT##_7); X##pF ^= X##pE; \
} while (0)
#if SKEIN_UNROLL_1024 == 0
#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
ROT, rn) \
do { \
- Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
- pF, ROT, rn) \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rn, X_ptr); \
+ ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
+ pF, ROT, rn); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, rn, X_ptr); \
} while (0)
#define I1024(R) \
X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \
X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \
X15 += ks[((R) + 16) % 17] + (R) + 1; \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
} while (0)
#else /* looping version */
#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
ROT, rn) \
do { \
- Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
- pF, ROT, rn) \
- Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rn, X_ptr); \
+ ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
+ pF, ROT, rn); \
+ skein_show_r_ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rn, X_ptr); \
} while (0)
#define I1024(R) \
/* rotate key schedule */ \
ks[r + (R) + 16] = ks[r + (R) - 1]; \
ts[r + (R) + 2] = ts[r + (R) - 1]; \
- Skein_Show_R_Ptr(BLK_BITSi, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
+ skein_show_r_ptr(BLK_BITSi, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
} while (0)
for (r = 1; r <= 2 * RCNT; r += 2 * SKEIN_UNROLL_1024)
#endif
{
-#define R1024_8_rounds(R) \
+#define R1024_8_ROUNDS(R) \
do { \
R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, \
R1024_0, 8*(R) + 1); \
I1024(2*(R)+1); \
} while (0)
- R1024_8_rounds(0);
+ R1024_8_ROUNDS(0);
-#define R1024_Unroll_R(NN) \
+#define R1024_UNROLL_R(NN) \
((SKEIN_UNROLL_1024 == 0 && \
- SKEIN1024_ROUNDS_TOTAL/8 > (NN)) || \
+ SKEIN_1024_ROUNDS_TOTAL/8 > (NN)) || \
(SKEIN_UNROLL_1024 > (NN)))
- #if R1024_Unroll_R(1)
- R1024_8_rounds(1);
+ #if R1024_UNROLL_R(1)
+ R1024_8_ROUNDS(1);
#endif
- #if R1024_Unroll_R(2)
- R1024_8_rounds(2);
+ #if R1024_UNROLL_R(2)
+ R1024_8_ROUNDS(2);
#endif
- #if R1024_Unroll_R(3)
- R1024_8_rounds(3);
+ #if R1024_UNROLL_R(3)
+ R1024_8_ROUNDS(3);
#endif
- #if R1024_Unroll_R(4)
- R1024_8_rounds(4);
+ #if R1024_UNROLL_R(4)
+ R1024_8_ROUNDS(4);
#endif
- #if R1024_Unroll_R(5)
- R1024_8_rounds(5);
+ #if R1024_UNROLL_R(5)
+ R1024_8_ROUNDS(5);
#endif
- #if R1024_Unroll_R(6)
- R1024_8_rounds(6);
+ #if R1024_UNROLL_R(6)
+ R1024_8_ROUNDS(6);
#endif
- #if R1024_Unroll_R(7)
- R1024_8_rounds(7);
+ #if R1024_UNROLL_R(7)
+ R1024_8_ROUNDS(7);
#endif
- #if R1024_Unroll_R(8)
- R1024_8_rounds(8);
+ #if R1024_UNROLL_R(8)
+ R1024_8_ROUNDS(8);
#endif
- #if R1024_Unroll_R(9)
- R1024_8_rounds(9);
+ #if R1024_UNROLL_R(9)
+ R1024_8_ROUNDS(9);
#endif
- #if R1024_Unroll_R(10)
- R1024_8_rounds(10);
+ #if R1024_UNROLL_R(10)
+ R1024_8_ROUNDS(10);
#endif
- #if R1024_Unroll_R(11)
- R1024_8_rounds(11);
+ #if R1024_UNROLL_R(11)
+ R1024_8_ROUNDS(11);
#endif
- #if R1024_Unroll_R(12)
- R1024_8_rounds(12);
+ #if R1024_UNROLL_R(12)
+ R1024_8_ROUNDS(12);
#endif
- #if R1024_Unroll_R(13)
- R1024_8_rounds(13);
+ #if R1024_UNROLL_R(13)
+ R1024_8_ROUNDS(13);
#endif
- #if R1024_Unroll_R(14)
- R1024_8_rounds(14);
+ #if R1024_UNROLL_R(14)
+ R1024_8_ROUNDS(14);
#endif
#if (SKEIN_UNROLL_1024 > 14)
#error "need more unrolling in Skein_1024_Process_Block"
ctx->X[14] = X14 ^ w[14];
ctx->X[15] = X15 ^ w[15];
- Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
+ skein_show_round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
ts[1] &= ~SKEIN_T1_FLAG_FIRST;
- blk_ptr += SKEIN1024_BLOCK_BYTES;
+ blk_ptr += SKEIN_1024_BLOCK_BYTES;
} while (--blk_cnt);
ctx->h.T[0] = ts[0];
ctx->h.T[1] = ts[1];
{
int key_words = state_size / 64;
int i;
- u64 parity = KeyScheduleConst;
+ u64 parity = KEY_SCHEDULE_CONST;
key_ctx->tweak[0] = tweak[0];
key_ctx->tweak[1] = tweak[1];
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS];
- Skein_Get64_LSB_First(plain, in, key_ctx->state_size / 64);
+ skein_get64_lsb_first(plain, in, key_ctx->state_size / 64);
threefish_encrypt_block_words(key_ctx, plain, cipher);
- Skein_Put64_LSB_First(out, cipher, key_ctx->state_size / 8);
+ skein_put64_lsb_first(out, cipher, key_ctx->state_size / 8);
}
void threefish_encrypt_block_words(struct threefish_key *key_ctx, u64 *in,
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS];
- Skein_Get64_LSB_First(cipher, in, key_ctx->state_size / 64);
+ skein_get64_lsb_first(cipher, in, key_ctx->state_size / 64);
threefish_decrypt_block_words(key_ctx, cipher, plain);
- Skein_Put64_LSB_First(out, plain, key_ctx->state_size / 8);
+ skein_put64_lsb_first(out, plain, key_ctx->state_size / 8);
}
void threefish_decrypt_block_words(struct threefish_key *key_ctx, u64 *in,
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