diff --git a/common/fips202.c b/common/fips202.c new file mode 100644 index 00000000..6dbfc6bb --- /dev/null +++ b/common/fips202.c @@ -0,0 +1,549 @@ +/* Based on the public domain implementation in + * crypto_hash/keccakc512/simple/ from http://bench.cr.yp.to/supercop.html + * by Ronny Van Keer + * and the public domain "TweetFips202" implementation + * from https://twitter.com/tweetfips202 + * by Gilles Van Assche, Daniel J. Bernstein, and Peter Schwabe */ + +#include +#include +#include "fips202.h" + +#define NROUNDS 24 +#define ROL(a, offset) ((a << offset) ^ (a >> (64-offset))) + +/************************************************* +* Name: load64 +* +* Description: Load 8 bytes into uint64_t in little-endian order +* +* Arguments: - const unsigned char *x: pointer to input byte array +* +* Returns the loaded 64-bit unsigned integer +**************************************************/ +static uint64_t load64(const unsigned char *x) +{ + unsigned long long r = 0, i; + + for (i = 0; i < 8; ++i) { + r |= (unsigned long long)x[i] << 8 * i; + } + return r; +} + +/************************************************* +* Name: store64 +* +* Description: Store a 64-bit integer to a byte array in little-endian order +* +* Arguments: - uint8_t *x: pointer to the output byte array +* - uint64_t u: input 64-bit unsigned integer +**************************************************/ +static void store64(uint8_t *x, uint64_t u) +{ + unsigned int i; + + for(i=0; i<8; ++i) { + x[i] = u; + u >>= 8; + } +} + +/* Keccak round constants */ +static const uint64_t KeccakF_RoundConstants[NROUNDS] = +{ + (uint64_t)0x0000000000000001ULL, + (uint64_t)0x0000000000008082ULL, + (uint64_t)0x800000000000808aULL, + (uint64_t)0x8000000080008000ULL, + (uint64_t)0x000000000000808bULL, + (uint64_t)0x0000000080000001ULL, + (uint64_t)0x8000000080008081ULL, + (uint64_t)0x8000000000008009ULL, + (uint64_t)0x000000000000008aULL, + (uint64_t)0x0000000000000088ULL, + (uint64_t)0x0000000080008009ULL, + (uint64_t)0x000000008000000aULL, + (uint64_t)0x000000008000808bULL, + (uint64_t)0x800000000000008bULL, + (uint64_t)0x8000000000008089ULL, + (uint64_t)0x8000000000008003ULL, + (uint64_t)0x8000000000008002ULL, + (uint64_t)0x8000000000000080ULL, + (uint64_t)0x000000000000800aULL, + (uint64_t)0x800000008000000aULL, + (uint64_t)0x8000000080008081ULL, + (uint64_t)0x8000000000008080ULL, + (uint64_t)0x0000000080000001ULL, + (uint64_t)0x8000000080008008ULL +}; + +/************************************************* +* Name: KeccakF1600_StatePermute +* +* Description: The Keccak F1600 Permutation +* +* Arguments: - uint64_t * state: pointer to in/output Keccak state +**************************************************/ +void KeccakF1600_StatePermute(uint64_t * state) +{ + int round; + + uint64_t Aba, Abe, Abi, Abo, Abu; + uint64_t Aga, Age, Agi, Ago, Agu; + uint64_t Aka, Ake, Aki, Ako, Aku; + uint64_t Ama, Ame, Ami, Amo, Amu; + uint64_t Asa, Ase, Asi, Aso, Asu; + uint64_t BCa, BCe, BCi, BCo, BCu; + uint64_t Da, De, Di, Do, Du; + uint64_t Eba, Ebe, Ebi, Ebo, Ebu; + uint64_t Ega, Ege, Egi, Ego, Egu; + uint64_t Eka, Eke, Eki, Eko, Eku; + uint64_t Ema, Eme, Emi, Emo, Emu; + uint64_t Esa, Ese, Esi, Eso, Esu; + + //copyFromState(A, state) + Aba = state[ 0]; + Abe = state[ 1]; + Abi = state[ 2]; + Abo = state[ 3]; + Abu = state[ 4]; + Aga = state[ 5]; + Age = state[ 6]; + Agi = state[ 7]; + Ago = state[ 8]; + Agu = state[ 9]; + Aka = state[10]; + Ake = state[11]; + Aki = state[12]; + Ako = state[13]; + Aku = state[14]; + Ama = state[15]; + Ame = state[16]; + Ami = state[17]; + Amo = state[18]; + Amu = state[19]; + Asa = state[20]; + Ase = state[21]; + Asi = state[22]; + Aso = state[23]; + Asu = state[24]; + + for( round = 0; round < NROUNDS; round += 2 ) + { + // prepareTheta + BCa = Aba^Aga^Aka^Ama^Asa; + BCe = Abe^Age^Ake^Ame^Ase; + BCi = Abi^Agi^Aki^Ami^Asi; + BCo = Abo^Ago^Ako^Amo^Aso; + BCu = Abu^Agu^Aku^Amu^Asu; + + //thetaRhoPiChiIotaPrepareTheta(round , A, E) + Da = BCu^ROL(BCe, 1); + De = BCa^ROL(BCi, 1); + Di = BCe^ROL(BCo, 1); + Do = BCi^ROL(BCu, 1); + Du = BCo^ROL(BCa, 1); + + Aba ^= Da; + BCa = Aba; + Age ^= De; + BCe = ROL(Age, 44); + Aki ^= Di; + BCi = ROL(Aki, 43); + Amo ^= Do; + BCo = ROL(Amo, 21); + Asu ^= Du; + BCu = ROL(Asu, 14); + Eba = BCa ^((~BCe)& BCi ); + Eba ^= (uint64_t)KeccakF_RoundConstants[round]; + Ebe = BCe ^((~BCi)& BCo ); + Ebi = BCi ^((~BCo)& BCu ); + Ebo = BCo ^((~BCu)& BCa ); + Ebu = BCu ^((~BCa)& BCe ); + + Abo ^= Do; + BCa = ROL(Abo, 28); + Agu ^= Du; + BCe = ROL(Agu, 20); + Aka ^= Da; + BCi = ROL(Aka, 3); + Ame ^= De; + BCo = ROL(Ame, 45); + Asi ^= Di; + BCu = ROL(Asi, 61); + Ega = BCa ^((~BCe)& BCi ); + Ege = BCe ^((~BCi)& BCo ); + Egi = BCi ^((~BCo)& BCu ); + Ego = BCo ^((~BCu)& BCa ); + Egu = BCu ^((~BCa)& BCe ); + + Abe ^= De; + BCa = ROL(Abe, 1); + Agi ^= Di; + BCe = ROL(Agi, 6); + Ako ^= Do; + BCi = ROL(Ako, 25); + Amu ^= Du; + BCo = ROL(Amu, 8); + Asa ^= Da; + BCu = ROL(Asa, 18); + Eka = BCa ^((~BCe)& BCi ); + Eke = BCe ^((~BCi)& BCo ); + Eki = BCi ^((~BCo)& BCu ); + Eko = BCo ^((~BCu)& BCa ); + Eku = BCu ^((~BCa)& BCe ); + + Abu ^= Du; + BCa = ROL(Abu, 27); + Aga ^= Da; + BCe = ROL(Aga, 36); + Ake ^= De; + BCi = ROL(Ake, 10); + Ami ^= Di; + BCo = ROL(Ami, 15); + Aso ^= Do; + BCu = ROL(Aso, 56); + Ema = BCa ^((~BCe)& BCi ); + Eme = BCe ^((~BCi)& BCo ); + Emi = BCi ^((~BCo)& BCu ); + Emo = BCo ^((~BCu)& BCa ); + Emu = BCu ^((~BCa)& BCe ); + + Abi ^= Di; + BCa = ROL(Abi, 62); + Ago ^= Do; + BCe = ROL(Ago, 55); + Aku ^= Du; + BCi = ROL(Aku, 39); + Ama ^= Da; + BCo = ROL(Ama, 41); + Ase ^= De; + BCu = ROL(Ase, 2); + Esa = BCa ^((~BCe)& BCi ); + Ese = BCe ^((~BCi)& BCo ); + Esi = BCi ^((~BCo)& BCu ); + Eso = BCo ^((~BCu)& BCa ); + Esu = BCu ^((~BCa)& BCe ); + + // prepareTheta + BCa = Eba^Ega^Eka^Ema^Esa; + BCe = Ebe^Ege^Eke^Eme^Ese; + BCi = Ebi^Egi^Eki^Emi^Esi; + BCo = Ebo^Ego^Eko^Emo^Eso; + BCu = Ebu^Egu^Eku^Emu^Esu; + + //thetaRhoPiChiIotaPrepareTheta(round+1, E, A) + Da = BCu^ROL(BCe, 1); + De = BCa^ROL(BCi, 1); + Di = BCe^ROL(BCo, 1); + Do = BCi^ROL(BCu, 1); + Du = BCo^ROL(BCa, 1); + + Eba ^= Da; + BCa = Eba; + Ege ^= De; + BCe = ROL(Ege, 44); + Eki ^= Di; + BCi = ROL(Eki, 43); + Emo ^= Do; + BCo = ROL(Emo, 21); + Esu ^= Du; + BCu = ROL(Esu, 14); + Aba = BCa ^((~BCe)& BCi ); + Aba ^= (uint64_t)KeccakF_RoundConstants[round+1]; + Abe = BCe ^((~BCi)& BCo ); + Abi = BCi ^((~BCo)& BCu ); + Abo = BCo ^((~BCu)& BCa ); + Abu = BCu ^((~BCa)& BCe ); + + Ebo ^= Do; + BCa = ROL(Ebo, 28); + Egu ^= Du; + BCe = ROL(Egu, 20); + Eka ^= Da; + BCi = ROL(Eka, 3); + Eme ^= De; + BCo = ROL(Eme, 45); + Esi ^= Di; + BCu = ROL(Esi, 61); + Aga = BCa ^((~BCe)& BCi ); + Age = BCe ^((~BCi)& BCo ); + Agi = BCi ^((~BCo)& BCu ); + Ago = BCo ^((~BCu)& BCa ); + Agu = BCu ^((~BCa)& BCe ); + + Ebe ^= De; + BCa = ROL(Ebe, 1); + Egi ^= Di; + BCe = ROL(Egi, 6); + Eko ^= Do; + BCi = ROL(Eko, 25); + Emu ^= Du; + BCo = ROL(Emu, 8); + Esa ^= Da; + BCu = ROL(Esa, 18); + Aka = BCa ^((~BCe)& BCi ); + Ake = BCe ^((~BCi)& BCo ); + Aki = BCi ^((~BCo)& BCu ); + Ako = BCo ^((~BCu)& BCa ); + Aku = BCu ^((~BCa)& BCe ); + + Ebu ^= Du; + BCa = ROL(Ebu, 27); + Ega ^= Da; + BCe = ROL(Ega, 36); + Eke ^= De; + BCi = ROL(Eke, 10); + Emi ^= Di; + BCo = ROL(Emi, 15); + Eso ^= Do; + BCu = ROL(Eso, 56); + Ama = BCa ^((~BCe)& BCi ); + Ame = BCe ^((~BCi)& BCo ); + Ami = BCi ^((~BCo)& BCu ); + Amo = BCo ^((~BCu)& BCa ); + Amu = BCu ^((~BCa)& BCe ); + + Ebi ^= Di; + BCa = ROL(Ebi, 62); + Ego ^= Do; + BCe = ROL(Ego, 55); + Eku ^= Du; + BCi = ROL(Eku, 39); + Ema ^= Da; + BCo = ROL(Ema, 41); + Ese ^= De; + BCu = ROL(Ese, 2); + Asa = BCa ^((~BCe)& BCi ); + Ase = BCe ^((~BCi)& BCo ); + Asi = BCi ^((~BCo)& BCu ); + Aso = BCo ^((~BCu)& BCa ); + Asu = BCu ^((~BCa)& BCe ); + } + + //copyToState(state, A) + state[ 0] = Aba; + state[ 1] = Abe; + state[ 2] = Abi; + state[ 3] = Abo; + state[ 4] = Abu; + state[ 5] = Aga; + state[ 6] = Age; + state[ 7] = Agi; + state[ 8] = Ago; + state[ 9] = Agu; + state[10] = Aka; + state[11] = Ake; + state[12] = Aki; + state[13] = Ako; + state[14] = Aku; + state[15] = Ama; + state[16] = Ame; + state[17] = Ami; + state[18] = Amo; + state[19] = Amu; + state[20] = Asa; + state[21] = Ase; + state[22] = Asi; + state[23] = Aso; + state[24] = Asu; + + #undef round +} + +#include +#define MIN(a, b) ((a) < (b) ? (a) : (b)) + + +/************************************************* +* Name: keccak_absorb +* +* Description: Absorb step of Keccak; +* non-incremental, starts by zeroeing the state. +* +* Arguments: - uint64_t *s: pointer to (uninitialized) output Keccak state +* - unsigned int r: rate in bytes (e.g., 168 for SHAKE128) +* - const unsigned char *m: pointer to input to be absorbed into s +* - unsigned long long mlen: length of input in bytes +* - unsigned char p: domain-separation byte for different Keccak-derived functions +**************************************************/ +static void keccak_absorb(uint64_t *s, + unsigned int r, + const unsigned char *m, unsigned long long int mlen, + unsigned char p) +{ + unsigned long long i; + unsigned char t[200]; + + // Zero state + for (i = 0; i < 25; ++i) + s[i] = 0; + + while (mlen >= r) + { + for (i = 0; i < r / 8; ++i) + s[i] ^= load64(m + 8 * i); + + KeccakF1600_StatePermute(s); + mlen -= r; + m += r; + } + + for (i = 0; i < r; ++i) + t[i] = 0; + for (i = 0; i < mlen; ++i) + t[i] = m[i]; + t[i] = p; + t[r - 1] |= 128; + for (i = 0; i < r / 8; ++i) + s[i] ^= load64(t + 8 * i); +} + + +/************************************************* +* Name: keccak_squeezeblocks +* +* Description: Squeeze step of Keccak. Squeezes full blocks of r bytes each. +* Modifies the state. Can be called multiple times to keep squeezing, +* i.e., is incremental. +* +* Arguments: - unsigned char *h: pointer to output blocks +* - unsigned long long int nblocks: number of blocks to be squeezed (written to h) +* - uint64_t *s: pointer to in/output Keccak state +* - unsigned int r: rate in bytes (e.g., 168 for SHAKE128) +**************************************************/ +static void keccak_squeezeblocks(unsigned char *h, unsigned long long int nblocks, + uint64_t *s, + unsigned int r) +{ + unsigned int i; + while(nblocks > 0) + { + KeccakF1600_StatePermute(s); + for(i=0;i<(r>>3);i++) + { + store64(h+8*i, s[i]); + } + h += r; + nblocks--; + } +} + + +/************************************************* +* Name: shake128_absorb +* +* Description: Absorb step of the SHAKE128 XOF. +* non-incremental, starts by zeroeing the state. +* +* Arguments: - uint64_t *s: pointer to (uninitialized) output Keccak state +* - const unsigned char *input: pointer to input to be absorbed into s +* - unsigned long long inputByteLen: length of input in bytes +**************************************************/ +void shake128_absorb(uint64_t *s, const unsigned char *input, unsigned int inputByteLen) +{ + keccak_absorb(s, SHAKE128_RATE, input, inputByteLen, 0x1F); +} + +/************************************************* +* Name: shake128_squeezeblocks +* +* Description: Squeeze step of SHAKE128 XOF. Squeezes full blocks of SHAKE128_RATE bytes each. +* Modifies the state. Can be called multiple times to keep squeezing, +* i.e., is incremental. +* +* Arguments: - unsigned char *output: pointer to output blocks +* - unsigned long long nblocks: number of blocks to be squeezed (written to output) +* - uint64_t *s: pointer to in/output Keccak state +**************************************************/ +void shake128_squeezeblocks(unsigned char *output, unsigned long long nblocks, uint64_t *s) +{ + keccak_squeezeblocks(output, nblocks, s, SHAKE128_RATE); +} + +/************************************************* +* Name: shake256 +* +* Description: SHAKE256 XOF with non-incremental API +* +* Arguments: - unsigned char *output: pointer to output +* - unsigned long long outlen: requested output length in bytes + - const unsigned char *input: pointer to input + - unsigned long long inlen: length of input in bytes +**************************************************/ +void shake256(unsigned char *output, unsigned long long outlen, + const unsigned char *input, unsigned long long inlen) +{ + uint64_t s[25]; + unsigned char t[SHAKE256_RATE]; + unsigned long long nblocks = outlen/SHAKE256_RATE; + size_t i; + + /* Absorb input */ + keccak_absorb(s, SHAKE256_RATE, input, inlen, 0x1F); + + /* Squeeze output */ + keccak_squeezeblocks(output, nblocks, s, SHAKE256_RATE); + + output+=nblocks*SHAKE256_RATE; + outlen-=nblocks*SHAKE256_RATE; + + if(outlen) + { + keccak_squeezeblocks(t, 1, s, SHAKE256_RATE); + for(i=0;i + +#define SHAKE128_RATE 168 +#define SHAKE256_RATE 136 +#define SHA3_256_RATE 136 +#define SHA3_512_RATE 72 + +void shake128_absorb(uint64_t *s, const unsigned char *input, unsigned int inputByteLen); +void shake128_squeezeblocks(unsigned char *output, unsigned long long nblocks, uint64_t *s); + +void shake256(unsigned char *output, unsigned long long outlen, const unsigned char *input, unsigned long long inlen); +void sha3_256(unsigned char *output, const unsigned char *input, unsigned long long inlen); +void sha3_512(unsigned char *output, const unsigned char *input, unsigned long long inlen); + +#endif diff --git a/common/randombytes.c b/common/randombytes.c new file mode 100644 index 00000000..2ddbc125 --- /dev/null +++ b/common/randombytes.c @@ -0,0 +1,46 @@ +#include +#include "randombytes.h" + +static uint32_t seed[32] = { 3,1,4,1,5,9,2,6,5,3,5,8,9,7,9,3,2,3,8,4,6,2,6,4,3,3,8,3,2,7,9,5 } ; +static uint32_t in[12]; +static uint32_t out[8]; +static int32_t outleft = 0; + +#define ROTATE(x,b) (((x) << (b)) | ((x) >> (32 - (b)))) +#define MUSH(i,b) x = t[i] += (((x ^ seed[i]) + sum) ^ ROTATE(x,b)); + +static void surf(void) +{ + uint32_t t[12]; uint32_t x; uint32_t sum = 0; + int32_t r; int32_t i; int32_t loop; + + for (i = 0;i < 12;++i) t[i] = in[i] ^ seed[12 + i]; + for (i = 0;i < 8;++i) out[i] = seed[24 + i]; + x = t[11]; + for (loop = 0;loop < 2;++loop) { + for (r = 0;r < 16;++r) { + sum += 0x9e3779b9; + MUSH(0,5) MUSH(1,7) MUSH(2,9) MUSH(3,13) + MUSH(4,5) MUSH(5,7) MUSH(6,9) MUSH(7,13) + MUSH(8,5) MUSH(9,7) MUSH(10,9) MUSH(11,13) + } + for (i = 0;i < 8;++i) out[i] ^= t[i + 4]; + } +} + +void randombytes(uint8_t *x,uint64_t xlen) +{ + uint64_t bak = xlen; + uint8_t *xbak = x; + + while (xlen > 0) { + if (!outleft) { + if (!++in[0]) if (!++in[1]) if (!++in[2]) ++in[3]; + surf(); + outleft = 8; + } + *x = out[--outleft]; + ++x; + --xlen; + } +} diff --git a/common/randombytes.h b/common/randombytes.h new file mode 100644 index 00000000..e79726c2 --- /dev/null +++ b/common/randombytes.h @@ -0,0 +1,7 @@ +#include +#ifndef RANDOMBYTES_H +#define RANDOMBYTES_H + +void randombytes(uint8_t *x,uint64_t xlen); + +#endif diff --git a/common/sha2.c b/common/sha2.c new file mode 100644 index 00000000..c6bae790 --- /dev/null +++ b/common/sha2.c @@ -0,0 +1,363 @@ +/* Based on the public domain implementation in + * crypto_hash/sha512/ref/ from http://bench.cr.yp.to/supercop.html + * by D. J. Bernstein */ + +#include "sha2.h" + +typedef unsigned long long uint64; + +static uint64 load_bigendian(const unsigned char *x) +{ + return + (uint64) (x[7]) \ + | (((uint64) (x[6])) << 8) \ + | (((uint64) (x[5])) << 16) \ + | (((uint64) (x[4])) << 24) \ + | (((uint64) (x[3])) << 32) \ + | (((uint64) (x[2])) << 40) \ + | (((uint64) (x[1])) << 48) \ + | (((uint64) (x[0])) << 56) + ; +} + +static void store_bigendian(unsigned char *x,uint64 u) +{ + x[7] = u; u >>= 8; + x[6] = u; u >>= 8; + x[5] = u; u >>= 8; + x[4] = u; u >>= 8; + x[3] = u; u >>= 8; + x[2] = u; u >>= 8; + x[1] = u; u >>= 8; + x[0] = u; +} + +#define SHR(x,c) ((x) >> (c)) +#define ROTR(x,c) (((x) >> (c)) | ((x) << (64 - (c)))) + +#define Ch(x,y,z) ((x & y) ^ (~x & z)) +#define Maj(x,y,z) ((x & y) ^ (x & z) ^ (y & z)) +#define Sigma0(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39)) +#define Sigma1(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41)) +#define sigma0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x,7)) +#define sigma1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x,6)) + +#define M(w0,w14,w9,w1) w0 = sigma1(w14) + w9 + sigma0(w1) + w0; + +#define EXPAND \ + M(w0 ,w14,w9 ,w1 ) \ + M(w1 ,w15,w10,w2 ) \ + M(w2 ,w0 ,w11,w3 ) \ + M(w3 ,w1 ,w12,w4 ) \ + M(w4 ,w2 ,w13,w5 ) \ + M(w5 ,w3 ,w14,w6 ) \ + M(w6 ,w4 ,w15,w7 ) \ + M(w7 ,w5 ,w0 ,w8 ) \ + M(w8 ,w6 ,w1 ,w9 ) \ + M(w9 ,w7 ,w2 ,w10) \ + M(w10,w8 ,w3 ,w11) \ + M(w11,w9 ,w4 ,w12) \ + M(w12,w10,w5 ,w13) \ + M(w13,w11,w6 ,w14) \ + M(w14,w12,w7 ,w15) \ + M(w15,w13,w8 ,w0 ) + +#define F(w,k) \ + T1 = h + Sigma1(e) + Ch(e,f,g) + k + w; \ + T2 = Sigma0(a) + Maj(a,b,c); \ + h = g; \ + g = f; \ + f = e; \ + e = d + T1; \ + d = c; \ + c = b; \ + b = a; \ + a = T1 + T2; + +static int crypto_hashblocks_sha512(unsigned char *statebytes,const unsigned char *in,unsigned long long inlen) +{ + uint64 state[8]; + uint64 a; + uint64 b; + uint64 c; + uint64 d; + uint64 e; + uint64 f; + uint64 g; + uint64 h; + uint64 T1; + uint64 T2; + + a = load_bigendian(statebytes + 0); state[0] = a; + b = load_bigendian(statebytes + 8); state[1] = b; + c = load_bigendian(statebytes + 16); state[2] = c; + d = load_bigendian(statebytes + 24); state[3] = d; + e = load_bigendian(statebytes + 32); state[4] = e; + f = load_bigendian(statebytes + 40); state[5] = f; + g = load_bigendian(statebytes + 48); state[6] = g; + h = load_bigendian(statebytes + 56); state[7] = h; + + while (inlen >= 128) { + uint64 w0 = load_bigendian(in + 0); + uint64 w1 = load_bigendian(in + 8); + uint64 w2 = load_bigendian(in + 16); + uint64 w3 = load_bigendian(in + 24); + uint64 w4 = load_bigendian(in + 32); + uint64 w5 = load_bigendian(in + 40); + uint64 w6 = load_bigendian(in + 48); + uint64 w7 = load_bigendian(in + 56); + uint64 w8 = load_bigendian(in + 64); + uint64 w9 = load_bigendian(in + 72); + uint64 w10 = load_bigendian(in + 80); + uint64 w11 = load_bigendian(in + 88); + uint64 w12 = load_bigendian(in + 96); + uint64 w13 = load_bigendian(in + 104); + uint64 w14 = load_bigendian(in + 112); + uint64 w15 = load_bigendian(in + 120); + + F(w0 ,0x428a2f98d728ae22ULL) + F(w1 ,0x7137449123ef65cdULL) + F(w2 ,0xb5c0fbcfec4d3b2fULL) + F(w3 ,0xe9b5dba58189dbbcULL) + F(w4 ,0x3956c25bf348b538ULL) + F(w5 ,0x59f111f1b605d019ULL) + F(w6 ,0x923f82a4af194f9bULL) + F(w7 ,0xab1c5ed5da6d8118ULL) + F(w8 ,0xd807aa98a3030242ULL) + F(w9 ,0x12835b0145706fbeULL) + F(w10,0x243185be4ee4b28cULL) + F(w11,0x550c7dc3d5ffb4e2ULL) + F(w12,0x72be5d74f27b896fULL) + F(w13,0x80deb1fe3b1696b1ULL) + F(w14,0x9bdc06a725c71235ULL) + F(w15,0xc19bf174cf692694ULL) + + EXPAND + + F(w0 ,0xe49b69c19ef14ad2ULL) + F(w1 ,0xefbe4786384f25e3ULL) + F(w2 ,0x0fc19dc68b8cd5b5ULL) + F(w3 ,0x240ca1cc77ac9c65ULL) + F(w4 ,0x2de92c6f592b0275ULL) + F(w5 ,0x4a7484aa6ea6e483ULL) + F(w6 ,0x5cb0a9dcbd41fbd4ULL) + F(w7 ,0x76f988da831153b5ULL) + F(w8 ,0x983e5152ee66dfabULL) + F(w9 ,0xa831c66d2db43210ULL) + F(w10,0xb00327c898fb213fULL) + F(w11,0xbf597fc7beef0ee4ULL) + F(w12,0xc6e00bf33da88fc2ULL) + F(w13,0xd5a79147930aa725ULL) + F(w14,0x06ca6351e003826fULL) + F(w15,0x142929670a0e6e70ULL) + + EXPAND + + F(w0 ,0x27b70a8546d22ffcULL) + F(w1 ,0x2e1b21385c26c926ULL) + F(w2 ,0x4d2c6dfc5ac42aedULL) + F(w3 ,0x53380d139d95b3dfULL) + F(w4 ,0x650a73548baf63deULL) + F(w5 ,0x766a0abb3c77b2a8ULL) + F(w6 ,0x81c2c92e47edaee6ULL) + F(w7 ,0x92722c851482353bULL) + F(w8 ,0xa2bfe8a14cf10364ULL) + F(w9 ,0xa81a664bbc423001ULL) + F(w10,0xc24b8b70d0f89791ULL) + F(w11,0xc76c51a30654be30ULL) + F(w12,0xd192e819d6ef5218ULL) + F(w13,0xd69906245565a910ULL) + F(w14,0xf40e35855771202aULL) + F(w15,0x106aa07032bbd1b8ULL) + + EXPAND + + F(w0 ,0x19a4c116b8d2d0c8ULL) + F(w1 ,0x1e376c085141ab53ULL) + F(w2 ,0x2748774cdf8eeb99ULL) + F(w3 ,0x34b0bcb5e19b48a8ULL) + F(w4 ,0x391c0cb3c5c95a63ULL) + F(w5 ,0x4ed8aa4ae3418acbULL) + F(w6 ,0x5b9cca4f7763e373ULL) + F(w7 ,0x682e6ff3d6b2b8a3ULL) + F(w8 ,0x748f82ee5defb2fcULL) + F(w9 ,0x78a5636f43172f60ULL) + F(w10,0x84c87814a1f0ab72ULL) + F(w11,0x8cc702081a6439ecULL) + F(w12,0x90befffa23631e28ULL) + F(w13,0xa4506cebde82bde9ULL) + F(w14,0xbef9a3f7b2c67915ULL) + F(w15,0xc67178f2e372532bULL) + + EXPAND + + F(w0 ,0xca273eceea26619cULL) + F(w1 ,0xd186b8c721c0c207ULL) + F(w2 ,0xeada7dd6cde0eb1eULL) + F(w3 ,0xf57d4f7fee6ed178ULL) + F(w4 ,0x06f067aa72176fbaULL) + F(w5 ,0x0a637dc5a2c898a6ULL) + F(w6 ,0x113f9804bef90daeULL) + F(w7 ,0x1b710b35131c471bULL) + F(w8 ,0x28db77f523047d84ULL) + F(w9 ,0x32caab7b40c72493ULL) + F(w10,0x3c9ebe0a15c9bebcULL) + F(w11,0x431d67c49c100d4cULL) + F(w12,0x4cc5d4becb3e42b6ULL) + F(w13,0x597f299cfc657e2aULL) + F(w14,0x5fcb6fab3ad6faecULL) + F(w15,0x6c44198c4a475817ULL) + + a += state[0]; + b += state[1]; + c += state[2]; + d += state[3]; + e += state[4]; + f += state[5]; + g += state[6]; + h += state[7]; + + state[0] = a; + state[1] = b; + state[2] = c; + state[3] = d; + state[4] = e; + state[5] = f; + state[6] = g; + state[7] = h; + + in += 128; + inlen -= 128; + } + + store_bigendian(statebytes + 0,state[0]); + store_bigendian(statebytes + 8,state[1]); + store_bigendian(statebytes + 16,state[2]); + store_bigendian(statebytes + 24,state[3]); + store_bigendian(statebytes + 32,state[4]); + store_bigendian(statebytes + 40,state[5]); + store_bigendian(statebytes + 48,state[6]); + store_bigendian(statebytes + 56,state[7]); + + return inlen; +} + +#define blocks crypto_hashblocks_sha512 + +static const unsigned char iv_384[64] = { + 0xcb,0xbb,0x9d,0x5d,0xc1,0x05,0x9e,0xd8, + 0x62,0x9a,0x29,0x2a,0x36,0x7c,0xd5,0x07, + 0x91,0x59,0x01,0x5a,0x30,0x70,0xdd,0x17, + 0x15,0x2f,0xec,0xd8,0xf7,0x0e,0x59,0x39, + 0x67,0x33,0x26,0x67,0xff,0xc0,0x0b,0x31, + 0x8e,0xb4,0x4a,0x87,0x68,0x58,0x15,0x11, + 0xdb,0x0c,0x2e,0x0d,0x64,0xf9,0x8f,0xa7, + 0x47,0xb5,0x48,0x1d,0xbe,0xfa,0x4f,0xa4 +}; + +static const unsigned char iv_512[64] = { + 0x6a,0x09,0xe6,0x67,0xf3,0xbc,0xc9,0x08, + 0xbb,0x67,0xae,0x85,0x84,0xca,0xa7,0x3b, + 0x3c,0x6e,0xf3,0x72,0xfe,0x94,0xf8,0x2b, + 0xa5,0x4f,0xf5,0x3a,0x5f,0x1d,0x36,0xf1, + 0x51,0x0e,0x52,0x7f,0xad,0xe6,0x82,0xd1, + 0x9b,0x05,0x68,0x8c,0x2b,0x3e,0x6c,0x1f, + 0x1f,0x83,0xd9,0xab,0xfb,0x41,0xbd,0x6b, + 0x5b,0xe0,0xcd,0x19,0x13,0x7e,0x21,0x79 +}; + +int sha384(unsigned char *out, const unsigned char *in, unsigned long long inlen) +{ + unsigned char h[64]; + unsigned char padded[256]; + unsigned int i; + unsigned long long bytes = inlen; + + for (i = 0;i < 64;++i) h[i] = iv_384[i]; + + blocks(h,in,inlen); + in += inlen; + inlen &= 127; + in -= inlen; + + for (i = 0;i < inlen;++i) padded[i] = in[i]; + padded[inlen] = 0x80; + + if (inlen < 112) { + for (i = inlen + 1;i < 119;++i) padded[i] = 0; + padded[119] = bytes >> 61; + padded[120] = bytes >> 53; + padded[121] = bytes >> 45; + padded[122] = bytes >> 37; + padded[123] = bytes >> 29; + padded[124] = bytes >> 21; + padded[125] = bytes >> 13; + padded[126] = bytes >> 5; + padded[127] = bytes << 3; + blocks(h,padded,128); + } else { + for (i = inlen + 1;i < 247;++i) padded[i] = 0; + padded[247] = bytes >> 61; + padded[248] = bytes >> 53; + padded[249] = bytes >> 45; + padded[250] = bytes >> 37; + padded[251] = bytes >> 29; + padded[252] = bytes >> 21; + padded[253] = bytes >> 13; + padded[254] = bytes >> 5; + padded[255] = bytes << 3; + blocks(h,padded,256); + } + + for (i = 0;i < 48;++i) out[i] = h[i]; + + return 0; +} + +int sha512(unsigned char *out, const unsigned char *in, unsigned long long inlen) +{ + unsigned char h[64]; + unsigned char padded[256]; + unsigned int i; + unsigned long long bytes = inlen; + + for (i = 0;i < 64;++i) h[i] = iv_512[i]; + + blocks(h,in,inlen); + in += inlen; + inlen &= 127; + in -= inlen; + + for (i = 0;i < inlen;++i) padded[i] = in[i]; + padded[inlen] = 0x80; + + if (inlen < 112) { + for (i = inlen + 1;i < 119;++i) padded[i] = 0; + padded[119] = bytes >> 61; + padded[120] = bytes >> 53; + padded[121] = bytes >> 45; + padded[122] = bytes >> 37; + padded[123] = bytes >> 29; + padded[124] = bytes >> 21; + padded[125] = bytes >> 13; + padded[126] = bytes >> 5; + padded[127] = bytes << 3; + blocks(h,padded,128); + } else { + for (i = inlen + 1;i < 247;++i) padded[i] = 0; + padded[247] = bytes >> 61; + padded[248] = bytes >> 53; + padded[249] = bytes >> 45; + padded[250] = bytes >> 37; + padded[251] = bytes >> 29; + padded[252] = bytes >> 21; + padded[253] = bytes >> 13; + padded[254] = bytes >> 5; + padded[255] = bytes << 3; + blocks(h,padded,256); + } + + for (i = 0;i < 64;++i) out[i] = h[i]; + + return 0; +} diff --git a/common/sha2.h b/common/sha2.h new file mode 100644 index 00000000..7959e61a --- /dev/null +++ b/common/sha2.h @@ -0,0 +1,9 @@ +#ifndef SHA2_H +#define SHA2_H + +int sha384(unsigned char *output, const unsigned char *input, unsigned long long inlen); +int sha512(unsigned char *output, const unsigned char *input, unsigned long long inlen); + +#endif + +