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authorAndy Polyakov <appro@openssl.org>2014-07-20 14:16:31 +0200
committerAndy Polyakov <appro@openssl.org>2014-07-20 14:16:31 +0200
commit0e716d9207e00c9d967492b3b8bb89efad16bd06 (patch)
tree90f31bde709857570c9f7c4203b816bd6ae870ff /crypto/modes/gcm128.c
parentf5b798f50c83bed58d90f940e427552b97eddcb7 (diff)
Engage GHASH for PowerISA 2.0.7.
[and split ppccap.c to ppccap.c and ppc_arch.h] Reviewed-by: Kurt Roeckx <kurt@openssl.org> Reviewed-by: Tim Hudson <tjh@openssl.org>
Diffstat (limited to 'crypto/modes/gcm128.c')
-rw-r--r--crypto/modes/gcm128.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/crypto/modes/gcm128.c b/crypto/modes/gcm128.c
index 19cbcf5572..484142aefa 100644
--- a/crypto/modes/gcm128.c
+++ b/crypto/modes/gcm128.c
@@ -700,6 +700,13 @@ extern unsigned int OPENSSL_sparcv9cap_P[];
void gcm_init_vis3(u128 Htable[16],const u64 Xi[2]);
void gcm_gmult_vis3(u64 Xi[2],const u128 Htable[16]);
void gcm_ghash_vis3(u64 Xi[2],const u128 Htable[16],const u8 *inp,size_t len);
+#elif defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
+# include "ppc_arch.h"
+# define GHASH_ASM_PPC
+# define GCM_FUNCREF_4BIT
+void gcm_init_p8(u128 Htable[16],const u64 Xi[2]);
+void gcm_gmult_p8(u64 Xi[2],const u128 Htable[16]);
+void gcm_ghash_p8(u64 Xi[2],const u128 Htable[16],const u8 *inp,size_t len);
# endif
#endif
@@ -803,6 +810,16 @@ void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx,void *key,block128_f block)
ctx->gmult = gcm_gmult_4bit;
ctx->ghash = gcm_ghash_4bit;
}
+# elif defined(GHASH_ASM_PPC)
+ if (OPENSSL_ppccap_P & PPC_CRYPTO207) {
+ gcm_init_p8(ctx->Htable,ctx->H.u);
+ ctx->gmult = gcm_gmult_p8;
+ ctx->ghash = gcm_ghash_p8;
+ } else {
+ gcm_init_4bit(ctx->Htable,ctx->H.u);
+ ctx->gmult = gcm_gmult_4bit;
+ ctx->ghash = gcm_ghash_4bit;
+ }
# else
gcm_init_4bit(ctx->Htable,ctx->H.u);
# endif