diff options
Diffstat (limited to 'crypto/rc4')
-rw-r--r-- | crypto/rc4/rc4_skey.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/crypto/rc4/rc4_skey.c b/crypto/rc4/rc4_skey.c index b22c40b0bd..46b77ec321 100644 --- a/crypto/rc4/rc4_skey.c +++ b/crypto/rc4/rc4_skey.c @@ -119,14 +119,15 @@ void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data) * implementations suffer from significant performance * losses then, e.g. PIII exhibits >2x deterioration, * and so does Opteron. In order to assure optimal - * all-round performance, let us [try to] detect P4 at - * run-time by checking upon HTT bit in CPU capability + * all-round performance, we detect P4 at run-time by + * checking upon reserved bit 20 in CPU capability * vector and set up compressed key schedule, which is * recognized by correspondingly updated assembler - * module... + * module... Bit 20 is set up by OPENSSL_ia32_cpuid. + * * <appro@fy.chalmers.se> */ - if (OPENSSL_ia32cap_P & (1<<28)) { + if (OPENSSL_ia32cap_P & (1<<20)) { unsigned char *cp=(unsigned char *)d; for (i=0;i<256;i++) cp[i]=i; |