diff options
Diffstat (limited to 'openssl/crypto/evp/e_rc5.c')
| -rw-r--r-- | openssl/crypto/evp/e_rc5.c | 102 |
1 files changed, 49 insertions, 53 deletions
diff --git a/openssl/crypto/evp/e_rc5.c b/openssl/crypto/evp/e_rc5.c index 19a10c640..f17e99d0c 100644 --- a/openssl/crypto/evp/e_rc5.c +++ b/openssl/crypto/evp/e_rc5.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 @@ -61,66 +61,62 @@ #ifndef OPENSSL_NO_RC5 -#include <openssl/evp.h> -#include <openssl/objects.h> -#include "evp_locl.h" -#include <openssl/rc5.h> +# include <openssl/evp.h> +# include <openssl/objects.h> +# include "evp_locl.h" +# include <openssl/rc5.h> static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv,int enc); + const unsigned char *iv, int enc); static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); -typedef struct - { - int rounds; /* number of rounds */ - RC5_32_KEY ks; /* key schedule */ - } EVP_RC5_KEY; +typedef struct { + int rounds; /* number of rounds */ + RC5_32_KEY ks; /* key schedule */ +} EVP_RC5_KEY; -#define data(ctx) EVP_C_DATA(EVP_RC5_KEY,ctx) +# define data(ctx) EVP_C_DATA(EVP_RC5_KEY,ctx) IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, ks, RC5_32, EVP_RC5_KEY, NID_rc5, - 8, RC5_32_KEY_LENGTH, 8, 64, - EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, - r_32_12_16_init_key, NULL, - NULL, NULL, rc5_ctrl) + 8, RC5_32_KEY_LENGTH, 8, 64, + EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, + r_32_12_16_init_key, NULL, NULL, NULL, rc5_ctrl) static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) - { - switch(type) - { - case EVP_CTRL_INIT: - data(c)->rounds = RC5_12_ROUNDS; - return 1; +{ + switch (type) { + case EVP_CTRL_INIT: + data(c)->rounds = RC5_12_ROUNDS; + return 1; + + case EVP_CTRL_GET_RC5_ROUNDS: + *(int *)ptr = data(c)->rounds; + return 1; - case EVP_CTRL_GET_RC5_ROUNDS: - *(int *)ptr = data(c)->rounds; - return 1; - - case EVP_CTRL_SET_RC5_ROUNDS: - switch(arg) - { - case RC5_8_ROUNDS: - case RC5_12_ROUNDS: - case RC5_16_ROUNDS: - data(c)->rounds = arg; - return 1; + case EVP_CTRL_SET_RC5_ROUNDS: + switch (arg) { + case RC5_8_ROUNDS: + case RC5_12_ROUNDS: + case RC5_16_ROUNDS: + data(c)->rounds = arg; + return 1; - default: - EVPerr(EVP_F_RC5_CTRL, EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS); - return 0; - } + default: + EVPerr(EVP_F_RC5_CTRL, EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS); + return 0; + } - default: - return -1; - } - } + default: + return -1; + } +} 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(&data(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx), - key,data(ctx)->rounds); - return 1; - } + const unsigned char *iv, int enc) +{ + RC5_32_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), + key, data(ctx)->rounds); + return 1; +} #endif |