From: Andy Polyakov <appro@openssl.org>
Date: Tue, 10 Jun 2014 22:08:03 +0000 (+0200)
Subject: Engage ARMv8 AES support [from HEAD].
X-Git-Tag: OpenSSL_1_0_2-beta2~145
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7e03acf2be20bf3f27147f8533ba5f863d7691da;p=openssl

Engage ARMv8 AES support [from HEAD].
---

diff --git a/Configure b/Configure
index e53c023743..4c063a0cbc 100755
--- a/Configure
+++ b/Configure
@@ -136,8 +136,8 @@ my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o:::::sha1-alpha.o:::::::ghash-a
 my $mips64_asm=":bn-mips.o mips-mont.o::aes_cbc.o aes-mips.o:::sha1-mips.o sha256-mips.o sha512-mips.o::::::::";
 my $mips32_asm=$mips64_asm; $mips32_asm =~ s/\s*sha512\-mips\.o//;
 my $s390x_asm="s390xcap.o s390xcpuid.o:bn-s390x.o s390x-mont.o s390x-gf2m.o::aes-s390x.o aes-ctr.o aes-xts.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o::rc4-s390x.o:::::ghash-s390x.o:";
-my $armv4_asm="armcap.o armv4cpuid.o:bn_asm.o armv4-mont.o armv4-gf2m.o::aes_cbc.o aes-armv4.o bsaes-armv7.o:::sha1-armv4-large.o sha256-armv4.o sha512-armv4.o:::::::ghash-armv4.o::void";
-my $aarch64_asm="armcap.o arm64cpuid.o mem_clr.o::::::sha1-armv8.o sha256-armv8.o sha512-armv8.o::::::::";
+my $armv4_asm="armcap.o armv4cpuid.o:bn_asm.o armv4-mont.o armv4-gf2m.o::aes_cbc.o aes-armv4.o bsaes-armv7.o aesv8-armx.o:::sha1-armv4-large.o sha256-armv4.o sha512-armv4.o:::::::ghash-armv4.o::void";
+my $aarch64_asm="armcap.o arm64cpuid.o mem_clr.o:::aes_core.o aes_cbc.o aesv8-armx.o:::sha1-armv8.o sha256-armv8.o sha512-armv8.o::::::::";
 my $parisc11_asm="pariscid.o:bn_asm.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::32";
 my $parisc20_asm="pariscid.o:pa-risc2W.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::64";
 my $ppc64_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o vpaes-ppc.o:::sha1-ppc.o sha256-ppc.o sha512-ppc.o::::::::";
diff --git a/TABLE b/TABLE
index d10cb85c87..71bd7de1de 100644
--- a/TABLE
+++ b/TABLE
@@ -1100,7 +1100,7 @@ $bn_ops       = BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR
 $cpuid_obj    = armcap.o armv4cpuid.o
 $bn_obj       = bn_asm.o armv4-mont.o armv4-gf2m.o
 $des_obj      = 
-$aes_obj      = aes_cbc.o aes-armv4.o bsaes-armv7.o
+$aes_obj      = aes_cbc.o aes-armv4.o bsaes-armv7.o aesv8-armx.o
 $bf_obj       = 
 $md5_obj      = 
 $sha1_obj     = sha1-armv4-large.o sha256-armv4.o sha512-armv4.o
@@ -1652,7 +1652,7 @@ $multilib     =
 
 *** debug-VC-WIN32
 $cc           = cl
-$cflags       = -W3 -WX -Gs0 -GF -Gy -Zi -nologo -DOPENSSL_SYSNAME_WIN32 -DWIN32_LEAN_AND_MEAN -DL_ENDIAN -D_CRT_SECURE_NO_DEPRECATE
+$cflags       = -W3 -Gs0 -GF -Gy -Zi -nologo -DOPENSSL_SYSNAME_WIN32 -DWIN32_LEAN_AND_MEAN -DL_ENDIAN -D_CRT_SECURE_NO_DEPRECATE
 $unistd       = 
 $thread_cflag = 
 $sys_id       = WIN32
@@ -1883,7 +1883,7 @@ $multilib     =
 
 *** debug-ben-debug-64-clang
 $cc           = clang
-$cflags       = -Wall -pedantic -DPEDANTIC -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wshadow -Wformat -Werror -DCRYPTO_MDEBUG_ALL -DCRYPTO_MDEBUG_ABORT -DREF_CHECK -DOPENSSL_NO_DEPRECATED -fsanitize=undefined -Wno-error=overlength-strings -Wno-error=extended-offsetof -Wno-error=language-extension-token -Wstrict-overflow -Qunused-arguments -DBN_DEBUG -DCONF_DEBUG -DDEBUG_SAFESTACK -DDEBUG_UNUSED -g3 -O3 -pipe
+$cflags       = -Wall -pedantic -DPEDANTIC -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wshadow -Wformat -Werror -DCRYPTO_MDEBUG_ALL -DCRYPTO_MDEBUG_ABORT -DREF_CHECK -DOPENSSL_NO_DEPRECATED -Wno-error=overlength-strings -Wno-error=extended-offsetof -Qunused-arguments -DBN_DEBUG -DCONF_DEBUG -DDEBUG_SAFESTACK -DDEBUG_UNUSED -g3 -O3 -pipe
 $unistd       = 
 $thread_cflag = -pthread -D_THREAD_SAFE -D_REENTRANT
 $sys_id       = 
@@ -2244,39 +2244,6 @@ $ranlib       =
 $arflags      = 
 $multilib     = 
 
-*** debug-erbridge
-$cc           = gcc
-$cflags       = -Wall -pedantic -DPEDANTIC -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wshadow -Wformat -Werror -DCRYPTO_MDEBUG_ALL -DCRYPTO_MDEBUG_ABORT -DREF_CHECK -DOPENSSL_NO_DEPRECATED -DBN_DEBUG -DCONF_DEBUG -DCRYPTO_MDEBUG -m64 -DL_ENDIAN -DTERMIO -g
-$unistd       = 
-$thread_cflag = -D_REENTRANT
-$sys_id       = 
-$lflags       = -ldl
-$bn_ops       = SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL
-$cpuid_obj    = x86_64cpuid.o
-$bn_obj       = x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o rsaz_exp.o rsaz-x86_64.o rsaz-avx2.o
-$des_obj      = 
-$aes_obj      = aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o aesni-sha256-x86_64.o aesni-mb-x86_64.o
-$bf_obj       = 
-$md5_obj      = md5-x86_64.o
-$sha1_obj     = sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o sha1-mb-x86_64.o sha256-mb-x86_64.o
-$cast_obj     = 
-$rc4_obj      = rc4-x86_64.o rc4-md5-x86_64.o
-$rmd160_obj   = 
-$rc5_obj      = 
-$wp_obj       = wp-x86_64.o
-$cmll_obj     = cmll-x86_64.o cmll_misc.o
-$modes_obj    = ghash-x86_64.o aesni-gcm-x86_64.o
-$engines_obj  = e_padlock-x86_64.o
-$perlasm_scheme = elf
-$dso_scheme   = dlfcn
-$shared_target= linux-shared
-$shared_cflag = -fPIC
-$shared_ldflag = -m64
-$shared_extension = .so.$(SHLIB_MAJOR).$(SHLIB_MINOR)
-$ranlib       = 
-$arflags      = 
-$multilib     = 64
-
 *** debug-geoff32
 $cc           = gcc
 $cflags       = -DBN_DEBUG -DBN_DEBUG_RAND -DBN_STRICT -DPURIFY -DOPENSSL_NO_DEPRECATED -DOPENSSL_NO_ASM -DOPENSSL_NO_INLINE_ASM -DL_ENDIAN -DTERMIO -DPEDANTIC -O1 -ggdb2 -Wall -Werror -Wundef -pedantic -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-align -Wsign-compare -Wmissing-prototypes -Wmissing-declarations -Wno-long-long
@@ -4004,7 +3971,7 @@ $bn_ops       = SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR
 $cpuid_obj    = armcap.o arm64cpuid.o mem_clr.o
 $bn_obj       = 
 $des_obj      = 
-$aes_obj      = 
+$aes_obj      = aes_core.o aes_cbc.o aesv8-armx.o
 $bf_obj       = 
 $md5_obj      = 
 $sha1_obj     = sha1-armv8.o sha256-armv8.o sha512-armv8.o
@@ -4202,7 +4169,7 @@ $bn_ops       = BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR
 $cpuid_obj    = armcap.o armv4cpuid.o
 $bn_obj       = bn_asm.o armv4-mont.o armv4-gf2m.o
 $des_obj      = 
-$aes_obj      = aes_cbc.o aes-armv4.o bsaes-armv7.o
+$aes_obj      = aes_cbc.o aes-armv4.o bsaes-armv7.o aesv8-armx.o
 $bf_obj       = 
 $md5_obj      = 
 $sha1_obj     = sha1-armv4-large.o sha256-armv4.o sha512-armv4.o
diff --git a/crypto/aes/Makefile b/crypto/aes/Makefile
index ce9bb925fd..e9fa404baf 100644
--- a/crypto/aes/Makefile
+++ b/crypto/aes/Makefile
@@ -86,6 +86,10 @@ aes-parisc.s:	asm/aes-parisc.pl
 aes-mips.S:	asm/aes-mips.pl
 	$(PERL) asm/aes-mips.pl $(PERLASM_SCHEME) $@
 
+aesv8-armx.S:	asm/aesv8-armx.pl
+	$(PERL) asm/aesv8-armx.pl $(PERLASM_SCHEME) $@
+aesv8-armx.o:	aesv8-armx.S
+
 # GNU make "catch all"
 aes-%.S:	asm/aes-%.pl;	$(PERL) $< $(PERLASM_SCHEME) > $@
 aes-armv4.o:	aes-armv4.S
diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c
index 4740dab17a..04111ae50a 100644
--- a/crypto/evp/e_aes.c
+++ b/crypto/evp/e_aes.c
@@ -900,13 +900,38 @@ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
 { return &aes_##keylen##_##mode; }
 #endif
 
-#if defined(AES_ASM) && defined(BSAES_ASM) && (defined(__arm__) || defined(__arm))
+#if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
 #include "arm_arch.h"
 #if __ARM_ARCH__>=7
-#define BSAES_CAPABLE  (OPENSSL_armcap_P & ARMV7_NEON)
+# if defined(BSAES_ASM)
+#  define BSAES_CAPABLE	(OPENSSL_armcap_P & ARMV7_NEON)
+# endif
+# define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
+# define HWAES_set_encrypt_key aes_v8_set_encrypt_key
+# define HWAES_set_decrypt_key aes_v8_set_decrypt_key
+# define HWAES_encrypt aes_v8_encrypt
+# define HWAES_decrypt aes_v8_decrypt
+# define HWAES_cbc_encrypt aes_v8_cbc_encrypt
+# define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
 #endif
 #endif
 
+#if defined(HWAES_CAPABLE)
+int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
+	AES_KEY *key);
+int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
+	AES_KEY *key);
+void HWAES_encrypt(const unsigned char *in, unsigned char *out,
+	const AES_KEY *key);
+void HWAES_decrypt(const unsigned char *in, unsigned char *out,
+	const AES_KEY *key);
+void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+	size_t length, const AES_KEY *key,
+	unsigned char *ivec, const int enc);
+void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
+	size_t len, const AES_KEY *key, const unsigned char ivec[16]);
+#endif
+
 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags)		\
 	BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1)	\
 	BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1)	\
@@ -925,6 +950,19 @@ static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 	mode = ctx->cipher->flags & EVP_CIPH_MODE;
 	if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
 	    && !enc)
+#ifdef HWAES_CAPABLE
+	    if (HWAES_CAPABLE)
+		{
+		ret = HWAES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
+		dat->block      = (block128_f)HWAES_decrypt;
+		dat->stream.cbc = NULL;
+#ifdef HWAES_cbc_encrypt
+		if (mode==EVP_CIPH_CBC_MODE)
+		    dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
+#endif
+		}
+	    else
+#endif
 #ifdef BSAES_CAPABLE
 	    if (BSAES_CAPABLE && mode==EVP_CIPH_CBC_MODE)
 		{
@@ -953,6 +991,26 @@ static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 					NULL;
 		}
 	else
+#ifdef HWAES_CAPABLE
+	    if (HWAES_CAPABLE)
+		{
+		ret = HWAES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
+		dat->block      = (block128_f)HWAES_encrypt;
+		dat->stream.cbc = NULL;
+#ifdef HWAES_cbc_encrypt
+		if (mode==EVP_CIPH_CBC_MODE)
+		    dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
+		else
+#endif
+#ifdef HWAES_ctr32_encrypt_blocks
+		if (mode==EVP_CIPH_CTR_MODE)
+		    dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
+		else
+#endif
+		(void)0;	/* terminate potentially open 'else' */
+		}
+	    else
+#endif
 #ifdef BSAES_CAPABLE
 	    if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE)
 		{
@@ -1240,6 +1298,21 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 		return 1;
 	if (key)
 		{ do {
+#ifdef HWAES_CAPABLE
+		if (HWAES_CAPABLE)
+			{
+			HWAES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
+			CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
+					(block128_f)HWAES_encrypt);
+#ifdef HWAES_ctr32_encrypt_blocks
+			gctx->ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
+#else
+			gctx->ctr = NULL;
+#endif
+			break;
+			}
+		else
+#endif
 #ifdef BSAES_CAPABLE
 		if (BSAES_CAPABLE)
 			{
@@ -1635,6 +1708,29 @@ static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 		xctx->stream = NULL;
 #endif
 		/* key_len is two AES keys */
+#ifdef HWAES_CAPABLE
+		if (HWAES_CAPABLE)
+			{
+			if (enc)
+			    {
+			    HWAES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+			    xctx->xts.block1 = (block128_f)HWAES_encrypt;
+			    }
+			else
+			    {
+			    HWAES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+			    xctx->xts.block1 = (block128_f)HWAES_decrypt;
+			    }
+
+			HWAES_set_encrypt_key(key + ctx->key_len/2,
+						    ctx->key_len * 4, &xctx->ks2.ks);
+			xctx->xts.block2 = (block128_f)HWAES_encrypt;
+
+			xctx->xts.key1 = &xctx->ks1;
+			break;
+			}
+		else
+#endif
 #ifdef BSAES_CAPABLE
 		if (BSAES_CAPABLE)
 			xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
@@ -1776,6 +1872,19 @@ static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
 		return 1;
 	if (key) do
 		{
+#ifdef HWAES_CAPABLE
+		if (HWAES_CAPABLE)
+			{
+			HWAES_set_encrypt_key(key,ctx->key_len*8,&cctx->ks.ks);
+
+			CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+					&cctx->ks, (block128_f)HWAES_encrypt);
+			cctx->str = NULL;
+			cctx->key_set = 1;
+			break;
+			}
+		else
+#endif
 #ifdef VPAES_CAPABLE
 		if (VPAES_CAPABLE)
 			{