VERSION=__git__
ifdef USE_ED25519
-LINK_ED25519=lib/ed25519.o
-INSTALL_ED25519=cp src/optional/ed25519.h $(DESTDIR)/$(PREFIX)/include
+LINK_ED25519=lib/monocypher-ed25519.o
+INSTALL_ED25519=cp src/optional/monocypher-ed25519.h $(DESTDIR)/$(PREFIX)/include
endif
.PHONY: all library static-library dynamic-library \
lib/$(SONAME): lib/monocypher.o $(LINK_ED25519)
@mkdir -p $(@D)
$(CC) $(CFLAGS) -shared -Wl,-soname,$(SONAME) -o $@ $^
-lib/ed25519.o : src/optional/ed25519.c src/optional/ed25519.h
+lib/monocypher-ed25519.o: src/optional/monocypher-ed25519.c \
+ src/optional/monocypher-ed25519.h
lib/chacha20.o : src/deprecated/chacha20.c src/deprecated/chacha20.h
lib/aead-incr.o : src/deprecated/aead-incr.c src/deprecated/aead-incr.h
lib/monocypher.o: src/monocypher.c src/monocypher.h
-lib/monocypher.o lib/ed25519.o lib/chacha20.o lib/aead-incr.o:
+lib/monocypher.o lib/monocypher-ed25519.o lib/chacha20.o lib/aead-incr.o:
@mkdir -p $(@D)
$(CC) $(CFLAGS) -I src -I src/optional -fPIC -c -o $@ $<
# Test & speed libraries
-TEST_COMMON = tests/utils.h src/monocypher.h src/optional/ed25519.h
+TEST_COMMON = tests/utils.h src/monocypher.h src/optional/monocypher-ed25519.h
TEST_LEGACY = $(TEST_COMMON) src/deprecated/chacha20.h src/deprecated/aead-incr.h
SPEED = tests/speed
lib/utils.o :tests/utils.c
-fPIC -c -o $@ $<
C25519= c25519 edsign ed25519 morph25519 fprime f25519 sha512
-C25519_SOURCE= $(patsubst %, tests/externals/c25519/%.c, $(C25519))
-C25519_HEADERS= $(patsubst %, tests/externals/c25519/%.h, $(C25519))
+C25519_H= $(patsubst %, tests/externals/c25519/%.h, $(C25519))
C25519_OBJECTS= $(patsubst %, lib/c25519/%.o, $(C25519))
-lib/c25519/c25519.o : tests/externals/c25519/c25519.c $(C25519_HEADERS)
-lib/c25519/ed25519.o : tests/externals/c25519/ed25519.c $(C25519_HEADERS)
-lib/c25519/edsign.o : tests/externals/c25519/edsign.c $(C25519_HEADERS)
-lib/c25519/f25519.o : tests/externals/c25519/f25519.c $(C25519_HEADERS)
-lib/c25519/fprime.o : tests/externals/c25519/fprime.c $(C25519_HEADERS)
-lib/c25519/morph25519.o: tests/externals/c25519/morph25519.c $(C25519_HEADERS)
-lib/c25519/sha512.o : tests/externals/c25519/sha512.c $(C25519_HEADERS)
+lib/c25519/c25519.o : tests/externals/c25519/c25519.c $(C25519_H)
+lib/c25519/ed25519.o : tests/externals/c25519/monocypher-ed25519.c $(C25519_H)
+lib/c25519/edsign.o : tests/externals/c25519/edsign.c $(C25519_H)
+lib/c25519/f25519.o : tests/externals/c25519/f25519.c $(C25519_H)
+lib/c25519/fprime.o : tests/externals/c25519/fprime.c $(C25519_H)
+lib/c25519/morph25519.o: tests/externals/c25519/morph25519.c $(C25519_H)
+lib/c25519/sha512.o : tests/externals/c25519/sha512.c $(C25519_H)
$(C25519_OBJECTS):
@mkdir -p $(@D)
$(CC) $(CFLAGS) -I tests/externals/c25519/ -c -o $@ $<
# test & speed executables
TEST_OBJ= lib/utils.o lib/monocypher.o
-test.out : lib/test.o $(TEST_OBJ) lib/ed25519.o
+test.out : lib/test.o $(TEST_OBJ) lib/monocypher-ed25519.o
test-legacy.out: lib/test-legacy.o $(TEST_OBJ) lib/chacha20.o lib/aead-incr.o
-speed.out : lib/speed.o $(TEST_OBJ) lib/ed25519.o
+speed.out : lib/speed.o $(TEST_OBJ) lib/monocypher-ed25519.o
test.out test-legacy.out speed.out:
$(CC) $(CFLAGS) -I src -I src/optional -o $@ $^
speed-sodium.out: lib/speed-sodium.o lib/utils.o
+++ /dev/null
-// Monocypher version __git__
-
-#include "ed25519.h"
-
-/////////////////
-/// Utilities ///
-/////////////////
-#define FOR(i, min, max) for (size_t i = min; i < max; i++)
-#define WIPE_CTX(ctx) crypto_wipe(ctx , sizeof(*(ctx)))
-#define MIN(a, b) ((a) <= (b) ? (a) : (b))
-#define ALIGN(x, block_size) ((~(x) + 1) & ((block_size) - 1))
-typedef uint8_t u8;
-typedef uint64_t u64;
-
-static u64 load64_be(const u8 s[8])
-{
- return((u64)s[0] << 56)
- | ((u64)s[1] << 48)
- | ((u64)s[2] << 40)
- | ((u64)s[3] << 32)
- | ((u64)s[4] << 24)
- | ((u64)s[5] << 16)
- | ((u64)s[6] << 8)
- | (u64)s[7];
-}
-
-static void store64_be(u8 out[8], u64 in)
-{
- out[0] = (in >> 56) & 0xff;
- out[1] = (in >> 48) & 0xff;
- out[2] = (in >> 40) & 0xff;
- out[3] = (in >> 32) & 0xff;
- out[4] = (in >> 24) & 0xff;
- out[5] = (in >> 16) & 0xff;
- out[6] = (in >> 8) & 0xff;
- out[7] = in & 0xff;
-}
-
-///////////////
-/// SHA 512 ///
-///////////////
-static u64 rot(u64 x, int c ) { return (x >> c) | (x << (64 - c)); }
-static u64 ch (u64 x, u64 y, u64 z) { return (x & y) ^ (~x & z); }
-static u64 maj(u64 x, u64 y, u64 z) { return (x & y) ^ ( x & z) ^ (y & z); }
-static u64 big_sigma0(u64 x) { return rot(x, 28) ^ rot(x, 34) ^ rot(x, 39); }
-static u64 big_sigma1(u64 x) { return rot(x, 14) ^ rot(x, 18) ^ rot(x, 41); }
-static u64 lit_sigma0(u64 x) { return rot(x, 1) ^ rot(x, 8) ^ (x >> 7); }
-static u64 lit_sigma1(u64 x) { return rot(x, 19) ^ rot(x, 61) ^ (x >> 6); }
-
-static const u64 K[80] = {
- 0x428a2f98d728ae22,0x7137449123ef65cd,0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc,
- 0x3956c25bf348b538,0x59f111f1b605d019,0x923f82a4af194f9b,0xab1c5ed5da6d8118,
- 0xd807aa98a3030242,0x12835b0145706fbe,0x243185be4ee4b28c,0x550c7dc3d5ffb4e2,
- 0x72be5d74f27b896f,0x80deb1fe3b1696b1,0x9bdc06a725c71235,0xc19bf174cf692694,
- 0xe49b69c19ef14ad2,0xefbe4786384f25e3,0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65,
- 0x2de92c6f592b0275,0x4a7484aa6ea6e483,0x5cb0a9dcbd41fbd4,0x76f988da831153b5,
- 0x983e5152ee66dfab,0xa831c66d2db43210,0xb00327c898fb213f,0xbf597fc7beef0ee4,
- 0xc6e00bf33da88fc2,0xd5a79147930aa725,0x06ca6351e003826f,0x142929670a0e6e70,
- 0x27b70a8546d22ffc,0x2e1b21385c26c926,0x4d2c6dfc5ac42aed,0x53380d139d95b3df,
- 0x650a73548baf63de,0x766a0abb3c77b2a8,0x81c2c92e47edaee6,0x92722c851482353b,
- 0xa2bfe8a14cf10364,0xa81a664bbc423001,0xc24b8b70d0f89791,0xc76c51a30654be30,
- 0xd192e819d6ef5218,0xd69906245565a910,0xf40e35855771202a,0x106aa07032bbd1b8,
- 0x19a4c116b8d2d0c8,0x1e376c085141ab53,0x2748774cdf8eeb99,0x34b0bcb5e19b48a8,
- 0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb,0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3,
- 0x748f82ee5defb2fc,0x78a5636f43172f60,0x84c87814a1f0ab72,0x8cc702081a6439ec,
- 0x90befffa23631e28,0xa4506cebde82bde9,0xbef9a3f7b2c67915,0xc67178f2e372532b,
- 0xca273eceea26619c,0xd186b8c721c0c207,0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178,
- 0x06f067aa72176fba,0x0a637dc5a2c898a6,0x113f9804bef90dae,0x1b710b35131c471b,
- 0x28db77f523047d84,0x32caab7b40c72493,0x3c9ebe0a15c9bebc,0x431d67c49c100d4c,
- 0x4cc5d4becb3e42b6,0x597f299cfc657e2a,0x5fcb6fab3ad6faec,0x6c44198c4a475817
-};
-
-static void sha512_compress(crypto_sha512_ctx *ctx)
-{
- u64 a = ctx->hash[0]; u64 b = ctx->hash[1];
- u64 c = ctx->hash[2]; u64 d = ctx->hash[3];
- u64 e = ctx->hash[4]; u64 f = ctx->hash[5];
- u64 g = ctx->hash[6]; u64 h = ctx->hash[7];
-
- FOR (j, 0, 16) {
- u64 in = K[j] + ctx->input[j];
- u64 t1 = big_sigma1(e) + ch (e, f, g) + h + in;
- u64 t2 = big_sigma0(a) + maj(a, b, c);
- h = g; g = f; f = e; e = d + t1;
- d = c; c = b; b = a; a = t1 + t2;
- }
- size_t i16 = 0;
- FOR(i, 1, 5) {
- i16 += 16;
- FOR (j, 0, 16) {
- ctx->input[j] += lit_sigma1(ctx->input[(j- 2) & 15]);
- ctx->input[j] += lit_sigma0(ctx->input[(j-15) & 15]);
- ctx->input[j] += ctx->input[(j- 7) & 15];
- u64 in = K[i16 + j] + ctx->input[j];
- u64 t1 = big_sigma1(e) + ch (e, f, g) + h + in;
- u64 t2 = big_sigma0(a) + maj(a, b, c);
- h = g; g = f; f = e; e = d + t1;
- d = c; c = b; b = a; a = t1 + t2;
- }
- }
-
- ctx->hash[0] += a; ctx->hash[1] += b;
- ctx->hash[2] += c; ctx->hash[3] += d;
- ctx->hash[4] += e; ctx->hash[5] += f;
- ctx->hash[6] += g; ctx->hash[7] += h;
-}
-
-static void sha512_set_input(crypto_sha512_ctx *ctx, u8 input)
-{
- if (ctx->input_idx == 0) {
- FOR (i, 0, 16) {
- ctx->input[i] = 0;
- }
- }
- size_t word = ctx->input_idx / 8;
- size_t byte = ctx->input_idx % 8;
- ctx->input[word] |= (u64)input << (8 * (7 - byte));
-}
-
-// increment a 128-bit "word".
-static void sha512_incr(u64 x[2], u64 y)
-{
- x[1] += y;
- if (x[1] < y) {
- x[0]++;
- }
-}
-
-static void sha512_end_block(crypto_sha512_ctx *ctx)
-{
- if (ctx->input_idx == 128) {
- sha512_incr(ctx->input_size, 1024); // size is in bits
- sha512_compress(ctx);
- ctx->input_idx = 0;
- }
-}
-
-static void sha512_update(crypto_sha512_ctx *ctx,
- const u8 *message, size_t message_size)
-{
- FOR (i, 0, message_size) {
- sha512_set_input(ctx, message[i]);
- ctx->input_idx++;
- sha512_end_block(ctx);
- }
-}
-
-void crypto_sha512_init(crypto_sha512_ctx *ctx)
-{
- ctx->hash[0] = 0x6a09e667f3bcc908;
- ctx->hash[1] = 0xbb67ae8584caa73b;
- ctx->hash[2] = 0x3c6ef372fe94f82b;
- ctx->hash[3] = 0xa54ff53a5f1d36f1;
- ctx->hash[4] = 0x510e527fade682d1;
- ctx->hash[5] = 0x9b05688c2b3e6c1f;
- ctx->hash[6] = 0x1f83d9abfb41bd6b;
- ctx->hash[7] = 0x5be0cd19137e2179;
- ctx->input_size[0] = 0;
- ctx->input_size[1] = 0;
- ctx->input_idx = 0;
-}
-
-void crypto_sha512_update(crypto_sha512_ctx *ctx,
- const u8 *message, size_t message_size)
-{
- // Align ourselves with block boundaries
- size_t align = MIN(ALIGN(ctx->input_idx, 128), message_size);
- sha512_update(ctx, message, align);
- message += align;
- message_size -= align;
-
- // Process the message block by block
- FOR (i, 0, message_size / 128) { // number of blocks
- FOR (j, 0, 16) {
- ctx->input[j] = load64_be(message + j*8);
- }
- message += 128;
- ctx->input_idx += 128;
- sha512_end_block(ctx);
- }
- message_size &= 127;
-
- // remaining bytes
- sha512_update(ctx, message, message_size);
-}
-
-void crypto_sha512_final(crypto_sha512_ctx *ctx, u8 hash[64])
-{
- sha512_incr(ctx->input_size, ctx->input_idx * 8); // size is in bits
- sha512_set_input(ctx, 128); // padding
-
- // compress penultimate block (if any)
- if (ctx->input_idx > 111) {
- sha512_compress(ctx);
- FOR(i, 0, 14) {
- ctx->input[i] = 0;
- }
- }
- // compress last block
- ctx->input[14] = ctx->input_size[0];
- ctx->input[15] = ctx->input_size[1];
- sha512_compress(ctx);
-
- // copy hash to output (big endian)
- FOR (i, 0, 8) {
- store64_be(hash + i*8, ctx->hash[i]);
- }
-
- WIPE_CTX(ctx);
-}
-
-void crypto_sha512(u8 hash[64], const u8 *message, size_t message_size)
-{
- crypto_sha512_ctx ctx;
- crypto_sha512_init (&ctx);
- crypto_sha512_update(&ctx, message, message_size);
- crypto_sha512_final (&ctx, hash);
-}
-
-static void sha512_vtable_init(void *ctx)
-{
- crypto_sha512_init(&((crypto_sign_ed25519_ctx*)ctx)->hash);
-}
-
-static void sha512_vtable_update(void *ctx, const u8 *m, size_t s)
-{
- crypto_sha512_update(&((crypto_sign_ed25519_ctx*)ctx)->hash, m, s);
-}
-
-static void sha512_vtable_final(void *ctx, u8 *h)
-{
- crypto_sha512_final(&((crypto_sign_ed25519_ctx*)ctx)->hash, h);
-}
-
-const crypto_sign_vtable crypto_sha512_vtable = {
- crypto_sha512,
- sha512_vtable_init,
- sha512_vtable_update,
- sha512_vtable_final,
- sizeof(crypto_sign_ed25519_ctx),
-};
-
-////////////////////
-/// HMAC SHA 512 ///
-////////////////////
-void crypto_hmac_sha512_init(crypto_hmac_sha512_ctx *ctx,
- const u8 *key, size_t key_size)
-{
- // hash key if it is too long
- if (key_size > 128) {
- crypto_sha512(ctx->key, key, key_size);
- key = ctx->key;
- key_size = 64;
- }
- // Compute inner key: padded key XOR 0x36
- FOR (i, 0, key_size) { ctx->key[i] = key[i] ^ 0x36; }
- FOR (i, key_size, 128) { ctx->key[i] = 0x36; }
- // Start computing inner hash
- crypto_sha512_init (&ctx->ctx);
- crypto_sha512_update(&ctx->ctx, ctx->key, 128);
-}
-
-void crypto_hmac_sha512_update(crypto_hmac_sha512_ctx *ctx,
- const u8 *message, size_t message_size)
-{
- crypto_sha512_update(&ctx->ctx, message, message_size);
-}
-
-void crypto_hmac_sha512_final(crypto_hmac_sha512_ctx *ctx, u8 hmac[64])
-{
- // Finish computing inner hash
- crypto_sha512_final(&ctx->ctx, hmac);
- // Compute outer key: padded key XOR 0x5c
- FOR (i, 0, 128) {
- ctx->key[i] ^= 0x36 ^ 0x5c;
- }
- // Compute outer hash
- crypto_sha512_init (&ctx->ctx);
- crypto_sha512_update(&ctx->ctx, ctx->key , 128);
- crypto_sha512_update(&ctx->ctx, hmac, 64);
- crypto_sha512_final (&ctx->ctx, hmac); // outer hash
- WIPE_CTX(ctx);
-}
-
-void crypto_hmac_sha512(u8 hmac[64], const u8 *key, size_t key_size,
- const u8 *message, size_t message_size)
-{
- crypto_hmac_sha512_ctx ctx;
- crypto_hmac_sha512_init (&ctx, key, key_size);
- crypto_hmac_sha512_update(&ctx, message, message_size);
- crypto_hmac_sha512_final (&ctx, hmac);
-}
-
-
-///////////////
-/// Ed25519 ///
-///////////////
-
-void crypto_ed25519_public_key(u8 public_key[32],
- const u8 secret_key[32])
-{
- crypto_sign_public_key_custom_hash(public_key, secret_key,
- &crypto_sha512_vtable);
-}
-
-void crypto_ed25519_sign_init_first_pass(crypto_sign_ctx_abstract *ctx,
- const u8 secret_key[32],
- const u8 public_key[32])
-{
- crypto_sign_init_first_pass_custom_hash(ctx, secret_key, public_key,
- &crypto_sha512_vtable);
-}
-
-void crypto_ed25519_check_init(crypto_check_ctx_abstract *ctx,
- const u8 signature[64],
- const u8 public_key[32])
-{
- crypto_check_init_custom_hash(ctx, signature, public_key,
- &crypto_sha512_vtable);
-}
-
-void crypto_ed25519_sign(u8 signature [64],
- const u8 secret_key[32],
- const u8 public_key[32],
- const u8 *message, size_t message_size)
-{
- crypto_sign_ed25519_ctx ctx;
- crypto_ed25519_sign_init_first_pass ((void*)&ctx, secret_key, public_key);
- crypto_ed25519_sign_update ((void*)&ctx, message, message_size);
- crypto_ed25519_sign_init_second_pass((void*)&ctx);
- crypto_ed25519_sign_update ((void*)&ctx, message, message_size);
- crypto_ed25519_sign_final ((void*)&ctx, signature);
-
-}
-
-int crypto_ed25519_check(const u8 signature [64],
- const u8 public_key[32],
- const u8 *message, size_t message_size)
-{
- crypto_check_ed25519_ctx ctx;
- crypto_ed25519_check_init((void*)&ctx, signature, public_key);
- crypto_ed25519_check_update((void*)&ctx, message, message_size);
- return crypto_ed25519_check_final((void*)&ctx);
-}
-
+++ /dev/null
-// Monocypher version __git__
-
-#ifndef ED25519_H
-#define ED25519_H
-
-#include "monocypher.h"
-
-////////////////////////
-/// Type definitions ///
-////////////////////////
-
-// Do not rely on the size or content on any of those types,
-// they may change without notice.
-typedef struct {
- uint64_t hash[8];
- uint64_t input[16];
- uint64_t input_size[2];
- size_t input_idx;
-} crypto_sha512_ctx;
-
-typedef struct {
- uint8_t key[128];
- crypto_sha512_ctx ctx;
-} crypto_hmac_sha512_ctx;
-
-typedef struct {
- crypto_sign_ctx_abstract ctx;
- crypto_sha512_ctx hash;
-} crypto_sign_ed25519_ctx;
-typedef crypto_sign_ed25519_ctx crypto_check_ed25519_ctx;
-
-// SHA 512
-// -------
-void crypto_sha512_init (crypto_sha512_ctx *ctx);
-void crypto_sha512_update(crypto_sha512_ctx *ctx,
- const uint8_t *message, size_t message_size);
-void crypto_sha512_final (crypto_sha512_ctx *ctx, uint8_t hash[64]);
-void crypto_sha512(uint8_t hash[64], const uint8_t *message, size_t message_size);
-
-// vtable for signatures
-extern const crypto_sign_vtable crypto_sha512_vtable;
-
-
-// HMAC SHA 512
-// ------------
-void crypto_hmac_sha512_init(crypto_hmac_sha512_ctx *ctx,
- const uint8_t *key, size_t key_size);
-void crypto_hmac_sha512_update(crypto_hmac_sha512_ctx *ctx,
- const uint8_t *message, size_t message_size);
-void crypto_hmac_sha512_final(crypto_hmac_sha512_ctx *ctx, uint8_t hmac[64]);
-void crypto_hmac_sha512(uint8_t hmac[64],
- const uint8_t *key , size_t key_size,
- const uint8_t *message, size_t message_size);
-
-
-// Ed25519
-// -------
-
-// Generate public key
-void crypto_ed25519_public_key(uint8_t public_key[32],
- const uint8_t secret_key[32]);
-
-// Direct interface
-void crypto_ed25519_sign(uint8_t signature [64],
- const uint8_t secret_key[32],
- const uint8_t public_key[32], // optional, may be 0
- const uint8_t *message, size_t message_size);
-int crypto_ed25519_check(const uint8_t signature [64],
- const uint8_t public_key[32],
- const uint8_t *message, size_t message_size);
-
-// Incremental interface
-void crypto_ed25519_sign_init_first_pass(crypto_sign_ctx_abstract *ctx,
- const uint8_t secret_key[32],
- const uint8_t public_key[32]);
-#define crypto_ed25519_sign_update crypto_sign_update
-#define crypto_ed25519_sign_init_second_pass crypto_sign_init_second_pass
-// use crypto_ed25519_sign_update() again.
-#define crypto_ed25519_sign_final crypto_sign_final
-
-void crypto_ed25519_check_init(crypto_check_ctx_abstract *ctx,
- const uint8_t signature[64],
- const uint8_t public_key[32]);
-#define crypto_ed25519_check_update crypto_check_update
-#define crypto_ed25519_check_final crypto_check_final
-
-
-#endif // ED25519_H