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-rw-r--r--crypto/evp/e_des3.c403
1 files changed, 202 insertions, 201 deletions
diff --git a/crypto/evp/e_des3.c b/crypto/evp/e_des3.c
index 7e1e8b309caa..07a5aca606de 100644
--- a/crypto/evp/e_des3.c
+++ b/crypto/evp/e_des3.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -59,260 +59,261 @@
#include <stdio.h>
#include "cryptlib.h"
#ifndef OPENSSL_NO_DES
-#include <openssl/evp.h>
-#include <openssl/objects.h>
-#include "evp_locl.h"
-#include <openssl/des.h>
-#include <openssl/rand.h>
+# include <openssl/evp.h>
+# include <openssl/objects.h>
+# include "evp_locl.h"
+# include <openssl/des.h>
+# include <openssl/rand.h>
-#ifndef OPENSSL_FIPS
+# ifndef OPENSSL_FIPS
static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv,int enc);
+ const unsigned char *iv, int enc);
static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv,int enc);
+ const unsigned char *iv, int enc);
static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
-typedef struct
- {
- DES_key_schedule ks1;/* key schedule */
- DES_key_schedule ks2;/* key schedule (for ede) */
- DES_key_schedule ks3;/* key schedule (for ede3) */
- } DES_EDE_KEY;
+typedef struct {
+ DES_key_schedule ks1; /* key schedule */
+ DES_key_schedule ks2; /* key schedule (for ede) */
+ DES_key_schedule ks3; /* key schedule (for ede3) */
+} DES_EDE_KEY;
-#define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data)
+# define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data)
-/* Because of various casts and different args can't use IMPLEMENT_BLOCK_CIPHER */
+/*
+ * Because of various casts and different args can't use
+ * IMPLEMENT_BLOCK_CIPHER
+ */
static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl)
+ const unsigned char *in, size_t inl)
{
- BLOCK_CIPHER_ecb_loop()
- DES_ecb3_encrypt((const_DES_cblock *)(in + i),
- (DES_cblock *)(out + i),
- &data(ctx)->ks1, &data(ctx)->ks2,
- &data(ctx)->ks3,
- ctx->encrypt);
- return 1;
+ BLOCK_CIPHER_ecb_loop()
+ DES_ecb3_encrypt((const_DES_cblock *)(in + i),
+ (DES_cblock *)(out + i),
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, ctx->encrypt);
+ return 1;
}
static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl)
+ const unsigned char *in, size_t inl)
{
- while (inl>=EVP_MAXCHUNK)
- {
- DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,
- &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
- (DES_cblock *)ctx->iv, &ctx->num);
- inl-=EVP_MAXCHUNK;
- in +=EVP_MAXCHUNK;
- out+=EVP_MAXCHUNK;
- }
- if (inl)
- DES_ede3_ofb64_encrypt(in, out, (long)inl,
- &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
- (DES_cblock *)ctx->iv, &ctx->num);
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ede3_ofb64_encrypt(in, out, (long)inl,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num);
- return 1;
+ return 1;
}
static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl)
+ const unsigned char *in, size_t inl)
{
-#ifdef KSSL_DEBUG
- {
+# ifdef KSSL_DEBUG
+ {
int i;
- fprintf(stderr,"des_ede_cbc_cipher(ctx=%p, buflen=%d)\n", ctx, ctx->buf_len);
- fprintf(stderr,"\t iv= ");
- for(i=0;i<8;i++)
- fprintf(stderr,"%02X",ctx->iv[i]);
- fprintf(stderr,"\n");
- }
-#endif /* KSSL_DEBUG */
- while (inl>=EVP_MAXCHUNK)
- {
- DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
- &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
- (DES_cblock *)ctx->iv, ctx->encrypt);
- inl-=EVP_MAXCHUNK;
- in +=EVP_MAXCHUNK;
- out+=EVP_MAXCHUNK;
- }
- if (inl)
- DES_ede3_cbc_encrypt(in, out, (long)inl,
- &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
- (DES_cblock *)ctx->iv, ctx->encrypt);
- return 1;
+ fprintf(stderr, "des_ede_cbc_cipher(ctx=%p, buflen=%d)\n", ctx,
+ ctx->buf_len);
+ fprintf(stderr, "\t iv= ");
+ for (i = 0; i < 8; i++)
+ fprintf(stderr, "%02X", ctx->iv[i]);
+ fprintf(stderr, "\n");
+ }
+# endif /* KSSL_DEBUG */
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ede3_cbc_encrypt(in, out, (long)inl,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+ return 1;
}
static int des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl)
+ const unsigned char *in, size_t inl)
{
- while (inl>=EVP_MAXCHUNK)
- {
- DES_ede3_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK,
- &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
- (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
- inl-=EVP_MAXCHUNK;
- in +=EVP_MAXCHUNK;
- out+=EVP_MAXCHUNK;
- }
- if (inl)
- DES_ede3_cfb64_encrypt(in, out, (long)inl,
- &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
- (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
- return 1;
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num, ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_ede3_cfb64_encrypt(in, out, (long)inl,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ &ctx->num, ctx->encrypt);
+ return 1;
}
-/* Although we have a CFB-r implementation for 3-DES, it doesn't pack the right
- way, so wrap it here */
+/*
+ * Although we have a CFB-r implementation for 3-DES, it doesn't pack the
+ * right way, so wrap it here
+ */
static int des_ede3_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl)
- {
+ const unsigned char *in, size_t inl)
+{
size_t n;
- unsigned char c[1],d[1];
+ unsigned char c[1], d[1];
- for(n=0 ; n < inl ; ++n)
- {
- c[0]=(in[n/8]&(1 << (7-n%8))) ? 0x80 : 0;
- DES_ede3_cfb_encrypt(c,d,1,1,
- &data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3,
- (DES_cblock *)ctx->iv,ctx->encrypt);
- out[n/8]=(out[n/8]&~(0x80 >> (unsigned int)(n%8))) |
- ((d[0]&0x80) >> (unsigned int)(n%8));
- }
+ for (n = 0; n < inl; ++n) {
+ c[0] = (in[n / 8] & (1 << (7 - n % 8))) ? 0x80 : 0;
+ DES_ede3_cfb_encrypt(c, d, 1, 1,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+ out[n / 8] = (out[n / 8] & ~(0x80 >> (unsigned int)(n % 8)))
+ | ((d[0] & 0x80) >> (unsigned int)(n % 8));
+ }
return 1;
- }
+}
static int des_ede3_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl)
- {
- while (inl>=EVP_MAXCHUNK)
- {
- DES_ede3_cfb_encrypt(in,out,8,(long)EVP_MAXCHUNK,
- &data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3,
- (DES_cblock *)ctx->iv,ctx->encrypt);
- inl-=EVP_MAXCHUNK;
- in +=EVP_MAXCHUNK;
- out+=EVP_MAXCHUNK;
- }
+ const unsigned char *in, size_t inl)
+{
+ while (inl >= EVP_MAXCHUNK) {
+ DES_ede3_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
+ inl -= EVP_MAXCHUNK;
+ in += EVP_MAXCHUNK;
+ out += EVP_MAXCHUNK;
+ }
if (inl)
- DES_ede3_cfb_encrypt(in,out,8,(long)inl,
- &data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3,
- (DES_cblock *)ctx->iv,ctx->encrypt);
+ DES_ede3_cfb_encrypt(in, out, 8, (long)inl,
+ &data(ctx)->ks1, &data(ctx)->ks2,
+ &data(ctx)->ks3, (DES_cblock *)ctx->iv,
+ ctx->encrypt);
return 1;
- }
+}
BLOCK_CIPHER_defs(des_ede, DES_EDE_KEY, NID_des_ede, 8, 16, 8, 64,
- EVP_CIPH_RAND_KEY, des_ede_init_key, NULL,
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- des3_ctrl)
-
-#define des_ede3_cfb64_cipher des_ede_cfb64_cipher
-#define des_ede3_ofb_cipher des_ede_ofb_cipher
-#define des_ede3_cbc_cipher des_ede_cbc_cipher
-#define des_ede3_ecb_cipher des_ede_ecb_cipher
-
-BLOCK_CIPHER_defs(des_ede3, DES_EDE_KEY, NID_des_ede3, 8, 24, 8, 64,
- EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL,
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- des3_ctrl)
+ EVP_CIPH_RAND_KEY, des_ede_init_key, NULL,
+ EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des3_ctrl)
+# define des_ede3_cfb64_cipher des_ede_cfb64_cipher
+# define des_ede3_ofb_cipher des_ede_ofb_cipher
+# define des_ede3_cbc_cipher des_ede_cbc_cipher
+# define des_ede3_ecb_cipher des_ede_ecb_cipher
+ BLOCK_CIPHER_defs(des_ede3, DES_EDE_KEY, NID_des_ede3, 8, 24, 8, 64,
+ EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL,
+ EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des3_ctrl)
-BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,1,
- EVP_CIPH_RAND_KEY, des_ede3_init_key,NULL,
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- des3_ctrl)
+ BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 1,
+ EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL,
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv, des3_ctrl)
-BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,8,
- EVP_CIPH_RAND_KEY, des_ede3_init_key,NULL,
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- des3_ctrl)
+ BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 8,
+ EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL,
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv, des3_ctrl)
static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- DES_cblock *deskey = (DES_cblock *)key;
-#ifdef EVP_CHECK_DES_KEY
- if (DES_set_key_checked(&deskey[0],&data(ctx)->ks1)
- !! DES_set_key_checked(&deskey[1],&data(ctx)->ks2))
- return 0;
-#else
- DES_set_key_unchecked(&deskey[0],&data(ctx)->ks1);
- DES_set_key_unchecked(&deskey[1],&data(ctx)->ks2);
-#endif
- memcpy(&data(ctx)->ks3,&data(ctx)->ks1,
- sizeof(data(ctx)->ks1));
- return 1;
- }
+ const unsigned char *iv, int enc)
+{
+ DES_cblock *deskey = (DES_cblock *)key;
+# ifdef EVP_CHECK_DES_KEY
+ if (DES_set_key_checked(&deskey[0], &data(ctx)->ks1)
+ ! !DES_set_key_checked(&deskey[1], &data(ctx)->ks2))
+ return 0;
+# else
+ DES_set_key_unchecked(&deskey[0], &data(ctx)->ks1);
+ DES_set_key_unchecked(&deskey[1], &data(ctx)->ks2);
+# endif
+ memcpy(&data(ctx)->ks3, &data(ctx)->ks1, sizeof(data(ctx)->ks1));
+ return 1;
+}
static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- DES_cblock *deskey = (DES_cblock *)key;
-#ifdef KSSL_DEBUG
- {
+ const unsigned char *iv, int enc)
+{
+ DES_cblock *deskey = (DES_cblock *)key;
+# ifdef KSSL_DEBUG
+ {
int i;
- fprintf(stderr,"des_ede3_init_key(ctx=%p)\n", ctx);
- fprintf(stderr,"\tKEY= ");
- for(i=0;i<24;i++) fprintf(stderr,"%02X",key[i]); fprintf(stderr,"\n");
- if (iv)
- {
- fprintf(stderr,"\t IV= ");
- for(i=0;i<8;i++) fprintf(stderr,"%02X",iv[i]); fprintf(stderr,"\n");
- }
- }
-#endif /* KSSL_DEBUG */
+ fprintf(stderr, "des_ede3_init_key(ctx=%p)\n", ctx);
+ fprintf(stderr, "\tKEY= ");
+ for (i = 0; i < 24; i++)
+ fprintf(stderr, "%02X", key[i]);
+ fprintf(stderr, "\n");
+ if (iv) {
+ fprintf(stderr, "\t IV= ");
+ for (i = 0; i < 8; i++)
+ fprintf(stderr, "%02X", iv[i]);
+ fprintf(stderr, "\n");
+ }
+ }
+# endif /* KSSL_DEBUG */
-#ifdef EVP_CHECK_DES_KEY
- if (DES_set_key_checked(&deskey[0],&data(ctx)->ks1)
- || DES_set_key_checked(&deskey[1],&data(ctx)->ks2)
- || DES_set_key_checked(&deskey[2],&data(ctx)->ks3))
- return 0;
-#else
- DES_set_key_unchecked(&deskey[0],&data(ctx)->ks1);
- DES_set_key_unchecked(&deskey[1],&data(ctx)->ks2);
- DES_set_key_unchecked(&deskey[2],&data(ctx)->ks3);
-#endif
- return 1;
- }
+# ifdef EVP_CHECK_DES_KEY
+ if (DES_set_key_checked(&deskey[0], &data(ctx)->ks1)
+ || DES_set_key_checked(&deskey[1], &data(ctx)->ks2)
+ || DES_set_key_checked(&deskey[2], &data(ctx)->ks3))
+ return 0;
+# else
+ DES_set_key_unchecked(&deskey[0], &data(ctx)->ks1);
+ DES_set_key_unchecked(&deskey[1], &data(ctx)->ks2);
+ DES_set_key_unchecked(&deskey[2], &data(ctx)->ks3);
+# endif
+ return 1;
+}
static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
- {
+{
- DES_cblock *deskey = ptr;
+ DES_cblock *deskey = ptr;
- switch(type)
- {
- case EVP_CTRL_RAND_KEY:
- if (RAND_bytes(ptr, c->key_len) <= 0)
- return 0;
- DES_set_odd_parity(deskey);
- if (c->key_len >= 16)
- DES_set_odd_parity(deskey + 1);
- if (c->key_len >= 24)
- DES_set_odd_parity(deskey + 2);
- return 1;
+ switch (type) {
+ case EVP_CTRL_RAND_KEY:
+ if (RAND_bytes(ptr, c->key_len) <= 0)
+ return 0;
+ DES_set_odd_parity(deskey);
+ if (c->key_len >= 16)
+ DES_set_odd_parity(deskey + 1);
+ if (c->key_len >= 24)
+ DES_set_odd_parity(deskey + 2);
+ return 1;
- default:
- return -1;
- }
- }
+ default:
+ return -1;
+ }
+}
const EVP_CIPHER *EVP_des_ede(void)
{
- return &des_ede_ecb;
+ return &des_ede_ecb;
}
const EVP_CIPHER *EVP_des_ede3(void)
{
- return &des_ede3_ecb;
+ return &des_ede3_ecb;
}
-#endif
+# endif
#endif