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Diffstat (limited to 'Cryptlib/OpenSSL/crypto/evp/e_des.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/evp/e_des.c152
1 files changed, 119 insertions, 33 deletions
diff --git a/Cryptlib/OpenSSL/crypto/evp/e_des.c b/Cryptlib/OpenSSL/crypto/evp/e_des.c
index e5b99ec2..aae13a67 100644
--- a/Cryptlib/OpenSSL/crypto/evp/e_des.c
+++ b/Cryptlib/OpenSSL/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);
@@ -75,7 +101,7 @@ static int des_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
*/
static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
BLOCK_CIPHER_ecb_loop()
DES_ecb_encrypt((DES_cblock *)(in + i), (DES_cblock *)(out + i),
@@ -84,26 +110,56 @@ static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
}
static int des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- DES_ofb64_encrypt(in, out, (long)inl, ctx->cipher_data,
- (DES_cblock *)ctx->iv, &ctx->num);
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, &ctx->num);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ofb64_encrypt(in, out, (long)inl, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, &ctx->num);
return 1;
}
static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- DES_ncbc_encrypt(in, out, (long)inl, ctx->cipher_data,
- (DES_cblock *)ctx->iv, ctx->encrypt);
+ 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);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ncbc_encrypt(in, out, (long)inl, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, ctx->encrypt);
return 1;
}
static int des_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- DES_cfb64_encrypt(in, out, (long)inl, ctx->cipher_data,
- (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
+ while (inl >= EVP_MAXCHUNK) {
+ DES_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_cfb64_encrypt(in, out, (long)inl, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
return 1;
}
@@ -112,51 +168,81 @@ static int des_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
* way, so wrap it here
*/
static int des_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- unsigned int n;
+ size_t n, chunk = EVP_MAXCHUNK / 8;
unsigned char c[1], d[1];
- for (n = 0; n < inl; ++n) {
- c[0] = (in[n / 8] & (1 << (7 - n % 8))) ? 0x80 : 0;
- DES_cfb_encrypt(c, d, 1, 1, ctx->cipher_data, (DES_cblock *)ctx->iv,
- ctx->encrypt);
- out[n / 8] =
- (out[n / 8] & ~(0x80 >> (n % 8))) | ((d[0] & 0x80) >> (n % 8));
+ if (inl < chunk)
+ chunk = inl;
+
+ while (inl && inl >= chunk) {
+ for (n = 0; n < chunk * 8; ++n) {
+ c[0] = (in[n / 8] & (1 << (7 - n % 8))) ? 0x80 : 0;
+ DES_cfb_encrypt(c, d, 1, 1, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, ctx->encrypt);
+ out[n / 8] =
+ (out[n / 8] & ~(0x80 >> (unsigned int)(n % 8))) |
+ ((d[0] & 0x80) >> (unsigned int)(n % 8));
+ }
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
+ if (inl < chunk)
+ chunk = inl;
}
+
return 1;
}
static int des_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- DES_cfb_encrypt(in, out, 8, inl, ctx->cipher_data, (DES_cblock *)ctx->iv,
- ctx->encrypt);
+ while (inl >= EVP_MAXCHUNK) {
+ DES_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_cfb_encrypt(in, out, 8, (long)inl, ctx->cipher_data,
+ (DES_cblock *)ctx->iv, ctx->encrypt);
return 1;
}
-BLOCK_CIPHER_defs(des, DES_key_schedule, NID_des, 8, 8, 8, 64,
- EVP_CIPH_RAND_KEY,
- des_init_key, NULL,
+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,
- EVP_CIPH_RAND_KEY,
- des_init_key, NULL,
+ 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)
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);
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-17 07:24:05 +0000