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keycache tweaks #400

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Merged
AlexLanzano merged 1 commit into from
Jun 3, 2026
Merged

keycache tweaks #400

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11 changes: 11 additions & 0 deletions test/wh_test_crypto.c
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Original file line number Diff line number Diff line change
Expand Up @@ -972,6 +972,17 @@ static int whTest_CryptoRsaAsync(whClientContext* ctx, WC_RNG* rng)
}
}

/* Evict keys now that we are done with them to free up cache space */
if (ret == WH_ERROR_OK && keyCached) {
ret = wh_Client_KeyEvict(ctx, keyId);
if (ret != WH_ERROR_OK) {
WH_ERROR_PRINT("KeyEvict after sign/verify failed: %d\n", ret);
}
else {
keyCached = 0;
}
}

/* 9) RsaMakeExportKey async: server generates ephemeral key, returns DER.
*/
if (ret == WH_ERROR_OK) {
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7 changes: 6 additions & 1 deletion wolfhsm/wh_settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -225,12 +225,17 @@

/* Number of RAM keys */
#ifndef WOLFHSM_CFG_SERVER_KEYCACHE_COUNT
#if defined(WOLFHSM_CFG_SHE_EXTENSION)
/* Default to large enough cache to hold all SHE keys */
#define WOLFHSM_CFG_SERVER_KEYCACHE_COUNT 16
#else
#define WOLFHSM_CFG_SERVER_KEYCACHE_COUNT 8
#endif
#endif

/* Number of big RAM keys */
#ifndef WOLFHSM_CFG_SERVER_KEYCACHE_BIG_COUNT
#define WOLFHSM_CFG_SERVER_KEYCACHE_BIG_COUNT 1
#define WOLFHSM_CFG_SERVER_KEYCACHE_BIG_COUNT 3
#endif

/* Size in bytes of each key cache buffer */
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