Heapster bugfixes for sha512 example

heapster-saw/examples/_CoqProject

@@ -30,3 +30,5 @@ clearbufs_gen.v
 clearbufs_proofs.v
 mbox_gen.v
 mbox_proofs.v
+#sha512_gen.v
+#sha512_proofs.v

heapster-saw/examples/sha512.c

@@ -0,0 +1,288 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+// First simplication of sha512_block_data_order
+
+static inline uint64_t SIMPL1_CRYPTO_load_u64_be(const void *ptr) {
+  uint64_t ret;
+  memcpy(&ret, ptr, sizeof(ret));
+  return ret;
+}
+
+static const uint64_t SIMPL1_K512[80] = {
+    UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd),
+    UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc),
+    UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019),
+    UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118),
+    UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe),
+    UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2),
+    UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1),
+    UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694),
+    UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3),
+    UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65),
+    UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483),
+    UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5),
+    UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210),
+    UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4),
+    UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725),
+    UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70),
+    UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926),
+    UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df),
+    UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8),
+    UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b),
+    UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001),
+    UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30),
+    UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910),
+    UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8),
+    UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53),
+    UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8),
+    UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb),
+    UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3),
+    UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60),
+    UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec),
+    UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9),
+    UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b),
+    UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207),
+    UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178),
+    UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6),
+    UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b),
+    UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493),
+    UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c),
+    UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a),
+    UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817),
+};
+
+#define SIMPL1_ROUND_00_01(i, a, b) \
+  do {                              \
+    T1 += a + SIMPL1_K512[i];       \
+    a += T1;                        \
+    b += T1;                        \
+  } while (0)
+
+#define SIMPL1_ROUND_02_10(i, j, a, b) \
+  do {                                 \
+    SIMPL1_ROUND_00_01(i + j, a, b);   \
+  } while (0)
+
+void simpl1_return_state(uint64_t *state) {
+
+}
+
+uint64_t sha512_block_data_order_simpl1(uint64_t *state, const uint8_t *in, size_t num) {
+  uint64_t a, b, T1;
+  int i;
+
+  while (num--) {
+
+    a = state[0];
+    b = state[1];
+    simpl1_return_state(state);
+
+    T1 = SIMPL1_CRYPTO_load_u64_be(in);
+    SIMPL1_ROUND_00_01(0, a, b);
+    T1 = SIMPL1_CRYPTO_load_u64_be(in + 8);
+    SIMPL1_ROUND_00_01(1, a, b);
+
+    for (i = 2; i < 10; i += 2) {
+      SIMPL1_ROUND_02_10(i, 0, a, b);
+      SIMPL1_ROUND_02_10(i, 1, a, b);
+    }
+
+    state[0] += a;
+    state[1] += b;
+
+    in += 2 * 8;
+  }
+  return a;
+}
+
+// sha512_block_data_order
+
+static inline void *OPENSSL_memcpy(void *dst, const void *src, size_t n) {
+  if (n == 0) {
+    return dst;
+  }
+
+  return memcpy(dst, src, n);
+}
+
+static inline uint32_t CRYPTO_bswap4(uint32_t x) {
+  x = (x >> 16) | (x << 16);
+  x = ((x & 0xff00ff00) >> 8) | ((x & 0x00ff00ff) << 8);
+  return x;
+}
+
+static inline uint64_t CRYPTO_bswap8(uint64_t x) {
+  return CRYPTO_bswap4(x >> 32) | (((uint64_t)CRYPTO_bswap4(x)) << 32);
+}
+
+static inline uint64_t CRYPTO_load_u64_be(const void *ptr) {
+  uint64_t ret;
+  OPENSSL_memcpy(&ret, ptr, sizeof(ret));
+  return CRYPTO_bswap8(ret);
+}
+
+static const uint64_t K512[80] = {
+    UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd),
+    UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc),
+    UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019),
+    UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118),
+    UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe),
+    UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2),
+    UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1),
+    UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694),
+    UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3),
+    UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65),
+    UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483),
+    UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5),
+    UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210),
+    UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4),
+    UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725),
+    UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70),
+    UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926),
+    UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df),
+    UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8),
+    UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b),
+    UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001),
+    UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30),
+    UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910),
+    UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8),
+    UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53),
+    UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8),
+    UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb),
+    UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3),
+    UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60),
+    UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec),
+    UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9),
+    UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b),
+    UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207),
+    UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178),
+    UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6),
+    UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b),
+    UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493),
+    UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c),
+    UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a),
+    UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817),
+};
+
+#ifndef ROTR
+#define ROTR(x, s) (((x) >> s) | (x) << (64 - s))
+#endif
+
+#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) ^ ((x) >> 7))
+#define sigma1(x) (ROTR((x), 19) ^ ROTR((x), 61) ^ ((x) >> 6))
+
+#define Ch(x, y, z) (((x) & (y)) ^ ((~(x)) & (z)))
+#define Maj(x, y, z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
+
+#define ROUND_00_15(i, a, b, c, d, e, f, g, h)   \
+  do {                                           \
+    T1 += h + Sigma1(e) + Ch(e, f, g) + K512[i]; \
+    h = Sigma0(a) + Maj(a, b, c);                \
+    d += T1;                                     \
+    h += T1;                                     \
+  } while (0)
+
+#define ROUND_16_80(i, j, a, b, c, d, e, f, g, h, X)   \
+  do {                                                 \
+    s0 = X[(j + 1) & 0x0f];                            \
+    s0 = sigma0(s0);                                   \
+    s1 = X[(j + 14) & 0x0f];                           \
+    s1 = sigma1(s1);                                   \
+    T1 = X[(j) & 0x0f] += s0 + s1 + X[(j + 9) & 0x0f]; \
+    ROUND_00_15(i + j, a, b, c, d, e, f, g, h);        \
+  } while (0)
+
+void return_state(uint64_t *state) {
+
+}
+
+static void sha512_block_data_order(uint64_t *state, const uint8_t *in,
+                                    size_t num) {
+  uint64_t a, b, c, d, e, f, g, h, s0, s1, T1;
+  uint64_t X[16];
+  int i;
+
+  while (num--) {
+
+    a = state[0];
+    b = state[1];
+    c = state[2];
+    d = state[3];
+    e = state[4];
+    f = state[5];
+    g = state[6];
+    h = state[7];
+    return_state(state);
+
+    T1 = X[0] = CRYPTO_load_u64_be(in);
+    ROUND_00_15(0, a, b, c, d, e, f, g, h);
+    T1 = X[1] = CRYPTO_load_u64_be(in + 8);
+    ROUND_00_15(1, h, a, b, c, d, e, f, g);
+    T1 = X[2] = CRYPTO_load_u64_be(in + 2 * 8);
+    ROUND_00_15(2, g, h, a, b, c, d, e, f);
+    T1 = X[3] = CRYPTO_load_u64_be(in + 3 * 8);
+    ROUND_00_15(3, f, g, h, a, b, c, d, e);
+    T1 = X[4] = CRYPTO_load_u64_be(in + 4 * 8);
+    ROUND_00_15(4, e, f, g, h, a, b, c, d);
+    T1 = X[5] = CRYPTO_load_u64_be(in + 5 * 8);
+    ROUND_00_15(5, d, e, f, g, h, a, b, c);
+    T1 = X[6] = CRYPTO_load_u64_be(in + 6 * 8);
+    ROUND_00_15(6, c, d, e, f, g, h, a, b);
+    T1 = X[7] = CRYPTO_load_u64_be(in + 7 * 8);
+    ROUND_00_15(7, b, c, d, e, f, g, h, a);
+    T1 = X[8] = CRYPTO_load_u64_be(in + 8 * 8);
+    ROUND_00_15(8, a, b, c, d, e, f, g, h);
+    T1 = X[9] = CRYPTO_load_u64_be(in + 9 * 8);
+    ROUND_00_15(9, h, a, b, c, d, e, f, g);
+    T1 = X[10] = CRYPTO_load_u64_be(in + 10 * 8);
+    ROUND_00_15(10, g, h, a, b, c, d, e, f);
+    T1 = X[11] = CRYPTO_load_u64_be(in + 11 * 8);
+    ROUND_00_15(11, f, g, h, a, b, c, d, e);
+    T1 = X[12] = CRYPTO_load_u64_be(in + 12 * 8);
+    ROUND_00_15(12, e, f, g, h, a, b, c, d);
+    T1 = X[13] = CRYPTO_load_u64_be(in + 13 * 8);
+    ROUND_00_15(13, d, e, f, g, h, a, b, c);
+    T1 = X[14] = CRYPTO_load_u64_be(in + 14 * 8);
+    ROUND_00_15(14, c, d, e, f, g, h, a, b);
+    T1 = X[15] = CRYPTO_load_u64_be(in + 15 * 8);
+    ROUND_00_15(15, b, c, d, e, f, g, h, a);
+
+    for (i = 16; i < 80; i += 16) {
+      ROUND_16_80(i, 0, a, b, c, d, e, f, g, h, X);
+      ROUND_16_80(i, 1, h, a, b, c, d, e, f, g, X);
+      ROUND_16_80(i, 2, g, h, a, b, c, d, e, f, X);
+      ROUND_16_80(i, 3, f, g, h, a, b, c, d, e, X);
+      ROUND_16_80(i, 4, e, f, g, h, a, b, c, d, X);
+      ROUND_16_80(i, 5, d, e, f, g, h, a, b, c, X);
+      ROUND_16_80(i, 6, c, d, e, f, g, h, a, b, X);
+      ROUND_16_80(i, 7, b, c, d, e, f, g, h, a, X);
+      ROUND_16_80(i, 8, a, b, c, d, e, f, g, h, X);
+      ROUND_16_80(i, 9, h, a, b, c, d, e, f, g, X);
+      ROUND_16_80(i, 10, g, h, a, b, c, d, e, f, X);
+      ROUND_16_80(i, 11, f, g, h, a, b, c, d, e, X);
+      ROUND_16_80(i, 12, e, f, g, h, a, b, c, d, X);
+      ROUND_16_80(i, 13, d, e, f, g, h, a, b, c, X);
+      ROUND_16_80(i, 14, c, d, e, f, g, h, a, b, X);
+      ROUND_16_80(i, 15, b, c, d, e, f, g, h, a, X);
+    }
+
+    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 += 16 * 8;
+  }
+}
+
+void dummy(uint64_t *state, const uint8_t *in, size_t num) {
+  sha512_block_data_order(state, in, num);
+}

heapster-saw/examples/sha512.saw

@@ -0,0 +1,77 @@
+enable_experimental;
+env <- heapster_init_env "SHA512" "sha512.bc";
+
+heapster_set_debug_level env 1;
+
+heapster_define_perm env "int64" " " "llvmptr 64" "exists x:bv 64.eq(llvmword(x))";
+heapster_define_perm env "int32" " " "llvmptr 32" "exists x:bv 32.eq(llvmword(x))";
+heapster_define_perm env "int8" " " "llvmptr 8" "exists x:bv 8.eq(llvmword(x))";
+
+heapster_assume_fun env "llvm.memcpy.p0i8.p0i8.i64"
+  "(rw:rwmodality, l1:lifetime, l2:lifetime, sh:llvmshape 64, \
+   \ b:llvmblock 64, len:bv 64). \
+  \ arg0:[l1]memblock(W,0,len,sh), arg1:[l2]memblock(rw,0,len,eqsh(b)), \
+  \ arg2:eq(llvmword(len)) -o \
+  \ arg0:[l1]memblock(W,0,len,eqsh(b)), arg1:[l2]memblock(rw,0,len,eqsh(b))"
+  "\\ (X:sort 0) (len:Vec 64 Bool) (x:X) (_:#()) -> returnM (#() * #()) ((),())";
+
+/*
+heapster_typecheck_fun env "SIMPL1_CRYPTO_load_u64_be"
+  "(). arg0:ptr((R,0) |-> int64<>) -o \
+     \ arg0:ptr((R,0) |-> int64<>), ret:int64<>";
+
+heapster_typecheck_fun env "simpl1_return_state"
+  "(). arg0:array(W,0,<2,*8,fieldsh(int64<>)) -o \
+     \ arg0:array(W,0,<2,*8,fieldsh(int64<>))";
+
+heapster_typecheck_fun env "sha512_block_data_order_simpl1"
+  "(num:bv 64). arg0:array(W,0,<2,*8,fieldsh(int64<>)), \
+              \ arg1:array(R,0,<2*num,*8,fieldsh(int64<>)), \
+              \ arg2:eq(llvmword(num)) -o \
+              \ arg0:array(W,0,<2,*8,fieldsh(int64<>)), \
+              \ arg1:array(R,0,<2*num,*8,fieldsh(int64<>)), \
+              \ arg2:true, ret:true";
+// arg0:array(W,0,<1,*8,fieldsh(int64<>))
+*/
+
+/*
+// A copy of the permissions for memcpy
+heapster_assume_fun env "OPENSSL_memcpy"
+  "(rw:rwmodality, l1:lifetime, l2:lifetime, sh:llvmshape 64, \
+   \ b:llvmblock 64, len:bv 64). \
+  \ arg0:[l1]memblock(W,0,len,sh), arg1:[l2]memblock(rw,0,len,eqsh(b)), \
+  \ arg2:eq(llvmword(len)) -o \
+  \ arg0:[l1]memblock(W,0,len,eqsh(b)), arg1:[l2]memblock(rw,0,len,eqsh(b))"
+  "\\ (X:sort 0) (len:Vec 64 Bool) (x:X) (_:#()) -> returnM (#() * #()) ((),())";
+
+heapster_typecheck_fun env "CRYPTO_bswap4"
+  "(). arg0:int32<> -o arg0:int32<>, ret:int32<>";
+
+heapster_typecheck_fun env "CRYPTO_bswap8"
+  "(). arg0:int64<> -o arg0:int64<>, ret:int64<>";
+
+heapster_typecheck_fun env "CRYPTO_load_u64_be"
+  "(). arg0:ptr((R,0) |-> int64<>) -o \
+     \ arg0:ptr((R,0) |-> int64<>), ret:int64<>";
+*/
+
+heapster_assume_fun env "CRYPTO_load_u64_be"
+  "(). arg0:ptr((R,0) |-> int64<>) -o \
+     \ arg0:ptr((R,0) |-> int64<>), ret:int64<>"
+  "\\ (x:Vec 64 Bool) -> returnM (Vec 64 Bool * Vec 64 Bool) (x, x)";
+
+heapster_typecheck_fun env "return_state"
+  "(). arg0:array(W,0,<8,*8,fieldsh(int64<>)) -o \
+     \ arg0:array(W,0,<8,*8,fieldsh(int64<>))";
+
+heapster_set_translation_checks env false;
+heapster_typecheck_fun env "sha512_block_data_order"
+  "(num:bv 64). arg0:array(W,0,<8,*8,fieldsh(int64<>)), \
+              \ arg1:array(R,0,<16*num,*8,fieldsh(int64<>)), \
+              \ arg2:eq(llvmword(num)) -o \
+              \ arg0:array(W,0,<8,*8,fieldsh(int64<>)), \
+              \ arg1:array(R,0,<16*num,*8,fieldsh(int64<>)), \
+              \ arg2:true, ret:true";
+
+
+heapster_export_coq env "sha512_gen.v";

heapster-saw/examples/sha512_proofs.v

@@ -0,0 +1,21 @@
+From Coq          Require Import Program.Basics.
+From Coq          Require Import Lists.List.
+From Coq          Require Import String.
+From Coq          Require Import Vectors.Vector.
+From CryptolToCoq Require Import SAWCoreScaffolding.
+From CryptolToCoq Require Import SAWCoreVectorsAsCoqVectors.
+From CryptolToCoq Require Import SAWCoreBitvectors.
+
+From CryptolToCoq Require Import SAWCorePrelude.
+From CryptolToCoq Require Import CompMExtra.
+
+Import SAWCorePrelude.
+
+Require Import Examples.sha512_gen.
+Import SHA512.
+
+Lemma no_errors_sha512_block_data_order_simpl1 :
+  refinesFun sha512_block_data_order_simpl1 (fun _ _ _ => noErrorsSpec).
+Proof.
+  unfold sha512_block_data_order_simpl1, sha512_block_data_order_simpl1__tuple_fun.
+  Set Printing Depth 1000.