* [including the GNU Public Licence.]
*/
-#ifndef NO_DES
+#define OPENSSL_FIPSAPI
+
#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>
+
+typedef struct
+ {
+ union { double align; DES_key_schedule ks[3]; } ks;
+ union {
+ void (*cbc)(const void *,void *,size_t,const void *,void *);
+ } stream;
+ } DES_EDE_KEY;
+#define ks1 ks.ks[0]
+#define ks2 ks.ks[1]
+#define ks3 ks.ks[2]
+
+#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_ede3_cbc_encrypt(const void *inp,void *out,size_t len,
+ DES_key_schedule *ks,unsigned char iv[8]);
+void des_t4_ede3_cbc_decrypt(const void *inp,void *out,size_t len,
+ DES_key_schedule *ks,unsigned char iv[8]);
+#endif
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, const unsigned char *key,
const unsigned char *iv,int enc);
+static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
+
+#define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data)
+
/* 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, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
BLOCK_CIPHER_ecb_loop()
- des_ecb3_encrypt((des_cblock *)(in + i), (des_cblock *)(out + i),
- ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
- ctx->encrypt);
+ 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, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- des_ede3_ofb64_encrypt(in, out, (long)inl,
- ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.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;
}
static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
+ DES_EDE_KEY *dat = data(ctx);
+
#ifdef KSSL_DEBUG
{
int i;
printf("\n");
}
#endif /* KSSL_DEBUG */
- des_ede3_cbc_encrypt(in, out, (long)inl,
- ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
- (des_cblock *)ctx->iv, ctx->encrypt);
+ if (dat->stream.cbc)
+ {
+ (*dat->stream.cbc)(in,out,inl,&dat->ks,ctx->iv);
+ return 1;
+ }
+
+ while (inl>=EVP_MAXCHUNK)
+ {
+ DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
+ &dat->ks1, &dat->ks2, &dat->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,
+ &dat->ks1, &dat->ks2, &dat->ks3,
+ (DES_cblock *)ctx->iv, ctx->encrypt);
return 1;
}
-static int des_ede_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+static int des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
{
- des_ede3_cfb64_encrypt(in, out, (long)inl,
- ctx->c.des_ede.ks1, ctx->c.des_ede.ks2, ctx->c.des_ede.ks3,
- (des_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
+ 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;
}
-#define NID_des_ede_ecb NID_des_ede
+/* 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)
+ {
+ size_t n;
+ unsigned char c[1],d[1];
-BLOCK_CIPHER_defs(des_ede, des_ede, NID_des_ede, 8, 16, 8,
- 0, des_ede_init_key, NULL,
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL)
+ 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;
+ }
-#define NID_des_ede3_ecb NID_des_ede3
-#define des_ede3_cfb_cipher des_ede_cfb_cipher
+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;
+ }
+ 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);
+ return 1;
+ }
+
+BLOCK_CIPHER_defs(des_ede, DES_EDE_KEY, NID_des_ede, 8, 16, 8, 64,
+ EVP_CIPH_RAND_KEY|EVP_CIPH_FLAG_DEFAULT_ASN1,
+ des_ede_init_key, NULL, NULL, NULL,
+ 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, NID_des_ede3, 8, 24, 8,
- 0, des_ede3_init_key, NULL,
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL)
+BLOCK_CIPHER_defs(des_ede3, DES_EDE_KEY, NID_des_ede3, 8, 24, 8, 64,
+ EVP_CIPH_RAND_KEY|EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_DEFAULT_ASN1,
+ des_ede3_init_key, NULL, NULL, NULL,
+ des3_ctrl)
+
+BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,1,
+ EVP_CIPH_RAND_KEY|EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_DEFAULT_ASN1,
+ des_ede3_init_key, NULL, NULL, NULL,
+ des3_ctrl)
+
+BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,8,
+ EVP_CIPH_RAND_KEY|EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_DEFAULT_ASN1,
+ des_ede3_init_key, NULL, NULL, NULL,
+ 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;
+ DES_cblock *deskey = (DES_cblock *)key;
+ DES_EDE_KEY *dat = data(ctx);
+
+ dat->stream.cbc = NULL;
+#if defined(SPARC_DES_CAPABLE)
+ if (SPARC_DES_CAPABLE)
+ {
+ int mode = ctx->cipher->flags & EVP_CIPH_MODE;
- des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
- des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
- memcpy( (char *)ctx->c.des_ede.ks3,
- (char *)ctx->c.des_ede.ks1,
- sizeof(ctx->c.des_ede.ks1));
+ if (mode == EVP_CIPH_CBC_MODE)
+ {
+ des_t4_key_expand(&deskey[0],&dat->ks1);
+ des_t4_key_expand(&deskey[1],&dat->ks2);
+ memcpy(&dat->ks3,&dat->ks1,sizeof(dat->ks1));
+ dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
+ des_t4_ede3_cbc_decrypt;
+ return 1;
+ }
+ }
+#endif
+#ifdef EVP_CHECK_DES_KEY
+ if (DES_set_key_checked(&deskey[0],&dat->ks1)
+ !! DES_set_key_checked(&deskey[1],&dat->ks2))
+ return 0;
+#else
+ DES_set_key_unchecked(&deskey[0],&dat->ks1);
+ DES_set_key_unchecked(&deskey[1],&dat->ks2);
+#endif
+ memcpy(&dat->ks3,&dat->ks1,
+ sizeof(dat->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;
+ DES_cblock *deskey = (DES_cblock *)key;
+ DES_EDE_KEY *dat = data(ctx);
+
#ifdef KSSL_DEBUG
{
int i;
}
#endif /* KSSL_DEBUG */
- des_set_key_unchecked(&deskey[0],ctx->c.des_ede.ks1);
- des_set_key_unchecked(&deskey[1],ctx->c.des_ede.ks2);
- des_set_key_unchecked(&deskey[2],ctx->c.des_ede.ks3);
+ 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(&deskey[0],&dat->ks1);
+ des_t4_key_expand(&deskey[1],&dat->ks2);
+ des_t4_key_expand(&deskey[2],&dat->ks3);
+ dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt :
+ des_t4_ede3_cbc_decrypt;
+ return 1;
+ }
+ }
+#endif
+#ifdef EVP_CHECK_DES_KEY
+ if (DES_set_key_checked(&deskey[0],&dat->ks1)
+ || DES_set_key_checked(&deskey[1],&dat->ks2)
+ || DES_set_key_checked(&deskey[2],&dat->ks3))
+ return 0;
+#else
+ DES_set_key_unchecked(&deskey[0],&dat->ks1);
+ DES_set_key_unchecked(&deskey[1],&dat->ks2);
+ DES_set_key_unchecked(&deskey[2],&dat->ks3);
+#endif
return 1;
}
-EVP_CIPHER *EVP_des_ede(void)
+static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *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;
+
+ default:
+ return -1;
+ }
+ }
+
+const EVP_CIPHER *EVP_des_ede(void)
{
return &des_ede_ecb;
}
-EVP_CIPHER *EVP_des_ede3(void)
+const EVP_CIPHER *EVP_des_ede3(void)
{
return &des_ede3_ecb;
}
+
+#ifndef OPENSSL_NO_SHA
+
+#include <openssl/sha.h>
+
+static const unsigned char wrap_iv[8] = {0x4a,0xdd,0xa2,0x2c,0x79,0xe8,0x21,0x05};
+
+static int des_ede3_unwrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+ {
+ unsigned char icv[8], iv[8], sha1tmp[SHA_DIGEST_LENGTH];
+ int rv = -1;
+ if (inl < 24)
+ return -1;
+ if (!out)
+ return inl - 16;
+ memcpy(ctx->iv, wrap_iv, 8);
+ /* Decrypt first block which will end up as icv */
+ des_ede_cbc_cipher(ctx, icv, in, 8);
+ /* Decrypt central blocks */
+ /* If decrypting in place move whole output along a block
+ * so the next des_ede_cbc_cipher is in place.
+ */
+ if (out == in)
+ {
+ memmove(out, out + 8, inl - 8);
+ in -= 8;
+ }
+ des_ede_cbc_cipher(ctx, out, in + 8, inl - 16);
+ /* Decrypt final block which will be IV */
+ des_ede_cbc_cipher(ctx, iv, in + inl - 8, 8);
+ /* Reverse order of everything */
+ BUF_reverse(icv, NULL, 8);
+ BUF_reverse(out, NULL, inl - 16);
+ BUF_reverse(ctx->iv, iv, 8);
+ /* Decrypt again using new IV */
+ des_ede_cbc_cipher(ctx, out, out, inl - 16);
+ des_ede_cbc_cipher(ctx, icv, icv, 8);
+ /* Work out SHA1 hash of first portion */
+ SHA1(out, inl - 16, sha1tmp);
+
+ if (!CRYPTO_memcmp(sha1tmp, icv, 8))
+ rv = inl - 16;
+ OPENSSL_cleanse(icv, 8);
+ OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
+ OPENSSL_cleanse(iv, 8);
+ OPENSSL_cleanse(ctx->iv, 8);
+ if (rv == -1)
+ OPENSSL_cleanse(out, inl - 16);
+
+ return rv;
+ }
+
+static int des_ede3_wrap(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+ {
+ unsigned char sha1tmp[SHA_DIGEST_LENGTH];
+ if (!out)
+ return inl + 16;
+ /* Copy input to output buffer + 8 so we have space for IV */
+ memmove(out + 8, in, inl);
+ /* Work out ICV */
+ SHA1(in, inl, sha1tmp);
+ memcpy(out + inl + 8, sha1tmp, 8);
+ OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH);
+ /* Generate random IV */
+ RAND_bytes(ctx->iv, 8);
+ memcpy(out, ctx->iv, 8);
+ /* Encrypt everything after IV in place */
+ des_ede_cbc_cipher(ctx, out + 8, out + 8, inl + 8);
+ BUF_reverse(out, NULL, inl + 16);
+ memcpy(ctx->iv, wrap_iv, 8);
+ des_ede_cbc_cipher(ctx, out, out, inl + 16);
+ return inl + 16;
+ }
+
+static int des_ede3_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+ {
+ /* Sanity check input length: we typically only wrap keys
+ * so EVP_MAXCHUNK is more than will ever be needed. Also
+ * input length must be a multiple of 8 bits.
+ */
+ if (inl >= EVP_MAXCHUNK || inl % 8)
+ return -1;
+ if (ctx->encrypt)
+ return des_ede3_wrap(ctx, out, in, inl);
+ else
+ return des_ede3_unwrap(ctx, out, in, inl);
+ }
+
+static const EVP_CIPHER des3_wrap = {
+ NID_id_smime_alg_CMS3DESwrap,
+ 8, 24, 0,
+ EVP_CIPH_WRAP_MODE|EVP_CIPH_CUSTOM_IV|EVP_CIPH_FLAG_CUSTOM_CIPHER
+ |EVP_CIPH_FLAG_DEFAULT_ASN1,
+ des_ede3_init_key, des_ede3_wrap_cipher,
+ NULL,
+ sizeof(DES_EDE_KEY),
+ NULL,NULL,NULL,NULL };
+
+
+const EVP_CIPHER *EVP_des_ede3_wrap(void)
+ {
+ return &des3_wrap;
+ }
+
+# endif
#endif
projects / openssl.git / blobdiff