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EVP constification.

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This commit is contained in:
Ben Laurie
2000-06-03 14:13:58 +00:00
parent 26a3a48d65
commit 1921eaad64
35 changed files with 201 additions and 119 deletions
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8
crypto/evp/e_bf.c
View File

@@ -63,15 +63,15 @@
#include "evp_locl.h"
#include <openssl/objects.h>
static int bf_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
IMPLEMENT_BLOCK_CIPHER(bf, bf_ks, BF, bf_ks, NID_bf, 8, 16, 8,
0, bf_init_key, NULL,
EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
static int bf_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
BF_set_key(&(ctx->c.bf_ks),EVP_CIPHER_CTX_key_length(ctx),key);
return 1;

8
crypto/evp/e_cast.c
View File

@@ -64,16 +64,16 @@
#include <openssl/objects.h>
#include "evp_locl.h"
static int cast_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
IMPLEMENT_BLOCK_CIPHER(cast5, cast_ks, CAST, cast_ks,
NID_cast5, 8, EVP_CAST5_KEY_SIZE, 8,
EVP_CIPH_VARIABLE_LENGTH, cast_init_key, NULL,
EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
static int cast_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
CAST_set_key(&(ctx->c.cast_ks),EVP_CIPHER_CTX_key_length(ctx),key);
return 1;

26
crypto/evp/e_des.c
View File

@@ -63,33 +63,39 @@
#include <openssl/objects.h>
#include "evp_locl.h"
static int des_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
/* Because of various casts and different names can't use IMPLEMENT_BLOCK_CIPHER */
static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
BLOCK_CIPHER_ecb_loop()
des_ecb_encrypt((des_cblock *)(in + i), (des_cblock *)(out + i), ctx->c.des_ks, ctx->encrypt);
return 1;
}
static int des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
des_ofb64_encrypt(in, out, (long)inl, ctx->c.des_ks, (des_cblock *)ctx->iv, &ctx->num);
return 1;
}
static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
des_ncbc_encrypt(in, out, (long)inl, ctx->c.des_ks, (des_cblock *)ctx->iv, ctx->encrypt);
des_ncbc_encrypt(in, out, (long)inl, ctx->c.des_ks,
(des_cblock *)ctx->iv, ctx->encrypt);
return 1;
}
static int des_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int des_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
des_cfb64_encrypt(in, out, (long)inl, ctx->c.des_ks, (des_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
des_cfb64_encrypt(in, out, (long)inl, ctx->c.des_ks,
(des_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
return 1;
}
@@ -100,8 +106,8 @@ BLOCK_CIPHER_defs(des, des_ks, NID_des, 8, 8, 8,
NULL)
static int des_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
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;

28
crypto/evp/e_des3.c
View File

@@ -63,15 +63,16 @@
#include <openssl/objects.h>
#include "evp_locl.h"
static int des_ede_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
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);
/* 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, unsigned char *in, unsigned int inl)
static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
BLOCK_CIPHER_ecb_loop()
des_ecb3_encrypt((des_cblock *)(in + i), (des_cblock *)(out + i),
@@ -80,7 +81,8 @@ static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned
return 1;
}
static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
des_ede3_ofb64_encrypt(in, out, (long)inl,
ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
@@ -88,7 +90,8 @@ static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned
return 1;
}
static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
des_ede3_cbc_encrypt(in, out, (long)inl,
ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
@@ -96,7 +99,8 @@ static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned
return 1;
}
static int des_ede_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int des_ede_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
des_ede3_cfb64_encrypt(in, out, (long)inl,
ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
@@ -124,8 +128,8 @@ BLOCK_CIPHER_defs(des_ede3, des_ede, NID_des_ede3, 8, 24, 8,
EVP_CIPHER_get_asn1_iv,
NULL)
static int des_ede_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
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;
@@ -137,8 +141,8 @@ static int des_ede_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
return 1;
}
static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
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)
{
des_cblock *deskey = (des_cblock *)key;

11
crypto/evp/e_idea.c
View File

@@ -64,14 +64,15 @@
#include <openssl/objects.h>
#include "evp_locl.h"
static int idea_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
/* NB idea_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a special
* case
*/
static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl)
static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
BLOCK_CIPHER_ecb_loop()
idea_ecb_encrypt(in + i, out + i, &ctx->c.idea_ks);
@@ -88,8 +89,8 @@ BLOCK_CIPHER_defs(idea, idea_ks, NID_idea, 8, 16, 8,
0, idea_init_key, NULL,
EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
static int idea_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
if(!enc) {
if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) enc = 1;

12
crypto/evp/e_null.c
View File

@@ -61,10 +61,10 @@
#include <openssl/evp.h>
#include <openssl/objects.h>
static int null_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int null_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
unsigned char *in, unsigned int inl);
const unsigned char *in, unsigned int inl);
static EVP_CIPHER n_cipher=
{
NID_undef,
@@ -84,15 +84,15 @@ EVP_CIPHER *EVP_enc_null(void)
return(&n_cipher);
}
static int null_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int null_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
memset(&(ctx->c),0,sizeof(ctx->c));
return 1;
}
static int null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
unsigned char *in, unsigned int inl)
const unsigned char *in, unsigned int inl)
{
if (in != out)
memcpy((char *)out,(char *)in,(int)inl);

8
crypto/evp/e_rc2.c
View File

@@ -64,8 +64,8 @@
#include <openssl/objects.h>
#include "evp_locl.h"
static int rc2_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int rc2_meth_to_magic(EVP_CIPHER_CTX *ctx);
static int rc2_magic_to_meth(int i);
static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
@@ -126,8 +126,8 @@ EVP_CIPHER *EVP_rc2_40_cbc(void)
return(&r2_40_cbc_cipher);
}
static int rc2_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
RC2_set_key(&(ctx->c.rc2.ks),EVP_CIPHER_CTX_key_length(ctx),
key,ctx->c.rc2.key_bits);

12
crypto/evp/e_rc4.c
View File

@@ -63,10 +63,10 @@
#include <openssl/evp.h>
#include <openssl/objects.h>
static int rc4_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
unsigned char *in, unsigned int inl);
const unsigned char *in, unsigned int inl);
static EVP_CIPHER r4_cipher=
{
NID_rc4,
@@ -107,8 +107,8 @@ EVP_CIPHER *EVP_rc4_40(void)
return(&r4_40_cipher);
}
static int rc4_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
memcpy(&(ctx->c.rc4.key[0]),key,EVP_CIPHER_CTX_key_length(ctx));
RC4_set_key(&(ctx->c.rc4.ks),EVP_CIPHER_CTX_key_length(ctx),
@@ -117,7 +117,7 @@ static int rc4_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
}
static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
unsigned char *in, unsigned int inl)
const unsigned char *in, unsigned int inl)
{
RC4(&(ctx->c.rc4.ks),inl,in,out);
return 1;

8
crypto/evp/e_rc5.c
View File

@@ -64,8 +64,8 @@
#include <openssl/objects.h>
#include "evp_locl.h"
static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, rc5.ks, RC5_32, rc5, NID_rc5,
@@ -107,8 +107,8 @@ static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
}
}
static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
RC5_32_set_key(&(ctx->c.rc5.ks),EVP_CIPHER_CTX_key_length(ctx),
key,ctx->c.rc5.rounds);

12
crypto/evp/e_xcbc_d.c
View File

@@ -62,10 +62,10 @@
#include <openssl/evp.h>
#include <openssl/objects.h>
static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv,int enc);
static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
unsigned char *in, unsigned int inl);
const unsigned char *in, unsigned int inl);
static EVP_CIPHER d_xcbc_cipher=
{
NID_desx_cbc,
@@ -86,8 +86,8 @@ EVP_CIPHER *EVP_desx_cbc(void)
return(&d_xcbc_cipher);
}
static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
unsigned char *iv, int enc)
static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
des_cblock *deskey = (des_cblock *)key;
@@ -99,7 +99,7 @@ static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
}
static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
unsigned char *in, unsigned int inl)
const unsigned char *in, unsigned int inl)
{
des_xcbc_encrypt(in,out,inl,ctx->c.desx_cbc.ks,
(des_cblock *)&(ctx->iv[0]),

6
crypto/evp/evp.h
View File

@@ -328,8 +328,10 @@ struct evp_cipher_st
int key_len; /* Default value for variable length ciphers */
int iv_len;
unsigned long flags; /* Various flags */
int (*init)(EVP_CIPHER_CTX *, unsigned char *, unsigned char *, int); /* init key */
int (*do_cipher)(EVP_CIPHER_CTX *, unsigned char *, unsigned char *, unsigned int);/* encrypt/decrypt data */
int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc); /* init key */
int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl);/* encrypt/decrypt data */
int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
int ctx_size; /* how big the ctx needs to be */
int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */

8
crypto/evp/evp_locl.h
View File

@@ -67,7 +67,7 @@
for(i=0; i <= inl; i+=8) \
#define BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl) \
static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
BLOCK_CIPHER_ecb_loop() \
cprefix##_ecb_encrypt(in + i, out + i, &ctx->c.##kname, ctx->encrypt);\
@@ -75,21 +75,21 @@ static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned
}
#define BLOCK_CIPHER_func_ofb(cname, cprefix, kname) \
static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl) \
static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
cprefix##_ofb64_encrypt(in, out, (long)inl, &ctx->c.##kname, ctx->iv, &ctx->num);\
return 1;\
}
#define BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl) \
static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
cprefix##_cbc_encrypt(in, out, (long)inl, &ctx->c.##kname, ctx->iv, ctx->encrypt);\
return 1;\
}
#define BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
static int cname##_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, unsigned char *in, unsigned int inl) \
static int cname##_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
cprefix##_cfb64_encrypt(in, out, (long)inl, &ctx->c.##kname, ctx->iv, &ctx->num, ctx->encrypt);\
return 1;\