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reduced the amount of memory allocated in gpu for SNMPv3 HMAC-SHA384-256

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This commit is contained in:
Gabriele Gristina
2021-08-03 21:29:07 +02:00
parent 357c23d7a1
commit 87f7bc59e3
4 changed files with 7 additions and 6 deletions
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OpenCL/m26900-pure.cl
+6 -4
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@@ -30,6 +30,11 @@
#define SNMPV3_MAX_ENGINE_ELEMS 32 // 32 * 4 = 128 > 34, also has to be multiple of SNMPV3_MAX_PW_LENGTH
#define SNMPV3_MAX_PNUM_ELEMS 4 // 4 * 4 = 16 > 9
#define SNMPV3_MAX_PW_LENGTH_OPT 32
#define SNMPV3_TMP_ELEMS_OPT ((SNMPV3_MAX_PW_LENGTH_OPT * SNMPV3_MAX_PW_LENGTH) / 4)
// (32 * 128) / 4 = 1024
// for pw length > 32 we use global memory reads
typedef struct hmac_sha384_tmp
{
u32 tmp[SNMPV3_TMP_ELEMS];
@@ -171,10 +176,7 @@ KERNEL_FQ void m26900_loop (KERN_ATTR_TMPS_ESALT (hmac_sha384_tmp_t, snmpv3_t))
const int pw_len128 = pw_len * 128;
#define SNMPV3_TMP_ELEMS_OPT 8192 // 8192 = (128 max pw length * 64) / sizeof (u32)
// for pw length > 128 we use global memory reads
if (pw_len < 128)
if (pw_len <= SNMPV3_MAX_PW_LENGTH_OPT)
{
u32 tmp[SNMPV3_TMP_ELEMS_OPT];