| Index: openssl/crypto/evp/e_des.c
|
| ===================================================================
|
| --- openssl/crypto/evp/e_des.c (revision 105093)
|
| +++ openssl/crypto/evp/e_des.c (working copy)
|
| @@ -72,7 +72,7 @@
|
| /* 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,
|
| - 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), ctx->cipher_data, ctx->encrypt);
|
| @@ -80,24 +80,52 @@
|
| }
|
|
|
| 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);
|
| + 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,
|
| + 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;
|
| }
|
| @@ -105,45 +133,62 @@
|
| /* Although we have a CFB-r implementation for DES, it doesn't pack the right
|
| 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)
|
| + if (inl<chunk) chunk=inl;
|
| +
|
| + while (inl && inl>=chunk)
|
| {
|
| - 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,
|
| + 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 >> (n%8)))|((d[0]&0x80) >> (n%8));
|
| + 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,
|
| + 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_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,
|
| + EVP_CIPH_RAND_KEY,des_init_key,NULL,
|
| EVP_CIPHER_set_asn1_iv,
|
| EVP_CIPHER_get_asn1_iv,des_ctrl)
|
|
|
|
|