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Ran astyle on features/mbedtls/targets/TARGET_Samsung.

pull/12106/head
Andrew Chong 2020-01-06 14:47:07 +08:00
parent 26f7e26568
commit d242850de4
4 changed files with 442 additions and 425 deletions
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414
features/mbedtls/targets/TARGET_Samsung/sha/sha256_alt.c
View File

@ -76,7 +76,7 @@ int mbedtls_sha256_sw_update_ret(mbedtls_sha256_context *ctx, const unsigned cha
void mbedtls_sha256_init(mbedtls_sha256_context *ctx) void mbedtls_sha256_init(mbedtls_sha256_context *ctx)
{ {
memset( ctx, 0, sizeof( mbedtls_sha256_context ) ); memset(ctx, 0, sizeof(mbedtls_sha256_context));
} }
void mbedtls_sha256_free(mbedtls_sha256_context *ctx) void mbedtls_sha256_free(mbedtls_sha256_context *ctx)
@ -84,7 +84,7 @@ void mbedtls_sha256_free(mbedtls_sha256_context *ctx)
if (ctx == NULL) { if (ctx == NULL) {
return; return;
} }
memset( ctx, 0, sizeof( mbedtls_sha256_context ) ); memset(ctx, 0, sizeof(mbedtls_sha256_context));
} }
void mbedtls_sha256_clone(mbedtls_sha256_context *dst, void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
@ -95,10 +95,10 @@ void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
return; return;
} }
SHA256_VALIDATE( dst != NULL ); SHA256_VALIDATE(dst != NULL);
SHA256_VALIDATE( src != NULL ); SHA256_VALIDATE(src != NULL);
memcpy(dst, src, sizeof(mbedtls_sha256_context)); memcpy(dst, src, sizeof(mbedtls_sha256_context));
} }
/* /*
@ -106,32 +106,29 @@ void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
*/ */
int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224) int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224)
{ {
SHA256_VALIDATE_RET( ctx != NULL ); SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 ); SHA256_VALIDATE_RET(is224 == 0 || is224 == 1);
ctx->total[0] = 0; ctx->total[0] = 0;
ctx->total[1] = 0; ctx->total[1] = 0;
if( is224 == 0 ) if (is224 == 0) {
{ ctx->is224 = 0;
ctx->is224 = 0; memset(ctx, 0, sizeof(mbedtls_sha256_context));
memset( ctx, 0, sizeof( mbedtls_sha256_context ) ); } else {
}
else
{
/* SHA-224 */ /* SHA-224 */
ctx->state[0] = 0xC1059ED8; ctx->state[0] = 0xC1059ED8;
ctx->state[1] = 0x367CD507; ctx->state[1] = 0x367CD507;
ctx->state[2] = 0x3070DD17; ctx->state[2] = 0x3070DD17;
ctx->state[3] = 0xF70E5939; ctx->state[3] = 0xF70E5939;
ctx->state[4] = 0xFFC00B31; ctx->state[4] = 0xFFC00B31;
ctx->state[5] = 0x68581511; ctx->state[5] = 0x68581511;
ctx->state[6] = 0x64F98FA7; ctx->state[6] = 0x64F98FA7;
ctx->state[7] = 0xBEFA4FA4; ctx->state[7] = 0xBEFA4FA4;
ctx->is224 = is224; ctx->is224 = is224;
} }
// No any of H/W access, always return OK // No any of H/W access, always return OK
return 0; return 0;
} }
@ -140,36 +137,35 @@ int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224)
*/ */
int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen) int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen)
{ {
if(ctx->is224){ if (ctx->is224) {
mbedtls_sha256_sw_update_ret(ctx, input, ilen); mbedtls_sha256_sw_update_ret(ctx, input, ilen);
} } else {
else { if (ilen > MAX_MB_HASH_BLOCK_BLEN || ctx->totals > MAX_MB_HASH_BLOCK_BLEN) {
if(ilen > MAX_MB_HASH_BLOCK_BLEN || ctx->totals > MAX_MB_HASH_BLOCK_BLEN) { // H/W SHA has limitation to seperated API with oversized message.
// H/W SHA has limitation to seperated API with oversized message. // fall back to S/W SHA-256
// fall back to S/W SHA-256 if (ctx->totals == 0) {
if(ctx->totals == 0) { ctx->total[0] = 0;
ctx->total[0] = 0; ctx->total[1] = 0;
ctx->total[1] = 0; /* SHA-256 */
/* SHA-256 */ ctx->state[0] = 0x6A09E667;
ctx->state[0] = 0x6A09E667; ctx->state[1] = 0xBB67AE85;
ctx->state[1] = 0xBB67AE85; ctx->state[2] = 0x3C6EF372;
ctx->state[2] = 0x3C6EF372; ctx->state[3] = 0xA54FF53A;
ctx->state[3] = 0xA54FF53A; ctx->state[4] = 0x510E527F;
ctx->state[4] = 0x510E527F; ctx->state[5] = 0x9B05688C;
ctx->state[5] = 0x9B05688C; ctx->state[6] = 0x1F83D9AB;
ctx->state[6] = 0x1F83D9AB; ctx->state[7] = 0x5BE0CD19;
ctx->state[7] = 0x5BE0CD19; }
} ctx->totals += ilen;
ctx->totals += ilen; mbedtls_sha256_sw_update_ret(ctx, input, ilen);
mbedtls_sha256_sw_update_ret(ctx, input, ilen); } else {
} else { // SHA-256 handle by SSS H/W
// SHA-256 handle by SSS H/W memcpy(ctx->sbuf + ctx->pstMessage.u32DataByteLen, input, ilen);
memcpy(ctx->sbuf + ctx->pstMessage.u32DataByteLen, input, ilen); ctx->pstMessage.u32DataByteLen += ilen;
ctx->pstMessage.u32DataByteLen += ilen; }
} }
}
// No any of H/W access, always return OK // No any of H/W access, always return OK
return 0; return 0;
} }
@ -178,57 +174,56 @@ int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, const unsigned char *
*/ */
int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx, unsigned char output[32]) int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx, unsigned char output[32])
{ {
if(ctx->is224 || ctx->totals > MAX_MB_HASH_BLOCK_BLEN) if (ctx->is224 || ctx->totals > MAX_MB_HASH_BLOCK_BLEN) {
mbedtls_sha256_sw_finish_ret(ctx, output); mbedtls_sha256_sw_finish_ret(ctx, output);
else { } else {
int ret = FAIL; int ret = FAIL;
unsigned int object_id; unsigned int object_id;
unsigned int block_byte_len; unsigned int block_byte_len;
ctx->pstDigest.pu08Data = output; /* assign output buffer */ ctx->pstDigest.pu08Data = output; /* assign output buffer */
stOCTET_STRING stHASH_Input; stOCTET_STRING stHASH_Input;
//! step 0 : clear Mailbox //! step 0 : clear Mailbox
ret = mb_system_clear(CLEAR_TYPE_MAILBOX); ret = mb_system_clear(CLEAR_TYPE_MAILBOX);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
//! assign hash_byte_len to compare returned result from sss_fw after hash operation //! assign hash_byte_len to compare returned result from sss_fw after hash operation
object_id = OID_SHA2_256; object_id = OID_SHA2_256;
block_byte_len = 64; block_byte_len = 64;
//! step 1 : set message length parameter to SSS //! step 1 : set message length parameter to SSS
ret = mb_hash_init(&ctx->pstMessage, object_id); ret = mb_hash_init(&ctx->pstMessage, object_id);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
//! step 2 : set message block to SSS //! step 2 : set message block to SSS
ctx->pstMessage.pu08Data = ctx->sbuf; ctx->pstMessage.pu08Data = ctx->sbuf;
stHASH_Input.pu08Data = ctx->pstMessage.pu08Data; stHASH_Input.pu08Data = ctx->pstMessage.pu08Data;
stHASH_Input.u32DataByteLen = ctx->pstMessage.u32DataByteLen; stHASH_Input.u32DataByteLen = ctx->pstMessage.u32DataByteLen;
ret = mb_hash_update(&stHASH_Input, block_byte_len); ret = mb_hash_update(&stHASH_Input, block_byte_len);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
//! step 3 : get hash result from SSS //! step 3 : get hash result from SSS
ret = mb_hash_final(&stHASH_Input, &ctx->pstDigest); ret = mb_hash_final(&stHASH_Input, &ctx->pstDigest);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
} }
return 0; return 0;
} }
static const uint32_t K[] = static const uint32_t K[] = {
{
0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
@ -273,63 +268,71 @@ static const uint32_t K[] =
(d) += temp1; (h) = temp1 + temp2; \ (d) += temp1; (h) = temp1 + temp2; \
} while( 0 ) } while( 0 )
int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx, int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx,
const unsigned char data[64] ) const unsigned char data[64])
{ {
uint32_t temp1, temp2, W[64]; uint32_t temp1, temp2, W[64];
uint32_t A[8]; uint32_t A[8];
unsigned int i; unsigned int i;
SHA256_VALIDATE_RET( ctx != NULL ); SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET( (const unsigned char *)data != NULL ); SHA256_VALIDATE_RET((const unsigned char *)data != NULL);
for( i = 0; i < 8; i++ ) for (i = 0; i < 8; i++) {
A[i] = ctx->state[i]; A[i] = ctx->state[i];
}
#if defined(MBEDTLS_SHA256_SMALLER) #if defined(MBEDTLS_SHA256_SMALLER)
for( i = 0; i < 64; i++ ) for (i = 0; i < 64; i++) {
{ if (i < 16) {
if( i < 16 ) GET_UINT32_BE(W[i], data, 4 * i);
GET_UINT32_BE( W[i], data, 4 * i ); } else {
else R(i);
R( i ); }
P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i] ); P(A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i]);
temp1 = A[7]; A[7] = A[6]; A[6] = A[5]; A[5] = A[4]; A[4] = A[3]; temp1 = A[7];
A[3] = A[2]; A[2] = A[1]; A[1] = A[0]; A[0] = temp1; A[7] = A[6];
A[6] = A[5];
A[5] = A[4];
A[4] = A[3];
A[3] = A[2];
A[2] = A[1];
A[1] = A[0];
A[0] = temp1;
} }
#else /* MBEDTLS_SHA256_SMALLER */ #else /* MBEDTLS_SHA256_SMALLER */
for( i = 0; i < 16; i++ ) for (i = 0; i < 16; i++) {
GET_UINT32_BE( W[i], data, 4 * i ); GET_UINT32_BE(W[i], data, 4 * i);
for( i = 0; i < 16; i += 8 )
{
P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i+0], K[i+0] );
P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i+1], K[i+1] );
P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i+2], K[i+2] );
P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i+3], K[i+3] );
P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i+4], K[i+4] );
P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i+5], K[i+5] );
P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i+6], K[i+6] );
P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i+7], K[i+7] );
} }
for( i = 16; i < 64; i += 8 ) for (i = 0; i < 16; i += 8) {
{ P(A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i + 0], K[i + 0]);
P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], R(i+0), K[i+0] ); P(A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i + 1], K[i + 1]);
P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], R(i+1), K[i+1] ); P(A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i + 2], K[i + 2]);
P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], R(i+2), K[i+2] ); P(A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i + 3], K[i + 3]);
P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], R(i+3), K[i+3] ); P(A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i + 4], K[i + 4]);
P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], R(i+4), K[i+4] ); P(A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i + 5], K[i + 5]);
P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], R(i+5), K[i+5] ); P(A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i + 6], K[i + 6]);
P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], R(i+6), K[i+6] ); P(A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i + 7], K[i + 7]);
P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], R(i+7), K[i+7] ); }
for (i = 16; i < 64; i += 8) {
P(A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], R(i + 0), K[i + 0]);
P(A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], R(i + 1), K[i + 1]);
P(A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], R(i + 2), K[i + 2]);
P(A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], R(i + 3), K[i + 3]);
P(A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], R(i + 4), K[i + 4]);
P(A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], R(i + 5), K[i + 5]);
P(A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], R(i + 6), K[i + 6]);
P(A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], R(i + 7), K[i + 7]);
} }
#endif /* MBEDTLS_SHA256_SMALLER */ #endif /* MBEDTLS_SHA256_SMALLER */
for( i = 0; i < 8; i++ ) for (i = 0; i < 8; i++) {
ctx->state[i] += A[i]; ctx->state[i] += A[i];
}
return 0; return 0;
} }
@ -337,112 +340,115 @@ int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,
int mbedtls_sha256_sw_finish_ret(mbedtls_sha256_context *ctx, unsigned char output[32]) int mbedtls_sha256_sw_finish_ret(mbedtls_sha256_context *ctx, unsigned char output[32])
{ {
int ret; int ret;
uint32_t used; uint32_t used;
uint32_t high, low; uint32_t high, low;
SHA256_VALIDATE_RET( ctx != NULL ); SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET( (unsigned char *)output != NULL ); SHA256_VALIDATE_RET((unsigned char *)output != NULL);
/* /*
* Add padding: 0x80 then 0x00 until 8 bytes remain for the length * Add padding: 0x80 then 0x00 until 8 bytes remain for the length
*/ */
used = ctx->total[0] & 0x3F; used = ctx->total[0] & 0x3F;
ctx->buffer[used++] = 0x80; ctx->buffer[used++] = 0x80;
if( used <= 56 ) if (used <= 56) {
{ /* Enough room for padding + length in current block */
/* Enough room for padding + length in current block */ memset(ctx->buffer + used, 0, 56 - used);
memset( ctx->buffer + used, 0, 56 - used ); } else {
} /* We'll need an extra block */
else memset(ctx->buffer + used, 0, 64 - used);
{
/* We'll need an extra block */
memset( ctx->buffer + used, 0, 64 - used );
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 ) if ((ret = mbedtls_internal_sha256_process(ctx, ctx->buffer)) != 0) {
return( ret ); return (ret);
}
memset( ctx->buffer, 0, 56 ); memset(ctx->buffer, 0, 56);
} }
/* /*
* Add message length * Add message length
*/ */
high = ( ctx->total[0] >> 29 ) high = (ctx->total[0] >> 29)
| ( ctx->total[1] << 3 ); | (ctx->total[1] << 3);
low = ( ctx->total[0] << 3 ); low = (ctx->total[0] << 3);
PUT_UINT32_BE( high, ctx->buffer, 56 ); PUT_UINT32_BE(high, ctx->buffer, 56);
PUT_UINT32_BE( low, ctx->buffer, 60 ); PUT_UINT32_BE(low, ctx->buffer, 60);
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 ) if ((ret = mbedtls_internal_sha256_process(ctx, ctx->buffer)) != 0) {
return( ret ); return (ret);
}
/* /*
* Output final state * Output final state
*/ */
PUT_UINT32_BE( ctx->state[0], output, 0 ); PUT_UINT32_BE(ctx->state[0], output, 0);
PUT_UINT32_BE( ctx->state[1], output, 4 ); PUT_UINT32_BE(ctx->state[1], output, 4);
PUT_UINT32_BE( ctx->state[2], output, 8 ); PUT_UINT32_BE(ctx->state[2], output, 8);
PUT_UINT32_BE( ctx->state[3], output, 12 ); PUT_UINT32_BE(ctx->state[3], output, 12);
PUT_UINT32_BE( ctx->state[4], output, 16 ); PUT_UINT32_BE(ctx->state[4], output, 16);
PUT_UINT32_BE( ctx->state[5], output, 20 ); PUT_UINT32_BE(ctx->state[5], output, 20);
PUT_UINT32_BE( ctx->state[6], output, 24 ); PUT_UINT32_BE(ctx->state[6], output, 24);
if( ctx->is224 == 0 ) if (ctx->is224 == 0) {
PUT_UINT32_BE( ctx->state[7], output, 28 ); PUT_UINT32_BE(ctx->state[7], output, 28);
return 0; }
return 0;
} }
int mbedtls_sha256_sw_update_ret(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen) int mbedtls_sha256_sw_update_ret(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen)
{ {
//process SW SHA224 //process SW SHA224
int ret; int ret;
size_t fill; size_t fill;
uint32_t left; uint32_t left;
SHA256_VALIDATE_RET( ctx != NULL ); SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET( ilen == 0 || input != NULL ); SHA256_VALIDATE_RET(ilen == 0 || input != NULL);
if( ilen == 0 ) if (ilen == 0) {
return( 0 ); return (0);
}
left = ctx->total[0] & 0x3F; left = ctx->total[0] & 0x3F;
fill = 64 - left; fill = 64 - left;
ctx->total[0] += (uint32_t) ilen; ctx->total[0] += (uint32_t) ilen;
ctx->total[0] &= 0xFFFFFFFF; ctx->total[0] &= 0xFFFFFFFF;
if( ctx->total[0] < (uint32_t) ilen ) if (ctx->total[0] < (uint32_t) ilen) {
ctx->total[1]++; ctx->total[1]++;
}
if( left && ilen >= fill ) if (left && ilen >= fill) {
{ memcpy((void *)(ctx->buffer + left), input, fill);
memcpy( (void *) (ctx->buffer + left), input, fill );
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 ) if ((ret = mbedtls_internal_sha256_process(ctx, ctx->buffer)) != 0) {
return( ret ); return (ret);
}
input += fill; input += fill;
ilen -= fill; ilen -= fill;
left = 0; left = 0;
} }
while( ilen >= 64 ) while (ilen >= 64) {
{ if ((ret = mbedtls_internal_sha256_process(ctx, input)) != 0) {
if( ( ret = mbedtls_internal_sha256_process( ctx, input ) ) != 0 ) return (ret);
return( ret ); }
input += 64; input += 64;
ilen -= 64; ilen -= 64;
} }
if( ilen > 0 ) if (ilen > 0) {
memcpy( (void *) (ctx->buffer + left), input, ilen ); memcpy((void *)(ctx->buffer + left), input, ilen);
}
return 0; return 0;
} }
#endif /* MBEDTLS_SHA256_ALT */ #endif /* MBEDTLS_SHA256_ALT */

48
features/mbedtls/targets/TARGET_Samsung/sha/sha256_alt.h
View File

@ -45,25 +45,25 @@
extern "C" { extern "C" {
#endif #endif
#define ST_SHA256_BUF_SIZE ((size_t) 256) #define ST_SHA256_BUF_SIZE ((size_t) 256)
struct mbedtls_sha256_context_s; struct mbedtls_sha256_context_s;
/** /**
* \brief SHA-256 context structure * \brief SHA-256 context structure
*/ */
typedef struct mbedtls_sha256_context_s { typedef struct mbedtls_sha256_context_s {
/* for S/W SHA-224 */ /* for S/W SHA-224 */
uint32_t total[2]; /*!< The number of Bytes processed. */ uint32_t total[2]; /*!< The number of Bytes processed. */
uint32_t state[8]; /*!< The intermediate digest state. */ uint32_t state[8]; /*!< The intermediate digest state. */
unsigned char buffer[64]; /*!< The data block being processed. */ unsigned char buffer[64]; /*!< The data block being processed. */
int is224; /*!< Determines which function to use: int is224; /*!< Determines which function to use:
0: Use SHA-256, or 1: Use SHA-224. */ 0: Use SHA-256, or 1: Use SHA-224. */
/* for H/W SHA-256 */ /* for H/W SHA-256 */
uint32_t totals; uint32_t totals;
unsigned char sbuf[ST_SHA256_BUF_SIZE]; /*!< ST_SHA256_BLOCK_SIZE buffer to store values so that algorithm is called once the buffer is filled */ unsigned char sbuf[ST_SHA256_BUF_SIZE]; /*!< ST_SHA256_BLOCK_SIZE buffer to store values so that algorithm is called once the buffer is filled */
stOCTET_STRING pstMessage; stOCTET_STRING pstMessage;
stOCTET_STRING pstDigest; stOCTET_STRING pstDigest;
} }
mbedtls_sha256_context; mbedtls_sha256_context;
@ -73,14 +73,14 @@ mbedtls_sha256_context;
* *
* \param ctx SHA-256 context to be initialized * \param ctx SHA-256 context to be initialized
*/ */
void mbedtls_sha256_init( mbedtls_sha256_context *ctx ); void mbedtls_sha256_init(mbedtls_sha256_context *ctx);
/** /**
* \brief Clear SHA-256 context * \brief Clear SHA-256 context
* *
* \param ctx SHA-256 context to be cleared * \param ctx SHA-256 context to be cleared
*/ */
void mbedtls_sha256_free( mbedtls_sha256_context *ctx ); void mbedtls_sha256_free(mbedtls_sha256_context *ctx);
/** /**
* \brief Clone (the state of) a SHA-256 context * \brief Clone (the state of) a SHA-256 context
@ -88,8 +88,8 @@ void mbedtls_sha256_free( mbedtls_sha256_context *ctx );
* \param dst The destination context * \param dst The destination context
* \param src The context to be cloned * \param src The context to be cloned
*/ */
void mbedtls_sha256_clone( mbedtls_sha256_context *dst, void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
const mbedtls_sha256_context *src ); const mbedtls_sha256_context *src);
/** /**
* \brief SHA-256 context setup * \brief SHA-256 context setup
@ -99,7 +99,7 @@ void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
* *
* \returns error code * \returns error code
*/ */
int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 ); int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224);
/** /**
* \brief SHA-256 process buffer * \brief SHA-256 process buffer
@ -110,8 +110,8 @@ int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 );
* *
* \returns error code * \returns error code
*/ */
int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx, const unsigned char *input, int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, const unsigned char *input,
size_t ilen ); size_t ilen);
/** /**
* \brief SHA-256 final digest * \brief SHA-256 final digest
@ -121,10 +121,10 @@ int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx, const unsigned char
* *
* \returns error code * \returns error code
*/ */
int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx, unsigned char output[32] ); int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx, unsigned char output[32]);
/* Internal use */ /* Internal use */
int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx, const unsigned char data[64] ); int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx, const unsigned char data[64]);
#if !defined(MBEDTLS_DEPRECATED_REMOVED) #if !defined(MBEDTLS_DEPRECATED_REMOVED)
#if defined(MBEDTLS_DEPRECATED_WARNING) #if defined(MBEDTLS_DEPRECATED_WARNING)
@ -142,8 +142,8 @@ int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx, const unsigned
* <ul><li>0: Use SHA-256.</li> * <ul><li>0: Use SHA-256.</li>
* <li>1: Use SHA-224.</li></ul> * <li>1: Use SHA-224.</li></ul>
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha256_starts( mbedtls_sha256_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha256_starts(mbedtls_sha256_context *ctx,
int is224 ); int is224);
/** /**
* \brief This function feeds an input buffer into an ongoing * \brief This function feeds an input buffer into an ongoing
@ -155,9 +155,9 @@ MBEDTLS_DEPRECATED void mbedtls_sha256_starts( mbedtls_sha256_context *ctx,
* \param input The buffer holding the data. * \param input The buffer holding the data.
* \param ilen The length of the input data. * \param ilen The length of the input data.
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha256_update( mbedtls_sha256_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha256_update(mbedtls_sha256_context *ctx,
const unsigned char *input, const unsigned char *input,
size_t ilen ); size_t ilen);
/** /**
* \brief This function finishes the SHA-256 operation, and writes * \brief This function finishes the SHA-256 operation, and writes
@ -168,8 +168,8 @@ MBEDTLS_DEPRECATED void mbedtls_sha256_update( mbedtls_sha256_context *ctx,
* \param ctx The SHA-256 context. * \param ctx The SHA-256 context.
* \param output The SHA-224or SHA-256 checksum result. * \param output The SHA-224or SHA-256 checksum result.
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha256_finish( mbedtls_sha256_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha256_finish(mbedtls_sha256_context *ctx,
unsigned char output[32] ); unsigned char output[32]);
/** /**
* \brief This function processes a single data block within * \brief This function processes a single data block within
@ -181,8 +181,8 @@ MBEDTLS_DEPRECATED void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
* \param ctx The SHA-256 context. * \param ctx The SHA-256 context.
* \param data The buffer holding one block of data. * \param data The buffer holding one block of data.
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha256_process( mbedtls_sha256_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha256_process(mbedtls_sha256_context *ctx,
const unsigned char data[64] ); const unsigned char data[64]);
#undef MBEDTLS_DEPRECATED #undef MBEDTLS_DEPRECATED
#endif /* !MBEDTLS_DEPRECATED_REMOVED */ #endif /* !MBEDTLS_DEPRECATED_REMOVED */

357
features/mbedtls/targets/TARGET_Samsung/sha/sha512_alt.c
View File

@ -39,9 +39,9 @@
#if defined(MBEDTLS_SHA512_C) #if defined(MBEDTLS_SHA512_C)
#if defined(_MSC_VER) || defined(__WATCOMC__) #if defined(_MSC_VER) || defined(__WATCOMC__)
#define UL64(x) x##ui64 #define UL64(x) x##ui64
#else #else
#define UL64(x) x##ULL #define UL64(x) x##ULL
#endif #endif
#if defined(MBEDTLS_SHA512_ALT) #if defined(MBEDTLS_SHA512_ALT)
@ -82,7 +82,7 @@
#endif /* PUT_UINT64_BE */ #endif /* PUT_UINT64_BE */
#if defined(MBEDTLS_SHA512_SMALLER) #if defined(MBEDTLS_SHA512_SMALLER)
static void sha512_put_uint64_be( uint64_t n, unsigned char *b, uint8_t i ) static void sha512_put_uint64_be(uint64_t n, unsigned char *b, uint8_t i)
{ {
PUT_UINT64_BE(n, b, i); PUT_UINT64_BE(n, b, i);
} }
@ -101,16 +101,17 @@ int mbedtls_sha512_sw_update_ret(mbedtls_sha512_context *ctx, const unsigned cha
void mbedtls_sha512_init(mbedtls_sha512_context *ctx) void mbedtls_sha512_init(mbedtls_sha512_context *ctx)
{ {
SHA512_VALIDATE( ctx != NULL ); SHA512_VALIDATE(ctx != NULL);
memset( ctx, 0, sizeof( mbedtls_sha512_context ) ); memset(ctx, 0, sizeof(mbedtls_sha512_context));
} }
void mbedtls_sha512_free(mbedtls_sha512_context *ctx) void mbedtls_sha512_free(mbedtls_sha512_context *ctx)
{ {
if( ctx == NULL ) if (ctx == NULL) {
return; return;
}
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha512_context ) ); mbedtls_platform_zeroize(ctx, sizeof(mbedtls_sha512_context));
} }
void mbedtls_sha512_clone(mbedtls_sha512_context *dst, void mbedtls_sha512_clone(mbedtls_sha512_context *dst,
@ -121,10 +122,10 @@ void mbedtls_sha512_clone(mbedtls_sha512_context *dst,
return; return;
} }
SHA512_VALIDATE( dst != NULL ); SHA512_VALIDATE(dst != NULL);
SHA512_VALIDATE( src != NULL ); SHA512_VALIDATE(src != NULL);
memcpy(dst, src, sizeof(mbedtls_sha512_context)); memcpy(dst, src, sizeof(mbedtls_sha512_context));
} }
/* /*
@ -132,10 +133,10 @@ void mbedtls_sha512_clone(mbedtls_sha512_context *dst,
*/ */
int mbedtls_sha512_starts_ret(mbedtls_sha512_context *ctx, int is384) int mbedtls_sha512_starts_ret(mbedtls_sha512_context *ctx, int is384)
{ {
SHA512_VALIDATE_RET( ctx != NULL ); SHA512_VALIDATE_RET(ctx != NULL);
SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 ); SHA512_VALIDATE_RET(is384 == 0 || is384 == 1);
memset( ctx, 0, sizeof( mbedtls_sha512_context ) ); memset(ctx, 0, sizeof(mbedtls_sha512_context));
ctx->is384 = is384; ctx->is384 = is384;
return 0; return 0;
} }
@ -145,41 +146,41 @@ int mbedtls_sha512_starts_ret(mbedtls_sha512_context *ctx, int is384)
*/ */
int mbedtls_sha512_update_ret(mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen) int mbedtls_sha512_update_ret(mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen)
{ {
if(ilen > MAX_MB_HASH_BLOCK_BLEN || ctx->totals > MAX_MB_HASH_BLOCK_BLEN) { if (ilen > MAX_MB_HASH_BLOCK_BLEN || ctx->totals > MAX_MB_HASH_BLOCK_BLEN) {
// H/W SHA has limitation to seperated API with oversized message. // H/W SHA has limitation to seperated API with oversized message.
// fall back to S/W SHA-512 // fall back to S/W SHA-512
if(ctx->totals == 0) { if (ctx->totals == 0) {
ctx->total[0] = 0; ctx->total[0] = 0;
ctx->total[1] = 0; ctx->total[1] = 0;
if( ctx->is384 ) { if (ctx->is384) {
/* SHA-384 */ /* SHA-384 */
ctx->state[0] = UL64(0xCBBB9D5DC1059ED8); ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
ctx->state[1] = UL64(0x629A292A367CD507); ctx->state[1] = UL64(0x629A292A367CD507);
ctx->state[2] = UL64(0x9159015A3070DD17); ctx->state[2] = UL64(0x9159015A3070DD17);
ctx->state[3] = UL64(0x152FECD8F70E5939); ctx->state[3] = UL64(0x152FECD8F70E5939);
ctx->state[4] = UL64(0x67332667FFC00B31); ctx->state[4] = UL64(0x67332667FFC00B31);
ctx->state[5] = UL64(0x8EB44A8768581511); ctx->state[5] = UL64(0x8EB44A8768581511);
ctx->state[6] = UL64(0xDB0C2E0D64F98FA7); ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
ctx->state[7] = UL64(0x47B5481DBEFA4FA4); ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
} else { } else {
/* SHA-512 */ /* SHA-512 */
ctx->state[0] = UL64(0x6A09E667F3BCC908); ctx->state[0] = UL64(0x6A09E667F3BCC908);
ctx->state[1] = UL64(0xBB67AE8584CAA73B); ctx->state[1] = UL64(0xBB67AE8584CAA73B);
ctx->state[2] = UL64(0x3C6EF372FE94F82B); ctx->state[2] = UL64(0x3C6EF372FE94F82B);
ctx->state[3] = UL64(0xA54FF53A5F1D36F1); ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
ctx->state[4] = UL64(0x510E527FADE682D1); ctx->state[4] = UL64(0x510E527FADE682D1);
ctx->state[5] = UL64(0x9B05688C2B3E6C1F); ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
ctx->state[6] = UL64(0x1F83D9ABFB41BD6B); ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
ctx->state[7] = UL64(0x5BE0CD19137E2179); ctx->state[7] = UL64(0x5BE0CD19137E2179);
} }
} }
ctx->totals += ilen; ctx->totals += ilen;
mbedtls_sha512_sw_update_ret(ctx, input, ilen); mbedtls_sha512_sw_update_ret(ctx, input, ilen);
} else { } else {
// SHA-256 handle by SSS H/W // SHA-256 handle by SSS H/W
memcpy(ctx->sbuf + ctx->pstMessage.u32DataByteLen, input, ilen); memcpy(ctx->sbuf + ctx->pstMessage.u32DataByteLen, input, ilen);
ctx->pstMessage.u32DataByteLen += ilen; ctx->pstMessage.u32DataByteLen += ilen;
} }
return 0; return 0;
} }
@ -189,65 +190,65 @@ int mbedtls_sha512_update_ret(mbedtls_sha512_context *ctx, const unsigned char *
*/ */
int mbedtls_sha512_finish_ret(mbedtls_sha512_context *ctx, unsigned char output[64]) int mbedtls_sha512_finish_ret(mbedtls_sha512_context *ctx, unsigned char output[64])
{ {
if(ctx->totals > MAX_MB_HASH_BLOCK_BLEN) { if (ctx->totals > MAX_MB_HASH_BLOCK_BLEN) {
mbedtls_sha512_sw_finish_ret(ctx, output); mbedtls_sha512_sw_finish_ret(ctx, output);
} else { } else {
int ret = FAIL; int ret = FAIL;
unsigned int object_id; unsigned int object_id;
unsigned int block_byte_len; unsigned int block_byte_len;
ctx->pstDigest.pu08Data = output; /* assign output buffer */ ctx->pstDigest.pu08Data = output; /* assign output buffer */
stOCTET_STRING stHASH_Input; stOCTET_STRING stHASH_Input;
//! step 0 : clear Mailbox //! step 0 : clear Mailbox
ret = mb_system_clear(CLEAR_TYPE_MAILBOX); ret = mb_system_clear(CLEAR_TYPE_MAILBOX);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
//! assign hash_byte_len to compare returned result from sss_fw after hash operation //! assign hash_byte_len to compare returned result from sss_fw after hash operation
if( ctx->is384 == 0 ) if (ctx->is384 == 0) {
object_id = OID_SHA2_512; object_id = OID_SHA2_512;
else } else {
object_id = OID_SHA2_384; object_id = OID_SHA2_384;
}
block_byte_len = 64; block_byte_len = 64;
//! step 1 : set message length parameter to SSS //! step 1 : set message length parameter to SSS
ret = mb_hash_init(&ctx->pstMessage, object_id); ret = mb_hash_init(&ctx->pstMessage, object_id);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
//! step 2 : set message block to SSS //! step 2 : set message block to SSS
ctx->pstMessage.pu08Data = ctx->sbuf; ctx->pstMessage.pu08Data = ctx->sbuf;
stHASH_Input.pu08Data = ctx->pstMessage.pu08Data; stHASH_Input.pu08Data = ctx->pstMessage.pu08Data;
stHASH_Input.u32DataByteLen = ctx->pstMessage.u32DataByteLen; stHASH_Input.u32DataByteLen = ctx->pstMessage.u32DataByteLen;
ret = mb_hash_update(&stHASH_Input, block_byte_len); ret = mb_hash_update(&stHASH_Input, block_byte_len);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
//! step 3 : get hash result from SSS //! step 3 : get hash result from SSS
ret = mb_hash_final(&stHASH_Input, &ctx->pstDigest); ret = mb_hash_final(&stHASH_Input, &ctx->pstDigest);
if (ret != SSSR_SUCCESS) { if (ret != SSSR_SUCCESS) {
return ret; return ret;
} }
} }
return 0; return 0;
} }
/* /*
* Round constants * Round constants
*/ */
static const uint64_t K[80] = static const uint64_t K[80] = {
{
UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD), UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC), UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019), UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
@ -289,16 +290,16 @@ static const uint64_t K[80] =
UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A), UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817) UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
}; };
#define MBEDTLS_SHA512_SMALLER 1 #define MBEDTLS_SHA512_SMALLER 1
int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, int mbedtls_internal_sha512_process(mbedtls_sha512_context *ctx,
const unsigned char data[128] ) const unsigned char data[128])
{ {
int i; int i;
uint64_t temp1, temp2, W[80]; uint64_t temp1, temp2, W[80];
uint64_t A[8]; uint64_t A[8];
SHA512_VALIDATE_RET( ctx != NULL ); SHA512_VALIDATE_RET(ctx != NULL);
SHA512_VALIDATE_RET( (const unsigned char *)data != NULL ); SHA512_VALIDATE_RET((const unsigned char *)data != NULL);
#define SHR(x,n) ((x) >> (n)) #define SHR(x,n) ((x) >> (n))
#define ROTR(x,n) (SHR((x),(n)) | ((x) << (64 - (n)))) #define ROTR(x,n) (SHR((x),(n)) | ((x) << (64 - (n))))
@ -320,69 +321,78 @@ int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
(d) += temp1; (h) = temp1 + temp2; \ (d) += temp1; (h) = temp1 + temp2; \
} while( 0 ) } while( 0 )
for( i = 0; i < 8; i++ ) for (i = 0; i < 8; i++) {
A[i] = ctx->state[i]; A[i] = ctx->state[i];
}
#if defined(MBEDTLS_SHA512_SMALLER) #if defined(MBEDTLS_SHA512_SMALLER)
for( i = 0; i < 80; i++ ) for (i = 0; i < 80; i++) {
{ if (i < 16) {
if( i < 16 ) GET_UINT64_BE(W[i], data, i << 3);
{ } else {
GET_UINT64_BE( W[i], data, i << 3 );
}
else
{
W[i] = S1(W[i - 2]) + W[i - 7] + W[i] = S1(W[i - 2]) + W[i - 7] +
S0(W[i - 15]) + W[i - 16]; S0(W[i - 15]) + W[i - 16];
} }
P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i] ); P(A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i]);
temp1 = A[7]; A[7] = A[6]; A[6] = A[5]; A[5] = A[4]; A[4] = A[3]; temp1 = A[7];
A[3] = A[2]; A[2] = A[1]; A[1] = A[0]; A[0] = temp1; A[7] = A[6];
A[6] = A[5];
A[5] = A[4];
A[4] = A[3];
A[3] = A[2];
A[2] = A[1];
A[1] = A[0];
A[0] = temp1;
} }
#else /* MBEDTLS_SHA512_SMALLER */ #else /* MBEDTLS_SHA512_SMALLER */
for( i = 0; i < 16; i++ ) for (i = 0; i < 16; i++) {
{ GET_UINT64_BE(W[i], data, i << 3);
GET_UINT64_BE( W[i], data, i << 3 );
} }
for( ; i < 80; i++ ) for (; i < 80; i++) {
{
W[i] = S1(W[i - 2]) + W[i - 7] + W[i] = S1(W[i - 2]) + W[i - 7] +
S0(W[i - 15]) + W[i - 16]; S0(W[i - 15]) + W[i - 16];
} }
i = 0; i = 0;
do do {
{ P(A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i]);
P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i] ); i++; i++;
P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i], K[i] ); i++; P(A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i], K[i]);
P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i], K[i] ); i++; i++;
P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i], K[i] ); i++; P(A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i], K[i]);
P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i], K[i] ); i++; i++;
P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i], K[i] ); i++; P(A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i], K[i]);
P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i], K[i] ); i++; i++;
P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i], K[i] ); i++; P(A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i], K[i]);
} i++;
while( i < 80 ); P(A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i], K[i]);
i++;
P(A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i], K[i]);
i++;
P(A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i], K[i]);
i++;
} while (i < 80);
#endif /* MBEDTLS_SHA512_SMALLER */ #endif /* MBEDTLS_SHA512_SMALLER */
for( i = 0; i < 8; i++ ) for (i = 0; i < 8; i++) {
ctx->state[i] += A[i]; ctx->state[i] += A[i];
}
return 0; return 0;
} }
int mbedtls_sha512_sw_finish_ret( mbedtls_sha512_context *ctx, int mbedtls_sha512_sw_finish_ret(mbedtls_sha512_context *ctx,
unsigned char output[64] ) unsigned char output[64])
{ {
int ret; int ret;
unsigned used; unsigned used;
uint64_t high, low; uint64_t high, low;
SHA512_VALIDATE_RET( ctx != NULL ); SHA512_VALIDATE_RET(ctx != NULL);
SHA512_VALIDATE_RET( (unsigned char *)output != NULL ); SHA512_VALIDATE_RET((unsigned char *)output != NULL);
/* /*
* Add padding: 0x80 then 0x00 until 16 bytes remain for the length * Add padding: 0x80 then 0x00 until 16 bytes remain for the length
@ -391,49 +401,47 @@ int mbedtls_sha512_sw_finish_ret( mbedtls_sha512_context *ctx,
ctx->buffer[used++] = 0x80; ctx->buffer[used++] = 0x80;
if( used <= 112 ) if (used <= 112) {
{
/* Enough room for padding + length in current block */ /* Enough room for padding + length in current block */
memset( ctx->buffer + used, 0, 112 - used ); memset(ctx->buffer + used, 0, 112 - used);
} } else {
else
{
/* We'll need an extra block */ /* We'll need an extra block */
memset( ctx->buffer + used, 0, 128 - used ); memset(ctx->buffer + used, 0, 128 - used);
if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) if ((ret = mbedtls_internal_sha512_process(ctx, ctx->buffer)) != 0) {
return( ret ); return (ret);
}
memset( ctx->buffer, 0, 112 ); memset(ctx->buffer, 0, 112);
} }
/* /*
* Add message length * Add message length
*/ */
high = ( ctx->total[0] >> 61 ) high = (ctx->total[0] >> 61)
| ( ctx->total[1] << 3 ); | (ctx->total[1] << 3);
low = ( ctx->total[0] << 3 ); low = (ctx->total[0] << 3);
sha512_put_uint64_be( high, ctx->buffer, 112 ); sha512_put_uint64_be(high, ctx->buffer, 112);
sha512_put_uint64_be( low, ctx->buffer, 120 ); sha512_put_uint64_be(low, ctx->buffer, 120);
if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) if ((ret = mbedtls_internal_sha512_process(ctx, ctx->buffer)) != 0) {
return( ret ); return (ret);
}
/* /*
* Output final state * Output final state
*/ */
sha512_put_uint64_be( ctx->state[0], output, 0 ); sha512_put_uint64_be(ctx->state[0], output, 0);
sha512_put_uint64_be( ctx->state[1], output, 8 ); sha512_put_uint64_be(ctx->state[1], output, 8);
sha512_put_uint64_be( ctx->state[2], output, 16 ); sha512_put_uint64_be(ctx->state[2], output, 16);
sha512_put_uint64_be( ctx->state[3], output, 24 ); sha512_put_uint64_be(ctx->state[3], output, 24);
sha512_put_uint64_be( ctx->state[4], output, 32 ); sha512_put_uint64_be(ctx->state[4], output, 32);
sha512_put_uint64_be( ctx->state[5], output, 40 ); sha512_put_uint64_be(ctx->state[5], output, 40);
if( ctx->is384 == 0 ) if (ctx->is384 == 0) {
{ sha512_put_uint64_be(ctx->state[6], output, 48);
sha512_put_uint64_be( ctx->state[6], output, 48 ); sha512_put_uint64_be(ctx->state[7], output, 56);
sha512_put_uint64_be( ctx->state[7], output, 56 );
} }
return 0; return 0;
@ -445,47 +453,50 @@ int mbedtls_sha512_sw_update_ret(mbedtls_sha512_context *ctx, const unsigned cha
size_t fill; size_t fill;
unsigned int left; unsigned int left;
SHA512_VALIDATE_RET( ctx != NULL ); SHA512_VALIDATE_RET(ctx != NULL);
SHA512_VALIDATE_RET( ilen == 0 || input != NULL ); SHA512_VALIDATE_RET(ilen == 0 || input != NULL);
if( ilen == 0 ) if (ilen == 0) {
return( 0 ); return (0);
}
left = (unsigned int) (ctx->total[0] & 0x7F); left = (unsigned int)(ctx->total[0] & 0x7F);
fill = 128 - left; fill = 128 - left;
ctx->total[0] += (uint64_t) ilen; ctx->total[0] += (uint64_t) ilen;
if( ctx->total[0] < (uint64_t) ilen ) if (ctx->total[0] < (uint64_t) ilen) {
ctx->total[1]++; ctx->total[1]++;
}
if( left && ilen >= fill ) if (left && ilen >= fill) {
{ memcpy((void *)(ctx->buffer + left), input, fill);
memcpy( (void *) (ctx->buffer + left), input, fill );
if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) if ((ret = mbedtls_internal_sha512_process(ctx, ctx->buffer)) != 0) {
return( ret ); return (ret);
}
input += fill; input += fill;
ilen -= fill; ilen -= fill;
left = 0; left = 0;
} }
while( ilen >= 128 ) while (ilen >= 128) {
{ if ((ret = mbedtls_internal_sha512_process(ctx, input)) != 0) {
if( ( ret = mbedtls_internal_sha512_process( ctx, input ) ) != 0 ) return (ret);
return( ret ); }
input += 128; input += 128;
ilen -= 128; ilen -= 128;
} }
if( ilen > 0 ) if (ilen > 0) {
memcpy( (void *) (ctx->buffer + left), input, ilen ); memcpy((void *)(ctx->buffer + left), input, ilen);
}
return 0; return 0;
} }
#endif /* MBEDTLS_SHA512_ALT */ #endif /* MBEDTLS_SHA512_ALT */

48
features/mbedtls/targets/TARGET_Samsung/sha/sha512_alt.h
View File

@ -44,24 +44,24 @@
extern "C" { extern "C" {
#endif #endif
#define ST_SHA512_BUF_SIZE ((size_t) 512) #define ST_SHA512_BUF_SIZE ((size_t) 512)
struct mbedtls_sha512_context_s; struct mbedtls_sha512_context_s;
/** /**
* \brief SHA-512 context structure * \brief SHA-512 context structure
*/ */
typedef struct mbedtls_sha512_context_s { typedef struct mbedtls_sha512_context_s {
/* for S/W SHA-384 */ /* for S/W SHA-384 */
uint64_t total[2]; /*!< The number of Bytes processed. */ uint64_t total[2]; /*!< The number of Bytes processed. */
uint64_t state[8]; /*!< The intermediate digest state. */ uint64_t state[8]; /*!< The intermediate digest state. */
unsigned char buffer[128]; /*!< The data block being processed. */ unsigned char buffer[128]; /*!< The data block being processed. */
int is384; /*!< Determines which function to use: int is384; /*!< Determines which function to use:
0: Use SHA-512, or 1: Use SHA-384. */ 0: Use SHA-512, or 1: Use SHA-384. */
/* for H/W SHA-512 */ /* for H/W SHA-512 */
uint32_t totals; uint32_t totals;
unsigned char sbuf[ST_SHA512_BUF_SIZE]; /*!< ST_SHA512_BLOCK_SIZE buffer to store values so that algorithm is called once the buffer is filled */ unsigned char sbuf[ST_SHA512_BUF_SIZE]; /*!< ST_SHA512_BLOCK_SIZE buffer to store values so that algorithm is called once the buffer is filled */
stOCTET_STRING pstMessage; stOCTET_STRING pstMessage;
stOCTET_STRING pstDigest; stOCTET_STRING pstDigest;
} }
mbedtls_sha512_context; mbedtls_sha512_context;
@ -71,14 +71,14 @@ mbedtls_sha512_context;
* *
* \param ctx SHA-512 context to be initialized * \param ctx SHA-512 context to be initialized
*/ */
void mbedtls_sha512_init( mbedtls_sha512_context *ctx ); void mbedtls_sha512_init(mbedtls_sha512_context *ctx);
/** /**
* \brief Clear SHA-512 context * \brief Clear SHA-512 context
* *
* \param ctx SHA-512 context to be cleared * \param ctx SHA-512 context to be cleared
*/ */
void mbedtls_sha512_free( mbedtls_sha512_context *ctx ); void mbedtls_sha512_free(mbedtls_sha512_context *ctx);
/** /**
* \brief Clone (the state of) a SHA-512 context * \brief Clone (the state of) a SHA-512 context
@ -86,8 +86,8 @@ void mbedtls_sha512_free( mbedtls_sha512_context *ctx );
* \param dst The destination context * \param dst The destination context
* \param src The context to be cloned * \param src The context to be cloned
*/ */
void mbedtls_sha512_clone( mbedtls_sha512_context *dst, void mbedtls_sha512_clone(mbedtls_sha512_context *dst,
const mbedtls_sha512_context *src ); const mbedtls_sha512_context *src);
/** /**
* \brief SHA-512 context setup * \brief SHA-512 context setup
@ -97,7 +97,7 @@ void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
* *
* \returns error code * \returns error code
*/ */
int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is224 ); int mbedtls_sha512_starts_ret(mbedtls_sha512_context *ctx, int is224);
/** /**
* \brief SHA-512 process buffer * \brief SHA-512 process buffer
@ -108,8 +108,8 @@ int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is224 );
* *
* \returns error code * \returns error code
*/ */
int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx, const unsigned char *input, int mbedtls_sha512_update_ret(mbedtls_sha512_context *ctx, const unsigned char *input,
size_t ilen ); size_t ilen);
/** /**
* \brief SHA-512 final digest * \brief SHA-512 final digest
@ -119,10 +119,10 @@ int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx, const unsigned char
* *
* \returns error code * \returns error code
*/ */
int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx, unsigned char output[64] ); int mbedtls_sha512_finish_ret(mbedtls_sha512_context *ctx, unsigned char output[64]);
/* Internal use */ /* Internal use */
int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] ); int mbedtls_internal_sha512_process(mbedtls_sha512_context *ctx, const unsigned char data[128]);
#if !defined(MBEDTLS_DEPRECATED_REMOVED) #if !defined(MBEDTLS_DEPRECATED_REMOVED)
#if defined(MBEDTLS_DEPRECATED_WARNING) #if defined(MBEDTLS_DEPRECATED_WARNING)
@ -140,8 +140,8 @@ int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, const unsigned
* <ul><li>0: Use SHA-512.</li> * <ul><li>0: Use SHA-512.</li>
* <li>1: Use SHA-224.</li></ul> * <li>1: Use SHA-224.</li></ul>
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha512_starts(mbedtls_sha512_context *ctx,
int is224 ); int is224);
/** /**
* \brief This function feeds an input buffer into an ongoing * \brief This function feeds an input buffer into an ongoing
@ -153,9 +153,9 @@ MBEDTLS_DEPRECATED void mbedtls_sha512_starts( mbedtls_sha512_context *ctx,
* \param input The buffer holding the data. * \param input The buffer holding the data.
* \param ilen The length of the input data. * \param ilen The length of the input data.
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha512_update( mbedtls_sha512_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha512_update(mbedtls_sha512_context *ctx,
const unsigned char *input, const unsigned char *input,
size_t ilen ); size_t ilen);
/** /**
* \brief This function finishes the SHA-512 operation, and writes * \brief This function finishes the SHA-512 operation, and writes
@ -166,8 +166,8 @@ MBEDTLS_DEPRECATED void mbedtls_sha512_update( mbedtls_sha512_context *ctx,
* \param ctx The SHA-512 context. * \param ctx The SHA-512 context.
* \param output The SHA-224or SHA-512 checksum result. * \param output The SHA-224or SHA-512 checksum result.
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha512_finish(mbedtls_sha512_context *ctx,
unsigned char output[64] ); unsigned char output[64]);
/** /**
* \brief This function processes a single data block within * \brief This function processes a single data block within
@ -179,8 +179,8 @@ MBEDTLS_DEPRECATED void mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
* \param ctx The SHA-512 context. * \param ctx The SHA-512 context.
* \param data The buffer holding one block of data. * \param data The buffer holding one block of data.
*/ */
MBEDTLS_DEPRECATED void mbedtls_sha512_process( mbedtls_sha512_context *ctx, MBEDTLS_DEPRECATED void mbedtls_sha512_process(mbedtls_sha512_context *ctx,
const unsigned char data[128] ); const unsigned char data[128]);
#undef MBEDTLS_DEPRECATED #undef MBEDTLS_DEPRECATED
#endif /* !MBEDTLS_DEPRECATED_REMOVED */ #endif /* !MBEDTLS_DEPRECATED_REMOVED */