diff options
Diffstat (limited to 'src/securerom/sha512.C')
| -rw-r--r-- | src/securerom/sha512.C | 681 |
1 files changed, 300 insertions, 381 deletions
diff --git a/src/securerom/sha512.C b/src/securerom/sha512.C index 820ead264..9ec230f4f 100644 --- a/src/securerom/sha512.C +++ b/src/securerom/sha512.C @@ -30,105 +30,100 @@ #include <stdlib.h> #include <stdio.h> #include <stdint.h> -#include <sha512.h> +#include <securerom/sha512.H> /* Initial hash value HASH(32byte) for SHA-512 */ -const uint64_t sha512_initial_hash_value[8] = { - 0x6a09e667f3bcc908ULL, - 0xbb67ae8584caa73bULL, - 0x3c6ef372fe94f82bULL, - 0xa54ff53a5f1d36f1ULL, - 0x510e527fade682d1ULL, - 0x9b05688c2b3e6c1fULL, - 0x1f83d9abfb41bd6bULL, - 0x5be0cd19137e2179ULL +extern "C" +const uint64_t sha512_initial_hash_value[8] = +{ + 0x6a09e667f3bcc908ULL, + 0xbb67ae8584caa73bULL, + 0x3c6ef372fe94f82bULL, + 0xa54ff53a5f1d36f1ULL, + 0x510e527fade682d1ULL, + 0x9b05688c2b3e6c1fULL, + 0x1f83d9abfb41bd6bULL, + 0x5be0cd19137e2179ULL }; /* Hash constant words K for SHA-384 and SHA-512: */ -const uint64_t K512[80] = { - 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, - 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, - 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, - 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, - 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, - 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, - 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, - 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, - 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, - 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, - 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, - 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, - 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, - 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, - 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, - 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, - 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, - 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, - 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, - 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, - 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, - 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, - 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, - 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, - 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, - 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, - 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, - 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, - 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, - 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, - 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, - 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, - 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, - 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, - 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, - 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, - 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, - 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, - 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, - 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL +extern "C" +const uint64_t K512[80] = +{ + 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, + 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, + 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, + 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, + 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, + 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, + 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, + 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, + 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, + 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, + 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, + 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, + 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, + 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, + 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, + 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, + 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, + 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, + 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, + 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, + 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, + 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, + 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, + 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, + 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, + 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, + 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, + 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, + 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, + 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, + 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, + 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, + 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, + 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, + 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, + 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, + 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, + 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, + 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, + 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL }; - - -#define SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16) - - +#define SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16) /* * Macro for incrementally adding the unsigned 64-bit integer n to the * unsigned 128-bit integer (represented using a two-element array of * 64-bit words): */ -#define ADDINC128(w,n) { \ - (w)[0] += (uint64_t)(n); \ - if ((w)[0] < (n)) { \ - (w)[1]++; \ - } \ +#define ADDINC128(w,n) \ +{ \ + (w)[0] += (uint64_t)(n); \ + if ((w)[0] < (n)) \ + { \ + (w)[1]++; \ + } \ } - - /* Shift-right (used in SHA-512): */ -#define R(b,x) ((x) >> (b)) - +#define R(b,x) ((x) >> (b)) /* 64-bit Rotate-right (used in SHA-512): */ -#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b)))) - - +#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b)))) /* Two of six logical functions used in SHA-512: */ -#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) -#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) - - +#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) +#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) /* Four of six logical functions used in SHA-512: */ -#define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x))) -#define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x))) -#define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x))) -#define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x))) +#define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x))) +#define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x))) +#define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x))) +#define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x))) static void SHA512_Last(SHA512_CTX*); static void SHA512_Transform(SHA512_CTX*, const uint64_t *); @@ -137,346 +132,270 @@ static void SHA512_Transform(SHA512_CTX*, const uint64_t *); * Constant used by SHA256/384/512_End() functions for converting the * digest to a readable hexadecimal character string: */ - -static inline void bcopy(const void * SRC, void* DST, size_t length){ +static inline void bcopy(const void * SRC, void* DST, size_t length) +{ unsigned char * source = (unsigned char *) SRC; unsigned char * destination = (unsigned char *) DST; - for( ; length ; length--){ + for( ; length ; length--) + { *destination++ = *source++; } } static inline void bzero(void * DST, size_t length){ unsigned char * destination = (unsigned char *) DST; - for( ; length ; length--){ + for( ; length ; length--) + { *destination++=0x00; } } -// unused: -//static inline int tstrlen(const void * SRC){ -// unsigned char * source = (unsigned char *) SRC; -// int length=0; -// while(source[length]!=0x00){ -// length++; -// } -// return length; -//} - - /*** SHA-512: *********************************************************/ asm(".globl .L.SHA512_Init"); -void SHA512_Init(SHA512_CTX* context) { - if (context == (SHA512_CTX*)0) { - return; - } - - uint64_t* sha512_initial_hash_value_p; - #ifdef EMULATE_HW - sha512_initial_hash_value_p = sha512_initial_hash_value; - #else - //selftest_p = &selftest; //this line would introduce a absolute address in the toc - asm volatile("li %0,(__toc_start)@l ### %0 := base+0x8000 \n\t" // because li does not work - "sub %0,r2,%0 \n\t" // because subi does not work - "addi %0,%0,(sha512_initial_hash_value-0x8000)@l" : "=r" (sha512_initial_hash_value_p) ); - #endif - - bcopy(sha512_initial_hash_value_p, context->state, SHA512_DIGEST_LENGTH); - bzero(context->buffer, SHA512_BLOCK_LENGTH); - context->bitcount[0] = context->bitcount[1] = 0; -} +void SHA512_Init(SHA512_CTX* context) +{ + if (context == (SHA512_CTX*)0) + { + return; + } + uint64_t* sha512_initial_hash_value_p; +#ifdef EMULATE_HW + sha512_initial_hash_value_p = sha512_initial_hash_value; +#else + asm volatile("li %0,(__toc_start)@l ### %0 := base+0x8000 \n\t" // because li does not work + "sub %0,2,%0 \n\t" // because subi does not work + "addi %0,%0,(sha512_initial_hash_value-0x8000)@l" : "=r" (sha512_initial_hash_value_p) ); +#endif -static void SHA512_Transform(SHA512_CTX* context, const uint64_t* data) { - uint64_t a, b, c, d, e, f, g, h, s0, s1; - uint64_t T1, T2, *W512 = (uint64_t*)context->buffer; - int j; - - uint64_t* K512_p; - #ifdef EMULATE_HW - K512_p = K512; - #else - //selftest_p = &selftest; //this line would introduce a absolute address in the toc - asm volatile("li %0,(__toc_start)@l ### %0 := base+0x8000 \n\t" // because li does not work - "sub %0,r2,%0 \n\t" // because subi does not work - "addi %0,%0,(K512-0x8000)@l" : "=r" (K512_p) ); - #endif - - /* Initialize registers with the prev. intermediate value */ - a = context->state[0]; - b = context->state[1]; - c = context->state[2]; - d = context->state[3]; - e = context->state[4]; - f = context->state[5]; - g = context->state[6]; - h = context->state[7]; - - j = 0; - do { - /* Apply the SHA-512 compression function to update a..h with copy */ - T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512_p[j] + (W512[j] = *data++); - T2 = Sigma0_512(a) + Maj(a, b, c); - h = g; - g = f; - f = e; - e = d + T1; - d = c; - c = b; - b = a; - a = T1 + T2; - - j++; - } while (j < 16); - - do { - /* Part of the message block expansion: */ - s0 = W512[(j+1)&0x0f]; - s0 = sigma0_512(s0); - s1 = W512[(j+14)&0x0f]; - s1 = sigma1_512(s1); - - /* Apply the SHA-512 compression function to update a..h */ - T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512_p[j] + - (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); - T2 = Sigma0_512(a) + Maj(a, b, c); - h = g; - g = f; - f = e; - e = d + T1; - d = c; - c = b; - b = a; - a = T1 + T2; - - j++; - } while (j < 80); - - /* Compute the current intermediate hash value */ - context->state[0] += a; - context->state[1] += b; - context->state[2] += c; - context->state[3] += d; - context->state[4] += e; - context->state[5] += f; - context->state[6] += g; - context->state[7] += h; - - /* Clean up */ - a = b = c = d = e = f = g = h = T1 = T2 = 0; + bcopy(sha512_initial_hash_value_p, context->state, SHA512_DIGEST_LENGTH); + bzero(context->buffer, SHA512_BLOCK_LENGTH); + context->bitcount[0] = context->bitcount[1] = 0; } +static void SHA512_Transform(SHA512_CTX* context, const uint64_t* data) +{ + uint64_t a, b, c, d, e, f, g, h, s0, s1; + uint64_t T1, T2, *W512 = (uint64_t*)context->buffer; + int j; + + uint64_t* K512_p; +#ifdef EMULATE_HW + K512_p = K512; +#else + asm volatile("li %0,(__toc_start)@l ### %0 := base+0x8000 \n\t" // because li does not work + "sub %0,2,%0 \n\t" // because subi does not work + "addi %0,%0,(K512-0x8000)@l" : "=r" (K512_p) ); +#endif + + /* Initialize registers with the prev. intermediate value */ + a = context->state[0]; + b = context->state[1]; + c = context->state[2]; + d = context->state[3]; + e = context->state[4]; + f = context->state[5]; + g = context->state[6]; + h = context->state[7]; + + j = 0; + do { + /* Apply the SHA-512 compression function to update a..h with copy */ + T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512_p[j] + (W512[j] = *data++); + T2 = Sigma0_512(a) + Maj(a, b, c); + h = g; + g = f; + f = e; + e = d + T1; + d = c; + c = b; + b = a; + a = T1 + T2; + + j++; + } while (j < 16); + + do { + /* Part of the message block expansion: */ + s0 = W512[(j+1)&0x0f]; + s0 = sigma0_512(s0); + s1 = W512[(j+14)&0x0f]; + s1 = sigma1_512(s1); + + /* Apply the SHA-512 compression function to update a..h */ + T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512_p[j] + + (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); + T2 = Sigma0_512(a) + Maj(a, b, c); + h = g; + g = f; + f = e; + e = d + T1; + d = c; + c = b; + b = a; + a = T1 + T2; + + j++; + } while (j < 80); + + /* Compute the current intermediate hash value */ + context->state[0] += a; + context->state[1] += b; + context->state[2] += c; + context->state[3] += d; + context->state[4] += e; + context->state[5] += f; + context->state[6] += g; + context->state[7] += h; + + /* Clean up */ + a = b = c = d = e = f = g = h = T1 = T2 = 0; +} + asm(".globl .L.SHA512_Update"); -void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) { - unsigned int freespace, usedspace; - - if (len == 0) { - /* Calling with no data is valid - we do nothing */ - return; - } - - /* Sanity check: */ - //assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0); - - usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; - if (usedspace > 0) { - /* Calculate how much free space is available in the buffer */ - freespace = SHA512_BLOCK_LENGTH - usedspace; - - if (len >= freespace) { - /* Fill the buffer completely and process it */ - bcopy(data, &context->buffer[usedspace], freespace); - ADDINC128(context->bitcount, freespace << 3); - len -= freespace; - data += freespace; - SHA512_Transform(context, (uint64_t*)context->buffer); - } else { - /* The buffer is not yet full */ - bcopy(data, &context->buffer[usedspace], len); - ADDINC128(context->bitcount, len << 3); - /* Clean up: */ - usedspace = freespace = 0; - return; - } - } - while (len >= SHA512_BLOCK_LENGTH) { - /* Process as many complete blocks as we can */ - SHA512_Transform(context, (const uint64_t*)data); - ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3); - len -= SHA512_BLOCK_LENGTH; - data += SHA512_BLOCK_LENGTH; - } - if (len > 0) { - /* There's left-overs, so save 'em */ - bcopy(data, context->buffer, len); - ADDINC128(context->bitcount, len << 3); - } - /* Clean up: */ - usedspace = freespace = 0; +void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) +{ + unsigned int freespace, usedspace; + + if (len == 0) + { + /* Calling with no data is valid - we do nothing */ + return; + } + + usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; + if (usedspace > 0) + { + /* Calculate how much free space is available in the buffer */ + freespace = SHA512_BLOCK_LENGTH - usedspace; + + if (len >= freespace) + { + /* Fill the buffer completely and process it */ + bcopy(data, &context->buffer[usedspace], freespace); + ADDINC128(context->bitcount, freespace << 3); + len -= freespace; + data += freespace; + SHA512_Transform(context, (uint64_t*)context->buffer); + } + else + { + /* The buffer is not yet full */ + bcopy(data, &context->buffer[usedspace], len); + ADDINC128(context->bitcount, len << 3); + /* Clean up: */ + usedspace = freespace = 0; + return; + } + } + while (len >= SHA512_BLOCK_LENGTH) + { + /* Process as many complete blocks as we can */ + SHA512_Transform(context, (const uint64_t*)data); + ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3); + len -= SHA512_BLOCK_LENGTH; + data += SHA512_BLOCK_LENGTH; + } + if (len > 0) + { + /* There's left-overs, so save 'em */ + bcopy(data, context->buffer, len); + ADDINC128(context->bitcount, len << 3); + } + /* Clean up: */ + usedspace = freespace = 0; } -static void SHA512_Last(SHA512_CTX* context) { - unsigned int usedspace; +static void SHA512_Last(SHA512_CTX* context) +{ + unsigned int usedspace; - usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; - if (usedspace > 0) { - /* Begin padding with a 1 bit: */ - context->buffer[usedspace++] = 0x80; + usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; + if (usedspace > 0) + { + /* Begin padding with a 1 bit: */ + context->buffer[usedspace++] = 0x80; #if SHA512_FIX - if (usedspace < SHA512_SHORT_BLOCK_LENGTH) { - /* Set-up for the last transform: */ - bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace); - } else if (usedspace > SHA512_SHORT_BLOCK_LENGTH) { - if (usedspace < SHA512_BLOCK_LENGTH) { - bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace); - } - /* Do second-to-last transform: */ - SHA512_Transform(context, (uint64_t*)context->buffer); - - /* And set-up for the last transform: */ - bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH); - } + if (usedspace < SHA512_SHORT_BLOCK_LENGTH) + { + /* Set-up for the last transform: */ + bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH + - usedspace); + } + else if (usedspace > SHA512_SHORT_BLOCK_LENGTH) + { + if (usedspace < SHA512_BLOCK_LENGTH) + { + bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH + - usedspace); + } + /* Do second-to-last transform: */ + SHA512_Transform(context, (uint64_t*)context->buffer); + + /* And set-up for the last transform: */ + bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH); + } #else - if (usedspace < SHA512_SHORT_BLOCK_LENGTH) { - /* Set-up for the last transform: */ - bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace); - } else { - if (usedspace < SHA512_BLOCK_LENGTH) { - bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace); - } - /* Do second-to-last transform: */ - SHA512_Transform(context, (uint64_t*)context->buffer); - - /* And set-up for the last transform: */ - bzero(context->buffer, SHA512_BLOCK_LENGTH - 2); - } + if (usedspace < SHA512_SHORT_BLOCK_LENGTH) + { + /* Set-up for the last transform: */ + bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH + - usedspace); + } + else + { + if (usedspace < SHA512_BLOCK_LENGTH) + { + bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH + - usedspace); + } + /* Do second-to-last transform: */ + SHA512_Transform(context, (uint64_t*)context->buffer); + + /* And set-up for the last transform: */ + bzero(context->buffer, SHA512_BLOCK_LENGTH - 2); + } #endif - } else { - /* Prepare for final transform: */ - bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH); - - /* Begin padding with a 1 bit: */ - *context->buffer = 0x80; - } - /* Store the length of input data (in bits): */ - *(uint64_t*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1]; - *(uint64_t*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0]; - - /* Final transform: */ - SHA512_Transform(context, (uint64_t*)context->buffer); + } + else + { + /* Prepare for final transform: */ + bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH); + + /* Begin padding with a 1 bit: */ + *context->buffer = 0x80; + } + /* Store the length of input data (in bits): */ + uint64_t* p1 = reinterpret_cast<uint64_t*>(&context->buffer[SHA512_SHORT_BLOCK_LENGTH]); + uint64_t* p2 = reinterpret_cast<uint64_t*>(&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8]); + *p1 = context->bitcount[1]; + *p2 = context->bitcount[0]; + + /* Final transform: */ + SHA512_Transform(context, (uint64_t*)context->buffer); } asm(".globl .L.SHA512_Final"); void SHA512_Final(SHA512_CTX* context, sha2_hash_t *result) { - /* Sanity check: */ - //assert(context != (SHA512_CTX*)0); + /* Sanity check: */ + //assert(context != (SHA512_CTX*)0); - /* If no digest buffer is passed, we don't bother doing this: */ - SHA512_Last(context); + /* If no digest buffer is passed, we don't bother doing this: */ + SHA512_Last(context); - /* Save the hash data for output: */ - bcopy(context->state, result, SHA512_DIGEST_LENGTH); + /* Save the hash data for output: */ + bcopy(context->state, result, SHA512_DIGEST_LENGTH); - /* Zero out state data */ - bzero(context, sizeof(context)); + /* Zero out state data */ + bzero(context, sizeof(context)); } asm(".globl .L.SHA512_Hash"); void SHA512_Hash(const sha2_byte* data, size_t len, sha2_hash_t *result) { - SHA512_CTX context; - - SHA512_Init(&context); - SHA512_Update(&context, data, len); - SHA512_Final(&context, result); -} - -/* -int main( void ){ - int i; - uint64_t hash[8] = {}; - const sha2_byte text[]={"The quick brown fox jumps over the lazy dog"}; - - printf("SHA512 \"%s\"\n",text); - SHA512( text, tstrlen(text), hash ); - for (i = 0; i < SHA512_DIGEST_LENGTH; i++) { - printf("%02x", hash[i]); - if( (i&3) ==3) printf(" "); - if( (i&31) ==31) printf("\n"); - } - - const sha2_byte text2[]={""}; - printf("SHA512 \"%s\"\n",text2); - SHA512( text2, tstrlen(text2), hash ); - for (i = 0; i < SHA512_DIGEST_LENGTH; i++) { - printf("%02x", hash[i]); - if( (i&3) ==3) printf(" "); - if( (i&31) ==31) printf("\n"); - } + SHA512_CTX context; -} -*/ - -#if INCLUDE_SHA_TESTS -/****************************************************************************/ -static uint8_t SHA512_Input[] = "abc"; -static uint64_t SHA512_Result[] = { - 0xddaf35a193617abaull, 0xcc417349ae204131ull, 0x12e6fa4e89a97ea2ull, 0x0a9eeee64b55d39aull, - 0x2192992a274fc1a8ull, 0x36ba3c23a3feebbdull, 0x454d4423643ce80eull, 0x2a9ac94fa54ca49full, -}; -static uint8_t SHA512_Input2[] = - "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" - "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"; -static uint64_t SHA512_Result2[] = { - 0x8e959b75dae313daull, 0x8cf4f72814fc143full, 0x8f7779c6eb9f7fa1ull, 0x7299aeadb6889018ull, - 0x501d289e4900f7e4ull, 0x331b99dec4b5433aull, 0xc7d329eeb6dd2654ull, 0x5e96e55b874be909ull, -}; -#include <selftest.h> -/****************************************************************************/ -void SHA512_Test (void) -{ - SHA512 sha; - SHA512_Init (&sha); - SHA512_Update (&sha, SHA512_Input, 3); - SHA512_Finish (&sha, NULL); - if (memcmp((uint8_t*)sha.H, (uint8_t*)SHA512_Result, SHA512_DIGEST_SIZE)) { - printf ("SHA512 Test 1 FAILED with bad digest (\n"); - printf ("%016llx %016llx %016llx %016llx\n",sha.H[0],sha.H[1],sha.H[2],sha.H[3]); - printf ("%016llx %016llx %016llx %016llx\n",sha.H[4],sha.H[5],sha.H[6],sha.H[7]); - printf (")\n"); - } - else { - printf ("SHA512 Test 1 Complete\n"); - } - SHA512_Init (&sha); - SHA512_Update (&sha, SHA512_Input2, 112); - SHA512_Finish (&sha, NULL); - if (memcmp((uint8_t*)sha.H, (uint8_t*)SHA512_Result2, SHA512_DIGEST_SIZE)) { - printf ("SHA512 Test 2 FAILED with bad digest (\n"); - printf ("%016llx %016llx %016llx %016llx\n",sha.H[0],sha.H[1],sha.H[2],sha.H[3]); - printf ("%016llx %016llx %016llx %016llx\n",sha.H[4],sha.H[5],sha.H[6],sha.H[7]); - printf (")\n"); - } - else { - printf ("SHA512 Test 2 Complete\n"); - } - SHA512_Hash (&sha, (uint8_t*)&selftest.ec, sizeof(selftest.ec), NULL); - sha.H[0] = BE2HO_8(sha.H[0]); - sha.H[1] = BE2HO_8(sha.H[1]); - sha.H[2] = BE2HO_8(sha.H[2]); - sha.H[3] = BE2HO_8(sha.H[3]); - sha.H[4] = BE2HO_8(sha.H[4]); - sha.H[5] = BE2HO_8(sha.H[5]); - sha.H[6] = BE2HO_8(sha.H[6]); - sha.H[7] = BE2HO_8(sha.H[7]); - if (memcmp((uint8_t*)sha.H, selftest.sha.hash, SHA512_DIGEST_SIZE)) { - printf ("SHA512 Test 3 FAILED with bad digest (\n"); - printf ("%016llx %016llx %016llx %016llx\n",sha.H[0],sha.H[1],sha.H[2],sha.H[3]); - printf ("%016llx %016llx %016llx %016llx\n",sha.H[4],sha.H[5],sha.H[6],sha.H[7]); - printf (")\n"); - } - else { - printf ("SHA512 Test 3 Complete\n"); - } -} -#endif + SHA512_Init(&context); + SHA512_Update(&context, data, len); + SHA512_Final(&context, result); +}
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