1 files changed, 53 insertions, 7 deletions

diff --git a/drivers/builtin_openssl2/crypto/evp/e_des.c b/drivers/builtin_openssl2/crypto/evp/e_des.c
index ea1a4c4228..8ca65cd03a 100644
--- a/drivers/builtin_openssl2/crypto/evp/e_des.c
+++ b/drivers/builtin_openssl2/crypto/evp/e_des.c
@@ -65,6 +65,33 @@
 # include <openssl/des.h>
 # include <openssl/rand.h>
 
+typedef struct {
+    union {
+        double align;
+        DES_key_schedule ks;
+    } ks;
+    union {
+        void (*cbc) (const void *, void *, size_t,
+                     const DES_key_schedule *, unsigned char *);
+    } stream;
+} EVP_DES_KEY;
+
+# if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
+/* ----------^^^ this is not a typo, just a way to detect that
+ * assembler support was in general requested... */
+#  include "sparc_arch.h"
+
+extern unsigned int OPENSSL_sparcv9cap_P[];
+
+#  define SPARC_DES_CAPABLE       (OPENSSL_sparcv9cap_P[1] & CFR_DES)
+
+void des_t4_key_expand(const void *key, DES_key_schedule *ks);
+void des_t4_cbc_encrypt(const void *inp, void *out, size_t len,
+                        const DES_key_schedule *ks, unsigned char iv[8]);
+void des_t4_cbc_decrypt(const void *inp, void *out, size_t len,
+                        const DES_key_schedule *ks, unsigned char iv[8]);
+# endif
+
 static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                         const unsigned char *iv, int enc);
 static int des_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
@@ -102,6 +129,12 @@ static int des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
 static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
                           const unsigned char *in, size_t inl)
 {
+    EVP_DES_KEY *dat = (EVP_DES_KEY *) ctx->cipher_data;
+
+    if (dat->stream.cbc != NULL) {
+        (*dat->stream.cbc) (in, out, inl, &dat->ks.ks, ctx->iv);
+        return 1;
+    }
     while (inl >= EVP_MAXCHUNK) {
         DES_ncbc_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data,
                          (DES_cblock *)ctx->iv, ctx->encrypt);
@@ -179,16 +212,15 @@ static int des_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
     return 1;
 }
 
-BLOCK_CIPHER_defs(des, DES_key_schedule, NID_des, 8, 8, 8, 64,
+BLOCK_CIPHER_defs(des, EVP_DES_KEY, NID_des, 8, 8, 8, 64,
                   EVP_CIPH_RAND_KEY, des_init_key, NULL,
                   EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des_ctrl)
 
+    BLOCK_CIPHER_def_cfb(des, EVP_DES_KEY, NID_des, 8, 8, 1,
+                     EVP_CIPH_RAND_KEY, des_init_key, NULL,
+                     EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des_ctrl)
 
-BLOCK_CIPHER_def_cfb(des, DES_key_schedule, NID_des, 8, 8, 1,
-                 EVP_CIPH_RAND_KEY, des_init_key, NULL,
-                 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des_ctrl)
-
-BLOCK_CIPHER_def_cfb(des, DES_key_schedule, NID_des, 8, 8, 8,
+    BLOCK_CIPHER_def_cfb(des, EVP_DES_KEY, NID_des, 8, 8, 8,
                      EVP_CIPH_RAND_KEY, des_init_key, NULL,
                      EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des_ctrl)
 
@@ -196,8 +228,22 @@ static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                         const unsigned char *iv, int enc)
 {
     DES_cblock *deskey = (DES_cblock *)key;
+    EVP_DES_KEY *dat = (EVP_DES_KEY *) ctx->cipher_data;
+
+    dat->stream.cbc = NULL;
+# if defined(SPARC_DES_CAPABLE)
+    if (SPARC_DES_CAPABLE) {
+        int mode = ctx->cipher->flags & EVP_CIPH_MODE;
+
+        if (mode == EVP_CIPH_CBC_MODE) {
+            des_t4_key_expand(key, &dat->ks.ks);
+            dat->stream.cbc = enc ? des_t4_cbc_encrypt : des_t4_cbc_decrypt;
+            return 1;
+        }
+    }
+# endif
 # ifdef EVP_CHECK_DES_KEY
-    if (DES_set_key_checked(deskey, ctx->cipher_data) != 0)
+    if (DES_set_key_checked(deskey, dat->ks.ks) != 0)
         return 0;
 # else
     DES_set_key_unchecked(deskey, ctx->cipher_data);