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Diffstat (limited to 'crypto/evp/e_des.c')
-rw-r--r--crypto/evp/e_des.c59
1 files changed, 52 insertions, 7 deletions
diff --git a/crypto/evp/e_des.c b/crypto/evp/e_des.c
index ea1a4c422879..aae13a675694 100644
--- a/crypto/evp/e_des.c
+++ b/crypto/evp/e_des.c
@@ -65,6 +65,32 @@
# 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 void *, void *);
+ } 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,
+ DES_key_schedule *ks, unsigned char iv[8]);
+void des_t4_cbc_decrypt(const void *inp, void *out, size_t len,
+ 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 +128,12 @@ 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) {
+ (*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 +211,15 @@ 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 +227,22 @@ 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);