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Diffstat (limited to 'src/crypto/aes/asm/aesni-x86.pl')
-rw-r--r--src/crypto/aes/asm/aesni-x86.pl319
1 files changed, 306 insertions, 13 deletions
diff --git a/src/crypto/aes/asm/aesni-x86.pl b/src/crypto/aes/asm/aesni-x86.pl
index 3deb86a..f67df8c 100644
--- a/src/crypto/aes/asm/aesni-x86.pl
+++ b/src/crypto/aes/asm/aesni-x86.pl
@@ -51,7 +51,7 @@
# Westmere 3.77/1.37 1.37 1.52 1.27
# * Bridge 5.07/0.98 0.99 1.09 0.91
# Haswell 4.44/0.80 0.97 1.03 0.72
-# Atom 5.77/3.56 3.67 4.03 3.46
+# Silvermont 5.77/3.56 3.67 4.03 3.46
# Bulldozer 5.80/0.98 1.05 1.24 0.93
$PREFIX="aesni"; # if $PREFIX is set to "AES", the script
@@ -65,6 +65,9 @@ require "x86asm.pl";
&asm_init($ARGV[0],$0);
+&external_label("OPENSSL_ia32cap_P");
+&static_label("key_const");
+
if ($PREFIX eq "aesni") { $movekey=\&movups; }
else { $movekey=\&movups; }
@@ -181,7 +184,10 @@ sub aesni_generate1 # fully unrolled loop
{ &aesni_inline_generate1("enc"); }
else
{ &call ("_aesni_encrypt1"); }
+ &pxor ($rndkey0,$rndkey0); # clear register bank
+ &pxor ($rndkey1,$rndkey1);
&movups (&QWP(0,"eax"),$inout0);
+ &pxor ($inout0,$inout0);
&ret ();
&function_end_B("${PREFIX}_encrypt");
@@ -197,7 +203,10 @@ sub aesni_generate1 # fully unrolled loop
{ &aesni_inline_generate1("dec"); }
else
{ &call ("_aesni_decrypt1"); }
+ &pxor ($rndkey0,$rndkey0); # clear register bank
+ &pxor ($rndkey1,$rndkey1);
&movups (&QWP(0,"eax"),$inout0);
+ &pxor ($inout0,$inout0);
&ret ();
&function_end_B("${PREFIX}_decrypt");
@@ -349,17 +358,15 @@ sub aesni_generate6
&neg ($rounds);
eval"&aes${p} ($inout2,$rndkey1)";
&pxor ($inout5,$rndkey0);
+ &$movekey ($rndkey0,&QWP(0,$key,$rounds));
&add ($rounds,16);
- eval"&aes${p} ($inout3,$rndkey1)";
- eval"&aes${p} ($inout4,$rndkey1)";
- eval"&aes${p} ($inout5,$rndkey1)";
- &$movekey ($rndkey0,&QWP(-16,$key,$rounds));
- &jmp (&label("_aesni_${p}rypt6_enter"));
+ &jmp (&label("_aesni_${p}rypt6_inner"));
&set_label("${p}6_loop",16);
eval"&aes${p} ($inout0,$rndkey1)";
eval"&aes${p} ($inout1,$rndkey1)";
eval"&aes${p} ($inout2,$rndkey1)";
+ &set_label("_aesni_${p}rypt6_inner");
eval"&aes${p} ($inout3,$rndkey1)";
eval"&aes${p} ($inout4,$rndkey1)";
eval"&aes${p} ($inout5,$rndkey1)";
@@ -615,6 +622,14 @@ if ($PREFIX eq "aesni") {
&movups (&QWP(0x30,$out),$inout3);
&set_label("ecb_ret");
+ &pxor ("xmm0","xmm0"); # clear register bank
+ &pxor ("xmm1","xmm1");
+ &pxor ("xmm2","xmm2");
+ &pxor ("xmm3","xmm3");
+ &pxor ("xmm4","xmm4");
+ &pxor ("xmm5","xmm5");
+ &pxor ("xmm6","xmm6");
+ &pxor ("xmm7","xmm7");
&function_end("aesni_ecb_encrypt");
######################################################################
@@ -704,6 +719,15 @@ if ($PREFIX eq "aesni") {
&mov ("esp",&DWP(48,"esp"));
&mov ($out,&wparam(5));
&movups (&QWP(0,$out),$cmac);
+
+ &pxor ("xmm0","xmm0"); # clear register bank
+ &pxor ("xmm1","xmm1");
+ &pxor ("xmm2","xmm2");
+ &pxor ("xmm3","xmm3");
+ &pxor ("xmm4","xmm4");
+ &pxor ("xmm5","xmm5");
+ &pxor ("xmm6","xmm6");
+ &pxor ("xmm7","xmm7");
&function_end("aesni_ccm64_encrypt_blocks");
&function_begin("aesni_ccm64_decrypt_blocks");
@@ -804,6 +828,15 @@ if ($PREFIX eq "aesni") {
&mov ("esp",&DWP(48,"esp"));
&mov ($out,&wparam(5));
&movups (&QWP(0,$out),$cmac);
+
+ &pxor ("xmm0","xmm0"); # clear register bank
+ &pxor ("xmm1","xmm1");
+ &pxor ("xmm2","xmm2");
+ &pxor ("xmm3","xmm3");
+ &pxor ("xmm4","xmm4");
+ &pxor ("xmm5","xmm5");
+ &pxor ("xmm6","xmm6");
+ &pxor ("xmm7","xmm7");
&function_end("aesni_ccm64_decrypt_blocks");
}
@@ -1053,6 +1086,17 @@ if ($PREFIX eq "aesni") {
&movups (&QWP(0x30,$out),$inout3);
&set_label("ctr32_ret");
+ &pxor ("xmm0","xmm0"); # clear register bank
+ &pxor ("xmm1","xmm1");
+ &pxor ("xmm2","xmm2");
+ &pxor ("xmm3","xmm3");
+ &pxor ("xmm4","xmm4");
+ &movdqa (&QWP(32,"esp"),"xmm0"); # clear stack
+ &pxor ("xmm5","xmm5");
+ &movdqa (&QWP(48,"esp"),"xmm0");
+ &pxor ("xmm6","xmm6");
+ &movdqa (&QWP(64,"esp"),"xmm0");
+ &pxor ("xmm7","xmm7");
&mov ("esp",&DWP(80,"esp"));
&function_end("aesni_ctr32_encrypt_blocks");
@@ -1394,6 +1438,20 @@ if ($PREFIX eq "aesni") {
&movups (&QWP(-16,$out),$inout0); # write output
&set_label("xts_enc_ret");
+ &pxor ("xmm0","xmm0"); # clear register bank
+ &pxor ("xmm1","xmm1");
+ &pxor ("xmm2","xmm2");
+ &movdqa (&QWP(16*0,"esp"),"xmm0"); # clear stack
+ &pxor ("xmm3","xmm3");
+ &movdqa (&QWP(16*1,"esp"),"xmm0");
+ &pxor ("xmm4","xmm4");
+ &movdqa (&QWP(16*2,"esp"),"xmm0");
+ &pxor ("xmm5","xmm5");
+ &movdqa (&QWP(16*3,"esp"),"xmm0");
+ &pxor ("xmm6","xmm6");
+ &movdqa (&QWP(16*4,"esp"),"xmm0");
+ &pxor ("xmm7","xmm7");
+ &movdqa (&QWP(16*5,"esp"),"xmm0");
&mov ("esp",&DWP(16*7+4,"esp")); # restore %esp
&function_end("aesni_xts_encrypt");
@@ -1756,6 +1814,20 @@ if ($PREFIX eq "aesni") {
&movups (&QWP(0,$out),$inout0); # write output
&set_label("xts_dec_ret");
+ &pxor ("xmm0","xmm0"); # clear register bank
+ &pxor ("xmm1","xmm1");
+ &pxor ("xmm2","xmm2");
+ &movdqa (&QWP(16*0,"esp"),"xmm0"); # clear stack
+ &pxor ("xmm3","xmm3");
+ &movdqa (&QWP(16*1,"esp"),"xmm0");
+ &pxor ("xmm4","xmm4");
+ &movdqa (&QWP(16*2,"esp"),"xmm0");
+ &pxor ("xmm5","xmm5");
+ &movdqa (&QWP(16*3,"esp"),"xmm0");
+ &pxor ("xmm6","xmm6");
+ &movdqa (&QWP(16*4,"esp"),"xmm0");
+ &pxor ("xmm7","xmm7");
+ &movdqa (&QWP(16*5,"esp"),"xmm0");
&mov ("esp",&DWP(16*7+4,"esp")); # restore %esp
&function_end("aesni_xts_decrypt");
}
@@ -1808,6 +1880,7 @@ if ($PREFIX eq "aesni") {
&add ($len,16);
&jnz (&label("cbc_enc_tail"));
&movaps ($ivec,$inout0);
+ &pxor ($inout0,$inout0);
&jmp (&label("cbc_ret"));
&set_label("cbc_enc_tail");
@@ -1871,7 +1944,7 @@ if ($PREFIX eq "aesni") {
&movaps ($inout0,$inout5);
&movaps ($ivec,$rndkey0);
&add ($len,0x50);
- &jle (&label("cbc_dec_tail_collected"));
+ &jle (&label("cbc_dec_clear_tail_collected"));
&movups (&QWP(0,$out),$inout0);
&lea ($out,&DWP(0x10,$out));
&set_label("cbc_dec_tail");
@@ -1910,10 +1983,14 @@ if ($PREFIX eq "aesni") {
&xorps ($inout4,$rndkey0);
&movups (&QWP(0,$out),$inout0);
&movups (&QWP(0x10,$out),$inout1);
+ &pxor ($inout1,$inout1);
&movups (&QWP(0x20,$out),$inout2);
+ &pxor ($inout2,$inout2);
&movups (&QWP(0x30,$out),$inout3);
+ &pxor ($inout3,$inout3);
&lea ($out,&DWP(0x40,$out));
&movaps ($inout0,$inout4);
+ &pxor ($inout4,$inout4);
&sub ($len,0x50);
&jmp (&label("cbc_dec_tail_collected"));
@@ -1933,6 +2010,7 @@ if ($PREFIX eq "aesni") {
&xorps ($inout1,$in0);
&movups (&QWP(0,$out),$inout0);
&movaps ($inout0,$inout1);
+ &pxor ($inout1,$inout1);
&lea ($out,&DWP(0x10,$out));
&movaps ($ivec,$in1);
&sub ($len,0x20);
@@ -1945,7 +2023,9 @@ if ($PREFIX eq "aesni") {
&xorps ($inout2,$in1);
&movups (&QWP(0,$out),$inout0);
&movaps ($inout0,$inout2);
+ &pxor ($inout2,$inout2);
&movups (&QWP(0x10,$out),$inout1);
+ &pxor ($inout1,$inout1);
&lea ($out,&DWP(0x20,$out));
&movups ($ivec,&QWP(0x20,$inp));
&sub ($len,0x30);
@@ -1961,29 +2041,44 @@ if ($PREFIX eq "aesni") {
&movups (&QWP(0,$out),$inout0);
&xorps ($inout2,$rndkey1);
&movups (&QWP(0x10,$out),$inout1);
+ &pxor ($inout1,$inout1);
&xorps ($inout3,$rndkey0);
&movups (&QWP(0x20,$out),$inout2);
+ &pxor ($inout2,$inout2);
&lea ($out,&DWP(0x30,$out));
&movaps ($inout0,$inout3);
+ &pxor ($inout3,$inout3);
&sub ($len,0x40);
+ &jmp (&label("cbc_dec_tail_collected"));
+&set_label("cbc_dec_clear_tail_collected",16);
+ &pxor ($inout1,$inout1);
+ &pxor ($inout2,$inout2);
+ &pxor ($inout3,$inout3);
+ &pxor ($inout4,$inout4);
&set_label("cbc_dec_tail_collected");
&and ($len,15);
&jnz (&label("cbc_dec_tail_partial"));
&movups (&QWP(0,$out),$inout0);
+ &pxor ($rndkey0,$rndkey0);
&jmp (&label("cbc_ret"));
&set_label("cbc_dec_tail_partial",16);
&movaps (&QWP(0,"esp"),$inout0);
+ &pxor ($rndkey0,$rndkey0);
&mov ("ecx",16);
&mov ($inp,"esp");
&sub ("ecx",$len);
&data_word(0xA4F3F689); # rep movsb
+ &movdqa (&QWP(0,"esp"),$inout0);
&set_label("cbc_ret");
&mov ("esp",&DWP(16,"esp")); # pull original %esp
&mov ($key_,&wparam(4));
+ &pxor ($inout0,$inout0);
+ &pxor ($rndkey1,$rndkey1);
&movups (&QWP(0,$key_),$ivec); # output IV
+ &pxor ($ivec,$ivec);
&set_label("cbc_abort");
&function_end("${PREFIX}_cbc_encrypt");
@@ -2000,14 +2095,24 @@ if ($PREFIX eq "aesni") {
# $round rounds
&function_begin_B("_aesni_set_encrypt_key");
+ &push ("ebp");
+ &push ("ebx");
&test ("eax","eax");
&jz (&label("bad_pointer"));
&test ($key,$key);
&jz (&label("bad_pointer"));
+ &call (&label("pic"));
+&set_label("pic");
+ &blindpop("ebx");
+ &lea ("ebx",&DWP(&label("key_const")."-".&label("pic"),"ebx"));
+
+ &picmeup("ebp","OPENSSL_ia32cap_P","ebx",&label("key_const"));
&movups ("xmm0",&QWP(0,"eax")); # pull first 128 bits of *userKey
&xorps ("xmm4","xmm4"); # low dword of xmm4 is assumed 0
+ &mov ("ebp",&DWP(4,"ebp"));
&lea ($key,&DWP(16,$key));
+ &and ("ebp",1<<28|1<<11); # AVX and XOP bits
&cmp ($rounds,256);
&je (&label("14rounds"));
&cmp ($rounds,192);
@@ -2016,6 +2121,9 @@ if ($PREFIX eq "aesni") {
&jne (&label("bad_keybits"));
&set_label("10rounds",16);
+ &cmp ("ebp",1<<28);
+ &je (&label("10rounds_alt"));
+
&mov ($rounds,9);
&$movekey (&QWP(-16,$key),"xmm0"); # round 0
&aeskeygenassist("xmm1","xmm0",0x01); # round 1
@@ -2040,8 +2148,8 @@ if ($PREFIX eq "aesni") {
&call (&label("key_128"));
&$movekey (&QWP(0,$key),"xmm0");
&mov (&DWP(80,$key),$rounds);
- &xor ("eax","eax");
- &ret();
+
+ &jmp (&label("good_key"));
&set_label("key_128",16);
&$movekey (&QWP(0,$key),"xmm0");
@@ -2055,8 +2163,76 @@ if ($PREFIX eq "aesni") {
&xorps ("xmm0","xmm1");
&ret();
+&set_label("10rounds_alt",16);
+ &movdqa ("xmm5",&QWP(0x00,"ebx"));
+ &mov ($rounds,8);
+ &movdqa ("xmm4",&QWP(0x20,"ebx"));
+ &movdqa ("xmm2","xmm0");
+ &movdqu (&QWP(-16,$key),"xmm0");
+
+&set_label("loop_key128");
+ &pshufb ("xmm0","xmm5");
+ &aesenclast ("xmm0","xmm4");
+ &pslld ("xmm4",1);
+ &lea ($key,&DWP(16,$key));
+
+ &movdqa ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm2","xmm3");
+
+ &pxor ("xmm0","xmm2");
+ &movdqu (&QWP(-16,$key),"xmm0");
+ &movdqa ("xmm2","xmm0");
+
+ &dec ($rounds);
+ &jnz (&label("loop_key128"));
+
+ &movdqa ("xmm4",&QWP(0x30,"ebx"));
+
+ &pshufb ("xmm0","xmm5");
+ &aesenclast ("xmm0","xmm4");
+ &pslld ("xmm4",1);
+
+ &movdqa ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm2","xmm3");
+
+ &pxor ("xmm0","xmm2");
+ &movdqu (&QWP(0,$key),"xmm0");
+
+ &movdqa ("xmm2","xmm0");
+ &pshufb ("xmm0","xmm5");
+ &aesenclast ("xmm0","xmm4");
+
+ &movdqa ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm3","xmm2");
+ &pslldq ("xmm2",4);
+ &pxor ("xmm2","xmm3");
+
+ &pxor ("xmm0","xmm2");
+ &movdqu (&QWP(16,$key),"xmm0");
+
+ &mov ($rounds,9);
+ &mov (&DWP(96,$key),$rounds);
+
+ &jmp (&label("good_key"));
+
&set_label("12rounds",16);
&movq ("xmm2",&QWP(16,"eax")); # remaining 1/3 of *userKey
+ &cmp ("ebp",1<<28);
+ &je (&label("12rounds_alt"));
+
&mov ($rounds,11);
&$movekey (&QWP(-16,$key),"xmm0"); # round 0
&aeskeygenassist("xmm1","xmm2",0x01); # round 1,2
@@ -2077,8 +2253,8 @@ if ($PREFIX eq "aesni") {
&call (&label("key_192b"));
&$movekey (&QWP(0,$key),"xmm0");
&mov (&DWP(48,$key),$rounds);
- &xor ("eax","eax");
- &ret();
+
+ &jmp (&label("good_key"));
&set_label("key_192a",16);
&$movekey (&QWP(0,$key),"xmm0");
@@ -2108,10 +2284,52 @@ if ($PREFIX eq "aesni") {
&lea ($key,&DWP(32,$key));
&jmp (&label("key_192b_warm"));
+&set_label("12rounds_alt",16);
+ &movdqa ("xmm5",&QWP(0x10,"ebx"));
+ &movdqa ("xmm4",&QWP(0x20,"ebx"));
+ &mov ($rounds,8);
+ &movdqu (&QWP(-16,$key),"xmm0");
+
+&set_label("loop_key192");
+ &movq (&QWP(0,$key),"xmm2");
+ &movdqa ("xmm1","xmm2");
+ &pshufb ("xmm2","xmm5");
+ &aesenclast ("xmm2","xmm4");
+ &pslld ("xmm4",1);
+ &lea ($key,&DWP(24,$key));
+
+ &movdqa ("xmm3","xmm0");
+ &pslldq ("xmm0",4);
+ &pxor ("xmm3","xmm0");
+ &pslldq ("xmm0",4);
+ &pxor ("xmm3","xmm0");
+ &pslldq ("xmm0",4);
+ &pxor ("xmm0","xmm3");
+
+ &pshufd ("xmm3","xmm0",0xff);
+ &pxor ("xmm3","xmm1");
+ &pslldq ("xmm1",4);
+ &pxor ("xmm3","xmm1");
+
+ &pxor ("xmm0","xmm2");
+ &pxor ("xmm2","xmm3");
+ &movdqu (&QWP(-16,$key),"xmm0");
+
+ &dec ($rounds);
+ &jnz (&label("loop_key192"));
+
+ &mov ($rounds,11);
+ &mov (&DWP(32,$key),$rounds);
+
+ &jmp (&label("good_key"));
+
&set_label("14rounds",16);
&movups ("xmm2",&QWP(16,"eax")); # remaining half of *userKey
- &mov ($rounds,13);
&lea ($key,&DWP(16,$key));
+ &cmp ("ebp",1<<28);
+ &je (&label("14rounds_alt"));
+
+ &mov ($rounds,13);
&$movekey (&QWP(-32,$key),"xmm0"); # round 0
&$movekey (&QWP(-16,$key),"xmm2"); # round 1
&aeskeygenassist("xmm1","xmm2",0x01); # round 2
@@ -2143,7 +2361,8 @@ if ($PREFIX eq "aesni") {
&$movekey (&QWP(0,$key),"xmm0");
&mov (&DWP(16,$key),$rounds);
&xor ("eax","eax");
- &ret();
+
+ &jmp (&label("good_key"));
&set_label("key_256a",16);
&$movekey (&QWP(0,$key),"xmm2");
@@ -2169,11 +2388,77 @@ if ($PREFIX eq "aesni") {
&xorps ("xmm2","xmm1");
&ret();
+&set_label("14rounds_alt",16);
+ &movdqa ("xmm5",&QWP(0x00,"ebx"));
+ &movdqa ("xmm4",&QWP(0x20,"ebx"));
+ &mov ($rounds,7);
+ &movdqu (&QWP(-32,$key),"xmm0");
+ &movdqa ("xmm1","xmm2");
+ &movdqu (&QWP(-16,$key),"xmm2");
+
+&set_label("loop_key256");
+ &pshufb ("xmm2","xmm5");
+ &aesenclast ("xmm2","xmm4");
+
+ &movdqa ("xmm3","xmm0");
+ &pslldq ("xmm0",4);
+ &pxor ("xmm3","xmm0");
+ &pslldq ("xmm0",4);
+ &pxor ("xmm3","xmm0");
+ &pslldq ("xmm0",4);
+ &pxor ("xmm0","xmm3");
+ &pslld ("xmm4",1);
+
+ &pxor ("xmm0","xmm2");
+ &movdqu (&QWP(0,$key),"xmm0");
+
+ &dec ($rounds);
+ &jz (&label("done_key256"));
+
+ &pshufd ("xmm2","xmm0",0xff);
+ &pxor ("xmm3","xmm3");
+ &aesenclast ("xmm2","xmm3");
+
+ &movdqa ("xmm3","xmm1")
+ &pslldq ("xmm1",4);
+ &pxor ("xmm3","xmm1");
+ &pslldq ("xmm1",4);
+ &pxor ("xmm3","xmm1");
+ &pslldq ("xmm1",4);
+ &pxor ("xmm1","xmm3");
+
+ &pxor ("xmm2","xmm1");
+ &movdqu (&QWP(16,$key),"xmm2");
+ &lea ($key,&DWP(32,$key));
+ &movdqa ("xmm1","xmm2");
+ &jmp (&label("loop_key256"));
+
+&set_label("done_key256");
+ &mov ($rounds,13);
+ &mov (&DWP(16,$key),$rounds);
+
+&set_label("good_key");
+ &pxor ("xmm0","xmm0");
+ &pxor ("xmm1","xmm1");
+ &pxor ("xmm2","xmm2");
+ &pxor ("xmm3","xmm3");
+ &pxor ("xmm4","xmm4");
+ &pxor ("xmm5","xmm5");
+ &xor ("eax","eax");
+ &pop ("ebx");
+ &pop ("ebp");
+ &ret ();
+
&set_label("bad_pointer",4);
&mov ("eax",-1);
+ &pop ("ebx");
+ &pop ("ebp");
&ret ();
&set_label("bad_keybits",4);
+ &pxor ("xmm0","xmm0");
&mov ("eax",-2);
+ &pop ("ebx");
+ &pop ("ebp");
&ret ();
&function_end_B("_aesni_set_encrypt_key");
@@ -2223,10 +2508,18 @@ if ($PREFIX eq "aesni") {
&aesimc ("xmm0","xmm0");
&$movekey (&QWP(0,$key),"xmm0");
+ &pxor ("xmm0","xmm0");
+ &pxor ("xmm1","xmm1");
&xor ("eax","eax"); # return success
&set_label("dec_key_ret");
&ret ();
&function_end_B("${PREFIX}_set_decrypt_key");
+
+&set_label("key_const",64);
+&data_word(0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d);
+&data_word(0x04070605,0x04070605,0x04070605,0x04070605);
+&data_word(1,1,1,1);
+&data_word(0x1b,0x1b,0x1b,0x1b);
&asciz("AES for Intel AES-NI, CRYPTOGAMS by <appro\@openssl.org>");
&asm_finish();
generated by cgit v1.1 at 2024-05-23 09:19:49 +0000