diff options
Diffstat (limited to 'openssl/crypto/evp/p_seal.c')
| -rw-r--r-- | openssl/crypto/evp/p_seal.c | 90 |
1 files changed, 47 insertions, 43 deletions
diff --git a/openssl/crypto/evp/p_seal.c b/openssl/crypto/evp/p_seal.c index e5919b0fb..caabbf406 100644 --- a/openssl/crypto/evp/p_seal.c +++ b/openssl/crypto/evp/p_seal.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 @@ -60,57 +60,61 @@ #include "cryptlib.h" #include <openssl/rand.h> #ifndef OPENSSL_NO_RSA -#include <openssl/rsa.h> +# include <openssl/rsa.h> #endif #include <openssl/evp.h> #include <openssl/objects.h> #include <openssl/x509.h> -int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek, - int *ekl, unsigned char *iv, EVP_PKEY **pubk, int npubk) - { - unsigned char key[EVP_MAX_KEY_LENGTH]; - int i; - - if(type) { - EVP_CIPHER_CTX_init(ctx); - if(!EVP_EncryptInit_ex(ctx,type,NULL,NULL,NULL)) return 0; - } - if ((npubk <= 0) || !pubk) - return 1; - if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0) - return 0; - if (EVP_CIPHER_CTX_iv_length(ctx)) - RAND_pseudo_bytes(iv,EVP_CIPHER_CTX_iv_length(ctx)); +int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, + unsigned char **ek, int *ekl, unsigned char *iv, + EVP_PKEY **pubk, int npubk) +{ + unsigned char key[EVP_MAX_KEY_LENGTH]; + int i; + + if (type) { + EVP_CIPHER_CTX_init(ctx); + if (!EVP_EncryptInit_ex(ctx, type, NULL, NULL, NULL)) + return 0; + } + if ((npubk <= 0) || !pubk) + return 1; + if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0) + return 0; + if (EVP_CIPHER_CTX_iv_length(ctx)) + RAND_pseudo_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx)); - if(!EVP_EncryptInit_ex(ctx,NULL,NULL,key,iv)) return 0; + if (!EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv)) + return 0; - for (i=0; i<npubk; i++) - { - ekl[i]=EVP_PKEY_encrypt_old(ek[i],key,EVP_CIPHER_CTX_key_length(ctx), - pubk[i]); - if (ekl[i] <= 0) return(-1); - } - return(npubk); - } + for (i = 0; i < npubk; i++) { + ekl[i] = + EVP_PKEY_encrypt_old(ek[i], key, EVP_CIPHER_CTX_key_length(ctx), + pubk[i]); + if (ekl[i] <= 0) + return (-1); + } + return (npubk); +} -/* MACRO +/*- MACRO void EVP_SealUpdate(ctx,out,outl,in,inl) EVP_CIPHER_CTX *ctx; unsigned char *out; int *outl; unsigned char *in; int inl; - { - EVP_EncryptUpdate(ctx,out,outl,in,inl); - } + { + EVP_EncryptUpdate(ctx,out,outl,in,inl); + } */ int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) - { - int i; - i = EVP_EncryptFinal_ex(ctx,out,outl); - if (i) - i = EVP_EncryptInit_ex(ctx,NULL,NULL,NULL,NULL); - return i; - } +{ + int i; + i = EVP_EncryptFinal_ex(ctx, out, outl); + if (i) + i = EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, NULL); + return i; +} |