diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/evp/e_xcbc_d.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/evp/e_xcbc_d.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/Cryptlib/OpenSSL/crypto/evp/e_xcbc_d.c b/Cryptlib/OpenSSL/crypto/evp/e_xcbc_d.c index 105967f9..3430df9e 100644 --- a/Cryptlib/OpenSSL/crypto/evp/e_xcbc_d.c +++ b/Cryptlib/OpenSSL/crypto/evp/e_xcbc_d.c @@ -63,12 +63,13 @@ # include <openssl/evp.h> # include <openssl/objects.h> +# include "evp_locl.h" # include <openssl/des.h> 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, - const unsigned char *in, unsigned int inl); + const unsigned char *in, size_t inl); typedef struct { DES_key_schedule ks; /* key schedule */ @@ -110,11 +111,20 @@ static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, } static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, unsigned int inl) + const unsigned char *in, size_t inl) { - DES_xcbc_encrypt(in, out, inl, &data(ctx)->ks, - (DES_cblock *)&(ctx->iv[0]), - &data(ctx)->inw, &data(ctx)->outw, ctx->encrypt); + while (inl >= EVP_MAXCHUNK) { + DES_xcbc_encrypt(in, out, (long)EVP_MAXCHUNK, &data(ctx)->ks, + (DES_cblock *)&(ctx->iv[0]), + &data(ctx)->inw, &data(ctx)->outw, ctx->encrypt); + inl -= EVP_MAXCHUNK; + in += EVP_MAXCHUNK; + out += EVP_MAXCHUNK; + } + if (inl) + DES_xcbc_encrypt(in, out, (long)inl, &data(ctx)->ks, + (DES_cblock *)&(ctx->iv[0]), + &data(ctx)->inw, &data(ctx)->outw, ctx->encrypt); return 1; } #endif |