Mailing List Archive

[PATCH] tests/basic: add vector cluttering to detect implementation bugs
* src/global.c (_gcry_check_version): Fix missing newline.
* src/basic.c (ALWAYS_INLINE, CLUTTER_REGISTER_*, prepare_vector_data)
(clutter_vector_registers): New.
(progress_handler): Make static function.
(check_bulk_cipher_modes, check_one_cipher_core_reset)
(check_one_cipher_core, check_one_md, check_one_md_multi)
(check_one_md_final, check_one_mac): Clutter vector registers before
gcry_* calls to cipher/md/mac algorithms.
--

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
---
src/global.c | 3 -
tests/basic.c | 288 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 288 insertions(+), 3 deletions(-)

diff --git a/src/global.c b/src/global.c
index d82c680a5..be65df54a 100644
--- a/src/global.c
+++ b/src/global.c
@@ -261,7 +261,8 @@ _gcry_check_version (const char *req_version)
/* Compare version numbers. */
if ( my_major > rq_major
|| (my_major == rq_major && my_minor > rq_minor)
- || (my_major == rq_major && my_minor == rq_minor && my_micro > rq_micro)
+ || (my_major == rq_major && my_minor == rq_minor
+ && my_micro > rq_micro)
|| (my_major == rq_major && my_minor == rq_minor
&& my_micro == rq_micro))
{
diff --git a/tests/basic.c b/tests/basic.c
index 8337bcfb7..71b2aa30f 100644
--- a/tests/basic.c
+++ b/tests/basic.c
@@ -33,6 +33,10 @@
#define PGM "basic"
#include "t-common.h"

+#if __GNUC__ >= 4
+# define ALWAYS_INLINE __attribute__((always_inline))
+#endif
+
typedef struct test_spec_pubkey_key
{
const char *secret;
@@ -191,7 +195,7 @@ show_mac_not_available (int algo)



-void
+static void
progress_handler (void *cb_data, const char *what, int printchar,
int current, int total)
{
@@ -207,6 +211,237 @@ progress_handler (void *cb_data, const char *what, int printchar,
fflush (stdout);
}

+
+#if defined(__x86_64__) && defined(HAVE_GCC_INLINE_ASM_SSSE3) && \
+ (defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \
+ defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS))
+# define CLUTTER_VECTOR_REGISTER_AMD64 1
+# define CLUTTER_VECTOR_REGISTER_COUNT 16
+#elif defined(__i386__) && SIZEOF_UNSIGNED_LONG == 4 && __GNUC__ >= 4 && \
+ defined(HAVE_GCC_INLINE_ASM_SSSE3)
+# define CLUTTER_VECTOR_REGISTER_I386 1
+# define CLUTTER_VECTOR_REGISTER_COUNT 8
+#elif defined(HAVE_COMPATIBLE_GCC_AARCH64_PLATFORM_AS) && \
+ defined(HAVE_GCC_INLINE_ASM_AARCH64_NEON) && \
+ (defined(__ARM_FEATURE_SIMD32) || defined(__ARM_NEON))
+# define CLUTTER_VECTOR_REGISTER_AARCH64 1
+# define CLUTTER_VECTOR_REGISTER_COUNT 32
+#elif defined(HAVE_COMPATIBLE_GCC_ARM_PLATFORM_AS) && \
+ defined(HAVE_GCC_INLINE_ASM_NEON) && \
+ (defined(__ARM_FEATURE_SIMD32) || defined(__ARM_NEON))
+# define CLUTTER_VECTOR_REGISTER_NEON 1
+# define CLUTTER_VECTOR_REGISTER_COUNT 32
+#endif
+
+
+#ifdef CLUTTER_VECTOR_REGISTER_COUNT
+static void
+prepare_vector_data(unsigned char data[CLUTTER_VECTOR_REGISTER_COUNT][16])
+{
+ static unsigned char basedata[16] =
+ {
+ 0xd7, 0xfe, 0x5c, 0x4b, 0x58, 0xfe, 0xf4, 0xb6,
+ 0xed, 0x2f, 0x31, 0xc9, 0x1d, 0xd3, 0x62, 0x8d
+ };
+ int j, i;
+
+ for (i = 0; i < CLUTTER_VECTOR_REGISTER_COUNT; i++)
+ {
+ for (j = 0; j < 16; j++)
+ {
+ data[i][j] = basedata[(i + j) % 16];
+ }
+
+ for (j = 0; j < 16; j++)
+ {
+ basedata[j] -= j;
+ }
+ }
+}
+#endif
+
+
+static inline ALWAYS_INLINE void
+clutter_vector_registers(void)
+{
+#ifdef CLUTTER_VECTOR_REGISTER_COUNT
+ unsigned char data[CLUTTER_VECTOR_REGISTER_COUNT][16];
+#if defined(CLUTTER_VECTOR_REGISTER_AARCH64) || \
+ defined(CLUTTER_VECTOR_REGISTER_NEON)
+ static int init;
+ static int have_neon;
+
+ if (!init)
+ {
+ char *string;
+
+ string = gcry_get_config (0, "hwflist");
+ if (string)
+ {
+ have_neon = (strstr(string, "arm-neon:") != NULL);
+ xfree(string);
+ }
+ init = 1;
+ }
+
+ if (!have_neon)
+ return;
+#elif defined(CLUTTER_VECTOR_REGISTER_I386)
+ static int init;
+ static int have_ssse3;
+
+ if (!init)
+ {
+ char *string;
+
+ string = gcry_get_config (0, "hwflist");
+ if (string)
+ {
+ have_ssse3 = (strstr(string, "intel-ssse3:") != NULL);
+ xfree(string);
+ }
+ init = 1;
+ }
+
+ if (!have_ssse3)
+ return;
+#endif
+
+ prepare_vector_data(data);
+
+#if defined(CLUTTER_VECTOR_REGISTER_AMD64)
+ asm volatile("movdqu %[data0], %%xmm0\n"
+ "movdqu %[data1], %%xmm1\n"
+ "movdqu %[data2], %%xmm2\n"
+ "movdqu %[data3], %%xmm3\n"
+ "movdqu %[data4], %%xmm4\n"
+ "movdqu %[data5], %%xmm5\n"
+ "movdqu %[data6], %%xmm6\n"
+ "movdqu %[data7], %%xmm7\n"
+ "movdqu %[data8], %%xmm8\n"
+ "movdqu %[data9], %%xmm9\n"
+ "movdqu %[data10], %%xmm10\n"
+ "movdqu %[data11], %%xmm11\n"
+ "movdqu %[data12], %%xmm12\n"
+ "movdqu %[data13], %%xmm13\n"
+ "movdqu %[data14], %%xmm14\n"
+ "movdqu %[data15], %%xmm15\n"
+ :
+ : [data0] "m" (*data[0]),
+ [data1] "m" (*data[1]),
+ [data2] "m" (*data[2]),
+ [data3] "m" (*data[3]),
+ [data4] "m" (*data[4]),
+ [data5] "m" (*data[5]),
+ [data6] "m" (*data[6]),
+ [data7] "m" (*data[7]),
+ [data8] "m" (*data[8]),
+ [data9] "m" (*data[9]),
+ [data10] "m" (*data[10]),
+ [data11] "m" (*data[11]),
+ [data12] "m" (*data[12]),
+ [data13] "m" (*data[13]),
+ [data14] "m" (*data[14]),
+ [data15] "m" (*data[15])
+ : "memory"
+#ifdef __SSE2__
+ ,"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
+ "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14",
+ "xmm15"
+#endif
+ );
+#elif defined(CLUTTER_VECTOR_REGISTER_I386)
+ asm volatile("movdqu %[data0], %%xmm0\n"
+ "movdqu %[data1], %%xmm1\n"
+ "movdqu %[data2], %%xmm2\n"
+ "movdqu %[data3], %%xmm3\n"
+ "movdqu %[data4], %%xmm4\n"
+ "movdqu %[data5], %%xmm5\n"
+ "movdqu %[data6], %%xmm6\n"
+ "movdqu %[data7], %%xmm7\n"
+ :
+ : [data0] "m" (*data[0]),
+ [data1] "m" (*data[1]),
+ [data2] "m" (*data[2]),
+ [data3] "m" (*data[3]),
+ [data4] "m" (*data[4]),
+ [data5] "m" (*data[5]),
+ [data6] "m" (*data[6]),
+ [data7] "m" (*data[7])
+ : "memory"
+#ifdef __SSE2__
+ ,"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
+#endif
+ );
+#elif defined(CLUTTER_VECTOR_REGISTER_AARCH64)
+ asm volatile("mov x0, %[ptr]\n"
+ "ld1 {v0.16b}, [x0], #16\n"
+ "ld1 {v1.16b}, [x0], #16\n"
+ "ld1 {v2.16b}, [x0], #16\n"
+ "ld1 {v3.16b}, [x0], #16\n"
+ "ld1 {v4.16b}, [x0], #16\n"
+ "ld1 {v5.16b}, [x0], #16\n"
+ "ld1 {v6.16b}, [x0], #16\n"
+ "ld1 {v7.16b}, [x0], #16\n"
+ "ld1 {v8.16b}, [x0], #16\n"
+ "ld1 {v9.16b}, [x0], #16\n"
+ "ld1 {v10.16b}, [x0], #16\n"
+ "ld1 {v11.16b}, [x0], #16\n"
+ "ld1 {v12.16b}, [x0], #16\n"
+ "ld1 {v13.16b}, [x0], #16\n"
+ "ld1 {v14.16b}, [x0], #16\n"
+ "ld1 {v15.16b}, [x0], #16\n"
+ "ld1 {v16.16b}, [x0], #16\n"
+ "ld1 {v17.16b}, [x0], #16\n"
+ "ld1 {v18.16b}, [x0], #16\n"
+ "ld1 {v19.16b}, [x0], #16\n"
+ "ld1 {v20.16b}, [x0], #16\n"
+ "ld1 {v21.16b}, [x0], #16\n"
+ "ld1 {v22.16b}, [x0], #16\n"
+ "ld1 {v23.16b}, [x0], #16\n"
+ "ld1 {v24.16b}, [x0], #16\n"
+ "ld1 {v25.16b}, [x0], #16\n"
+ "ld1 {v26.16b}, [x0], #16\n"
+ "ld1 {v27.16b}, [x0], #16\n"
+ "ld1 {v28.16b}, [x0], #16\n"
+ "ld1 {v29.16b}, [x0], #16\n"
+ "ld1 {v30.16b}, [x0], #16\n"
+ "ld1 {v31.16b}, [x0], #16\n"
+ :
+ : [ptr] "r" (data)
+ : "x0", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
+ "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
+ "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
+ "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31");
+#elif defined(CLUTTER_VECTOR_REGISTER_NEON)
+ asm volatile("mov r0, %[ptr]\n"
+ "vld1.64 {q0}, [r0]!\n"
+ "vld1.64 {q1}, [r0]!\n"
+ "vld1.64 {q2}, [r0]!\n"
+ "vld1.64 {q3}, [r0]!\n"
+ "vld1.64 {q4}, [r0]!\n"
+ "vld1.64 {q5}, [r0]!\n"
+ "vld1.64 {q6}, [r0]!\n"
+ "vld1.64 {q7}, [r0]!\n"
+ "vld1.64 {q8}, [r0]!\n"
+ "vld1.64 {q9}, [r0]!\n"
+ "vld1.64 {q10}, [r0]!\n"
+ "vld1.64 {q11}, [r0]!\n"
+ "vld1.64 {q12}, [r0]!\n"
+ "vld1.64 {q13}, [r0]!\n"
+ "vld1.64 {q14}, [r0]!\n"
+ "vld1.64 {q15}, [r0]!\n"
+ :
+ : [ptr] "r" (data)
+ : "r0", "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7",
+ "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15");
+#endif
+
+#endif /* CLUTTER_VECTOR_REGISTER_COUNT */
+}
+
+
+
static void
check_cbc_mac_cipher (void)
{
@@ -8280,7 +8515,9 @@ check_bulk_cipher_modes (void)
goto leave;
}

+ clutter_vector_registers();
err = gcry_cipher_setkey (hde, tv[i].key, tv[i].keylen);
+ clutter_vector_registers();
if (!err)
err = gcry_cipher_setkey (hdd, tv[i].key, tv[i].keylen);
if (err)
@@ -8296,7 +8533,9 @@ check_bulk_cipher_modes (void)
goto leave;
}

+ clutter_vector_registers();
err = gcry_cipher_setiv (hde, tv[i].iv, tv[i].ivlen);
+ clutter_vector_registers();
if (!err)
err = gcry_cipher_setiv (hdd, tv[i].iv, tv[i].ivlen);
if (err)
@@ -8309,6 +8548,7 @@ check_bulk_cipher_modes (void)
for (j=0; j < buflen; j++)
buffer[j] = ((j & 0xff) ^ ((j >> 8) & 0xff));

+ clutter_vector_registers();
err = gcry_cipher_encrypt (hde, outbuf, buflen, buffer, buflen);
if (err)
{
@@ -8330,6 +8570,7 @@ check_bulk_cipher_modes (void)
fail ("encrypt mismatch (algo %d, mode %d)\n",
tv[i].algo, tv[i].mode);

+ clutter_vector_registers();
err = gcry_cipher_decrypt (hdd, outbuf, buflen, NULL, 0);
if (err)
{
@@ -8409,6 +8650,7 @@ check_one_cipher_core_reset (gcry_cipher_hd_t hd, int algo, int mode, int pass,

if (mode == GCRY_CIPHER_MODE_OCB || mode == GCRY_CIPHER_MODE_CCM)
{
+ clutter_vector_registers();
err = gcry_cipher_setiv (hd, iv, sizeof(iv));
if (err)
{
@@ -8535,6 +8777,7 @@ check_one_cipher_core (int algo, int mode, int flags,
goto err_out_free;
}

+ clutter_vector_registers();
err = gcry_cipher_setkey (hd, key, keylen);
if (err)
{
@@ -8547,6 +8790,7 @@ check_one_cipher_core (int algo, int mode, int flags,
if (check_one_cipher_core_reset (hd, algo, mode, pass, nplain) < 0)
goto err_out_free;

+ clutter_vector_registers();
err = gcry_cipher_encrypt (hd, out, nplain, plain, nplain);
if (err)
{
@@ -8558,6 +8802,7 @@ check_one_cipher_core (int algo, int mode, int flags,

if (taglen > 0)
{
+ clutter_vector_registers();
err = gcry_cipher_gettag (hd, tag, taglen);
if (err)
{
@@ -8575,6 +8820,7 @@ check_one_cipher_core (int algo, int mode, int flags,
if (check_one_cipher_core_reset (hd, algo, mode, pass, nplain) < 0)
goto err_out_free;

+ clutter_vector_registers();
err = gcry_cipher_decrypt (hd, in, nplain, out, nplain);
if (err)
{
@@ -8586,6 +8832,7 @@ check_one_cipher_core (int algo, int mode, int flags,

if (taglen > 0)
{
+ clutter_vector_registers();
err = gcry_cipher_checktag (hd, tag_result, taglen);
if (err)
{
@@ -8605,6 +8852,7 @@ check_one_cipher_core (int algo, int mode, int flags,
goto err_out_free;

memcpy (out, plain, nplain);
+ clutter_vector_registers();
err = gcry_cipher_encrypt (hd, out, nplain, NULL, 0);
if (err)
{
@@ -8639,6 +8887,7 @@ check_one_cipher_core (int algo, int mode, int flags,
if (check_one_cipher_core_reset (hd, algo, mode, pass, nplain) < 0)
goto err_out_free;

+ clutter_vector_registers();
err = gcry_cipher_decrypt (hd, out, nplain, NULL, 0);
if (err)
{
@@ -8651,6 +8900,7 @@ check_one_cipher_core (int algo, int mode, int flags,

if (taglen > 0)
{
+ clutter_vector_registers();
err = gcry_cipher_checktag (hd, tag_result, taglen);
if (err)
{
@@ -8677,6 +8927,7 @@ check_one_cipher_core (int algo, int mode, int flags,
if (piecelen > nplain - pos)
piecelen = nplain - pos;

+ clutter_vector_registers();
err = gcry_cipher_encrypt (hd, out + pos, piecelen, plain + pos,
piecelen);
if (err)
@@ -8694,6 +8945,7 @@ check_one_cipher_core (int algo, int mode, int flags,

if (taglen > 0)
{
+ clutter_vector_registers();
err = gcry_cipher_gettag (hd, tag, taglen);
if (err)
{
@@ -8723,6 +8975,7 @@ check_one_cipher_core (int algo, int mode, int flags,
if (piecelen > nplain - pos)
piecelen = nplain - pos;

+ clutter_vector_registers();
err = gcry_cipher_decrypt (hd, in + pos, piecelen, out + pos, piecelen);
if (err)
{
@@ -8739,6 +8992,7 @@ check_one_cipher_core (int algo, int mode, int flags,

if (taglen > 0)
{
+ clutter_vector_registers();
err = gcry_cipher_checktag (hd, tag_result, taglen);
if (err)
{
@@ -8767,6 +9021,7 @@ check_one_cipher_core (int algo, int mode, int flags,
piecelen = nplain - pos;

memcpy (out + pos, plain + pos, piecelen);
+ clutter_vector_registers();
err = gcry_cipher_encrypt (hd, out + pos, piecelen, NULL, 0);
if (err)
{
@@ -8795,6 +9050,7 @@ check_one_cipher_core (int algo, int mode, int flags,
if (piecelen > nplain - pos)
piecelen = nplain - pos;

+ clutter_vector_registers();
err = gcry_cipher_decrypt (hd, out + pos, piecelen, NULL, 0);
if (err)
{
@@ -9104,6 +9360,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,

if (key && klen)
{
+ clutter_vector_registers();
err = gcry_md_setkey (hd, key, klen);
if (err)
{
@@ -9131,6 +9388,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,

if (key && klen)
{
+ clutter_vector_registers();
err = gcry_md_setkey (hd2, key, klen);
if (err)
{
@@ -9149,10 +9407,12 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
gcry_md_reset (hd);
gcry_md_reset (hd2);

+ clutter_vector_registers();
gcry_md_write (hd, buf, i);
for (j = 0; j < i; j++)
gcry_md_write (hd2, &buf[j], 1);

+ clutter_vector_registers();
p1 = gcry_md_read (hd, algo);
p2 = gcry_md_read (hd2, algo);
if (memcmp (p1, p2, mdlen))
@@ -9196,6 +9456,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
if (*data == '?')
fillbuf_count(aaa, piecelen, 1000 * 1000 - left);

+ clutter_vector_registers();
gcry_md_write (hd, aaa, piecelen);

left -= piecelen;
@@ -9212,6 +9473,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
if (*data == '?')
fillbuf_count(aaa, piecelen, 1000 * 1000 - left);

+ clutter_vector_registers();
gcry_md_write (hd, aaa, piecelen);

left -= piecelen;
@@ -9223,8 +9485,12 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
}
}
else
- gcry_md_write (hd, data, len);
+ {
+ clutter_vector_registers();
+ gcry_md_write (hd, data, len);
+ }

+ clutter_vector_registers();
err = gcry_md_copy (&hd2, hd);
if (err)
{
@@ -9235,6 +9501,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,

if (!xof)
{
+ clutter_vector_registers();
p = gcry_md_read (hd2, algo);

if (memcmp (p, expect, mdlen))
@@ -9255,12 +9522,14 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
char buf[1000];
int outmax = sizeof(buf) > elen ? elen : sizeof(buf);

+ clutter_vector_registers();
err = gcry_md_copy (&hd, hd2);
if (err)
{
fail ("algo %d, gcry_md_copy failed: %s\n", algo, gpg_strerror (err));
}

+ clutter_vector_registers();
err = gcry_md_extract(hd2, algo, buf, outmax);
if (err)
{
@@ -9283,6 +9552,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
memset(buf, 0, sizeof(buf));

/* Extract one byte at time. */
+ clutter_vector_registers();
for (i = 0; i < outmax && !err; i++)
err = gcry_md_extract(hd, algo, &buf[i], 1);
if (err)
@@ -9334,6 +9604,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
/* Extract large chucks, total 1000000 additional bytes. */
for (i = 0; i < 1000; i++)
{
+ clutter_vector_registers();
err = gcry_md_extract(hd, algo, buf, 1000);
if (!err)
gcry_md_write(crc1, buf, 1000);
@@ -9356,6 +9627,7 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
if (piecelen > left)
piecelen = left;

+ clutter_vector_registers();
err = gcry_md_extract (hd2, algo, buf, piecelen);
if (!err)
gcry_md_write(crc2, buf, piecelen);
@@ -9373,7 +9645,9 @@ check_one_md (int algo, const char *data, int len, const char *expect, int elen,
piecelen = piecelen * 2 - ((piecelen != startlen) ? startlen : 0);
}

+ clutter_vector_registers();
p1 = gcry_md_read (crc1, crcalgo);
+ clutter_vector_registers();
p2 = gcry_md_read (crc2, crcalgo);

if (memcmp (p1, p2, crclen))
@@ -9449,6 +9723,7 @@ check_one_md_multi (int algo, const char *data, int len, const char *expect)
iovcnt++;
assert (iovcnt <= DIM (iov));

+ clutter_vector_registers();
err = gcry_md_hash_buffers (algo, 0, digest, iov, iovcnt);
if (err)
{
@@ -9498,6 +9773,7 @@ check_one_md_final(int algo, const char *expect, unsigned int expectlen)
for (i = 0; i < sizeof(inbuf); i++)
inbuf[i] = i;

+ clutter_vector_registers();
gcry_md_hash_buffer (algo, xorbuf, NULL, 0);
for (i = 1; i < sizeof(inbuf); i++)
{
@@ -11336,6 +11612,7 @@ check_one_mac (int algo, const char *data, int datalen,
return;
}

+ clutter_vector_registers();
err = gcry_mac_setkey (hd, key, keylen);
if (err)
fail("algo %d, mac gcry_mac_setkey failed: %s\n", algo, gpg_strerror (err));
@@ -11344,6 +11621,7 @@ check_one_mac (int algo, const char *data, int datalen,

if (ivlen && iv)
{
+ clutter_vector_registers();
err = gcry_mac_setiv (hd, iv, ivlen);
if (err)
fail("algo %d, mac gcry_mac_ivkey failed: %s\n", algo,
@@ -11356,6 +11634,7 @@ check_one_mac (int algo, const char *data, int datalen,
{
for (i = 0; i < datalen; i++)
{
+ clutter_vector_registers();
err = gcry_mac_write (hd, &data[i], 1);
if (err)
fail("algo %d, mac gcry_mac_write [buf-offset: %d] failed: %s\n",
@@ -11389,6 +11668,7 @@ check_one_mac (int algo, const char *data, int datalen,
if (*data == '?')
fillbuf_count(aaa, piecelen, 1000 * 1000 - left);

+ clutter_vector_registers();
gcry_mac_write (hd, aaa, piecelen);

left -= piecelen;
@@ -11405,6 +11685,7 @@ check_one_mac (int algo, const char *data, int datalen,
if (*data == '?')
fillbuf_count(aaa, piecelen, 1000 * 1000 - left);

+ clutter_vector_registers();
gcry_mac_write (hd, aaa, piecelen);

left -= piecelen;
@@ -11417,6 +11698,7 @@ check_one_mac (int algo, const char *data, int datalen,
}
else
{
+ clutter_vector_registers();
err = gcry_mac_write (hd, data, datalen);
}

@@ -11426,11 +11708,13 @@ check_one_mac (int algo, const char *data, int datalen,
goto out;
}

+ clutter_vector_registers();
err = gcry_mac_verify (hd, expect, maclen);
if (err)
fail("algo %d, mac gcry_mac_verify failed: %s\n", algo, gpg_strerror (err));

macoutlen = maclen;
+ clutter_vector_registers();
err = gcry_mac_read (hd, p, &macoutlen);
if (err)
fail("algo %d, mac gcry_mac_read failed: %s\n", algo, gpg_strerror (err));


_______________________________________________
Gcrypt-devel mailing list
Gcrypt-devel@gnupg.org
http://lists.gnupg.org/mailman/listinfo/gcrypt-devel