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fips.c: x86[_64] capability masking.

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This commit is contained in:
Andy Polyakov 2011-10-20 21:03:09 +00:00
parent 033a25cef5
commit 3b5930442d
1 changed files with 9 additions and 1 deletions
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10
fips/fips.c
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@ -160,6 +160,9 @@ unsigned int FIPS_incore_fingerprint(unsigned char *sig,unsigned int len)
const unsigned char *p4 = FIPS_rodata_end; const unsigned char *p4 = FIPS_rodata_end;
HMAC_CTX c; HMAC_CTX c;
#if defined(_MSC_VER)
#endif
HMAC_CTX_init(&c); HMAC_CTX_init(&c);
HMAC_Init(&c,FIPS_hmac_key,strlen(FIPS_hmac_key),EVP_sha1()); HMAC_Init(&c,FIPS_hmac_key,strlen(FIPS_hmac_key),EVP_sha1());
@ -312,13 +315,18 @@ int FIPS_module_mode_set(int onoff, const char *auth)
} }
#ifdef OPENSSL_IA32_SSE2 #ifdef OPENSSL_IA32_SSE2
if ((OPENSSL_ia32cap & (1<<25|1<<26)) != (1<<25|1<<26)) {
unsigned int OPENSSL_ia32cap_P[];
if ((OPENSSL_ia32cap_P[0] & (1<<25|1<<26)) != (1<<25|1<<26))
{ {
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_UNSUPPORTED_PLATFORM); FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_UNSUPPORTED_PLATFORM);
fips_selftest_fail = 1; fips_selftest_fail = 1;
ret = 0; ret = 0;
goto end; goto end;
} }
OPENSSL_ia32cap_P[0] |= (1<<28); /* set "shared cache" */
OPENSSL_ia32cap_P[1] &= ~(1<<60); /* clear AVX */
}
#endif #endif
if(fips_signature_witness() != FIPS_signature) if(fips_signature_witness() != FIPS_signature)