diff options
Diffstat (limited to 'third_party/heimdal/lib/hcrypto/evp-hcrypto.c')
| -rw-r--r-- | third_party/heimdal/lib/hcrypto/evp-hcrypto.c | 854 |
1 files changed, 854 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/evp-hcrypto.c b/third_party/heimdal/lib/hcrypto/evp-hcrypto.c new file mode 100644 index 00000000000..321efb08c52 --- /dev/null +++ b/third_party/heimdal/lib/hcrypto/evp-hcrypto.c @@ -0,0 +1,854 @@ +/* + * Copyright (c) 2006 - 2008 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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. + */ + +#include <config.h> +#include <roken.h> + +#define HC_DEPRECATED + +#include <assert.h> + +#include <evp.h> +#include <evp-hcrypto.h> + +#include <krb5-types.h> + +#include <des.h> +#include "camellia.h" +#include <aes.h> + +#include <rc2.h> +#include <rc4.h> + +#include <sha.h> +#include <md2.h> +#include <md4.h> +#include <md5.h> + +/* + * + */ + +static int +aes_init(EVP_CIPHER_CTX *ctx, + const unsigned char * key, + const unsigned char * iv, + int encp) +{ + AES_KEY *k = ctx->cipher_data; + if (ctx->encrypt || EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB8_MODE) + AES_set_encrypt_key(key, ctx->cipher->key_len * 8, k); + else + AES_set_decrypt_key(key, ctx->cipher->key_len * 8, k); + return 1; +} + +static int +aes_do_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + unsigned int size) +{ + AES_KEY *k = ctx->cipher_data; + if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB8_MODE) + AES_cfb8_encrypt(in, out, size, k, ctx->iv, ctx->encrypt); + else + AES_cbc_encrypt(in, out, size, k, ctx->iv, ctx->encrypt); + return 1; +} + +/** + * The AES-128 cipher type (hcrypto) + * + * @return the AES-128 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_aes_128_cbc(void) +{ + static const EVP_CIPHER aes_128_cbc = { + 0, + 16, + 16, + 16, + EVP_CIPH_CBC_MODE, + aes_init, + aes_do_cipher, + NULL, + sizeof(AES_KEY), + NULL, + NULL, + NULL, + NULL + }; + + return &aes_128_cbc; +} + +/** + * The AES-192 cipher type (hcrypto) + * + * @return the AES-192 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_aes_192_cbc(void) +{ + static const EVP_CIPHER aes_192_cbc = { + 0, + 16, + 24, + 16, + EVP_CIPH_CBC_MODE, + aes_init, + aes_do_cipher, + NULL, + sizeof(AES_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &aes_192_cbc; +} + +/** + * The AES-256 cipher type (hcrypto) + * + * @return the AES-256 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_aes_256_cbc(void) +{ + static const EVP_CIPHER aes_256_cbc = { + 0, + 16, + 32, + 16, + EVP_CIPH_CBC_MODE, + aes_init, + aes_do_cipher, + NULL, + sizeof(AES_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &aes_256_cbc; +} + +/** + * The AES-128 CFB8 cipher type (hcrypto) + * + * @return the AES-128 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_aes_128_cfb8(void) +{ + static const EVP_CIPHER aes_128_cfb8 = { + 0, + 1, + 16, + 16, + EVP_CIPH_CFB8_MODE, + aes_init, + aes_do_cipher, + NULL, + sizeof(AES_KEY), + NULL, + NULL, + NULL, + NULL + }; + + return &aes_128_cfb8; +} + +/** + * The AES-192 CFB8 cipher type (hcrypto) + * + * @return the AES-192 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_aes_192_cfb8(void) +{ + static const EVP_CIPHER aes_192_cfb8 = { + 0, + 1, + 24, + 16, + EVP_CIPH_CFB8_MODE, + aes_init, + aes_do_cipher, + NULL, + sizeof(AES_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &aes_192_cfb8; +} + +/** + * The AES-256 CFB8 cipher type (hcrypto) + * + * @return the AES-256 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_aes_256_cfb8(void) +{ + static const EVP_CIPHER aes_256_cfb8 = { + 0, + 1, + 32, + 16, + EVP_CIPH_CFB8_MODE, + aes_init, + aes_do_cipher, + NULL, + sizeof(AES_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &aes_256_cfb8; +} + +/** + * The message digest SHA256 - hcrypto + * + * @return the message digest type. + * + * @ingroup hcrypto_evp + */ + +const EVP_MD * +EVP_hcrypto_sha256(void) +{ + static const struct hc_evp_md sha256 = { + 32, + 64, + sizeof(SHA256_CTX), + (hc_evp_md_init)SHA256_Init, + (hc_evp_md_update)SHA256_Update, + (hc_evp_md_final)SHA256_Final, + NULL + }; + return &sha256; +} + +/** + * The message digest SHA384 - hcrypto + * + * @return the message digest type. + * + * @ingroup hcrypto_evp + */ + +const EVP_MD * +EVP_hcrypto_sha384(void) +{ + static const struct hc_evp_md sha384 = { + 48, + 128, + sizeof(SHA384_CTX), + (hc_evp_md_init)SHA384_Init, + (hc_evp_md_update)SHA384_Update, + (hc_evp_md_final)SHA384_Final, + NULL + }; + return &sha384; +} + +/** + * The message digest SHA512 - hcrypto + * + * @return the message digest type. + * + * @ingroup hcrypto_evp + */ + +const EVP_MD * +EVP_hcrypto_sha512(void) +{ + static const struct hc_evp_md sha512 = { + 64, + 128, + sizeof(SHA512_CTX), + (hc_evp_md_init)SHA512_Init, + (hc_evp_md_update)SHA512_Update, + (hc_evp_md_final)SHA512_Final, + NULL + }; + return &sha512; +} + +/** + * The message digest SHA1 - hcrypto + * + * @return the message digest type. + * + * @ingroup hcrypto_evp + */ + +const EVP_MD * +EVP_hcrypto_sha1(void) +{ + static const struct hc_evp_md sha1 = { + 20, + 64, + sizeof(SHA_CTX), + (hc_evp_md_init)SHA1_Init, + (hc_evp_md_update)SHA1_Update, + (hc_evp_md_final)SHA1_Final, + NULL + }; + return &sha1; +} + +/** + * The message digest MD5 - hcrypto + * + * @return the message digest type. + * + * @ingroup hcrypto_evp + */ + +const EVP_MD * +EVP_hcrypto_md5(void) +{ + static const struct hc_evp_md md5 = { + 16, + 64, + sizeof(MD5_CTX), + (hc_evp_md_init)MD5_Init, + (hc_evp_md_update)MD5_Update, + (hc_evp_md_final)MD5_Final, + NULL + }; + return &md5; +} + +/** + * The message digest MD4 - hcrypto + * + * @return the message digest type. + * + * @ingroup hcrypto_evp + */ + +const EVP_MD * +EVP_hcrypto_md4(void) +{ + static const struct hc_evp_md md4 = { + 16, + 64, + sizeof(MD4_CTX), + (hc_evp_md_init)MD4_Init, + (hc_evp_md_update)MD4_Update, + (hc_evp_md_final)MD4_Final, + NULL + }; + return &md4; +} + +/** + * The message digest MD2 - hcrypto + * + * @return the message digest type. + * + * @ingroup hcrypto_evp + */ + +const EVP_MD * +EVP_hcrypto_md2(void) +{ + static const struct hc_evp_md md2 = { + 16, + 16, + sizeof(MD2_CTX), + (hc_evp_md_init)MD2_Init, + (hc_evp_md_update)MD2_Update, + (hc_evp_md_final)MD2_Final, + NULL + }; + return &md2; +} + +/* + * + */ + +static int +des_cbc_init(EVP_CIPHER_CTX *ctx, + const unsigned char * key, + const unsigned char * iv, + int encp) +{ + DES_key_schedule *k = ctx->cipher_data; + DES_cblock deskey; + memcpy(&deskey, key, sizeof(deskey)); + DES_set_key_unchecked(&deskey, k); + return 1; +} + +static int +des_cbc_do_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + unsigned int size) +{ + DES_key_schedule *k = ctx->cipher_data; + DES_cbc_encrypt(in, out, size, + k, (DES_cblock *)ctx->iv, ctx->encrypt); + return 1; +} + +/** + * The DES cipher type + * + * @return the DES-CBC EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_des_cbc(void) +{ + static const EVP_CIPHER des_cbc = { + 0, + 8, + 8, + 8, + EVP_CIPH_CBC_MODE, + des_cbc_init, + des_cbc_do_cipher, + NULL, + sizeof(DES_key_schedule), + NULL, + NULL, + NULL, + NULL + }; + return &des_cbc; +} + +/* + * + */ + +struct des_ede3_cbc { + DES_key_schedule ks[3]; +}; + +static int +des_ede3_cbc_init(EVP_CIPHER_CTX *ctx, + const unsigned char * key, + const unsigned char * iv, + int encp) +{ + struct des_ede3_cbc *k = ctx->cipher_data; + DES_cblock deskey; + + memcpy(&deskey, key, sizeof(deskey)); + DES_set_odd_parity(&deskey); + DES_set_key_unchecked(&deskey, &k->ks[0]); + + memcpy(&deskey, key + 8, sizeof(deskey)); + DES_set_odd_parity(&deskey); + DES_set_key_unchecked(&deskey, &k->ks[1]); + + memcpy(&deskey, key + 16, sizeof(deskey)); + DES_set_odd_parity(&deskey); + DES_set_key_unchecked(&deskey, &k->ks[2]); + + return 1; +} + +static int +des_ede3_cbc_do_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + unsigned int size) +{ + struct des_ede3_cbc *k = ctx->cipher_data; + DES_ede3_cbc_encrypt(in, out, size, + &k->ks[0], &k->ks[1], &k->ks[2], + (DES_cblock *)ctx->iv, ctx->encrypt); + return 1; +} + +/** + * The triple DES cipher type - hcrypto + * + * @return the DES-EDE3-CBC EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_des_ede3_cbc(void) +{ + static const EVP_CIPHER des_ede3_cbc = { + 0, + 8, + 24, + 8, + EVP_CIPH_CBC_MODE, + des_ede3_cbc_init, + des_ede3_cbc_do_cipher, + NULL, + sizeof(struct des_ede3_cbc), + NULL, + NULL, + NULL, + NULL + }; + return &des_ede3_cbc; +} + +/* + * + */ + +struct rc2_cbc { + unsigned int maximum_effective_key; + RC2_KEY key; +}; + +static int +rc2_init(EVP_CIPHER_CTX *ctx, + const unsigned char * key, + const unsigned char * iv, + int encp) +{ + struct rc2_cbc *k = ctx->cipher_data; + k->maximum_effective_key = EVP_CIPHER_CTX_key_length(ctx) * 8; + RC2_set_key(&k->key, + EVP_CIPHER_CTX_key_length(ctx), + key, + k->maximum_effective_key); + return 1; +} + +static int +rc2_do_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + unsigned int size) +{ + struct rc2_cbc *k = ctx->cipher_data; + RC2_cbc_encrypt(in, out, size, &k->key, ctx->iv, ctx->encrypt); + return 1; +} + +/** + * The RC2 cipher type - hcrypto + * + * @return the RC2 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_rc2_cbc(void) +{ + static const EVP_CIPHER rc2_cbc = { + 0, + RC2_BLOCK_SIZE, + RC2_KEY_LENGTH, + RC2_BLOCK_SIZE, + EVP_CIPH_CBC_MODE|EVP_CIPH_VARIABLE_LENGTH, + rc2_init, + rc2_do_cipher, + NULL, + sizeof(struct rc2_cbc), + NULL, + NULL, + NULL, + NULL + }; + return &rc2_cbc; +} + +/** + * The RC2-40 cipher type + * + * @return the RC2-40 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_rc2_40_cbc(void) +{ + static const EVP_CIPHER rc2_40_cbc = { + 0, + RC2_BLOCK_SIZE, + 5, + RC2_BLOCK_SIZE, + EVP_CIPH_CBC_MODE, + rc2_init, + rc2_do_cipher, + NULL, + sizeof(struct rc2_cbc), + NULL, + NULL, + NULL, + NULL + }; + return &rc2_40_cbc; +} + +/** + * The RC2-64 cipher type + * + * @return the RC2-64 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_rc2_64_cbc(void) +{ + static const EVP_CIPHER rc2_64_cbc = { + 0, + RC2_BLOCK_SIZE, + 8, + RC2_BLOCK_SIZE, + EVP_CIPH_CBC_MODE, + rc2_init, + rc2_do_cipher, + NULL, + sizeof(struct rc2_cbc), + NULL, + NULL, + NULL, + NULL + }; + return &rc2_64_cbc; +} + +static int +camellia_init(EVP_CIPHER_CTX *ctx, + const unsigned char * key, + const unsigned char * iv, + int encp) +{ + CAMELLIA_KEY *k = ctx->cipher_data; + k->bits = ctx->cipher->key_len * 8; + CAMELLIA_set_key(key, ctx->cipher->key_len * 8, k); + return 1; +} + +static int +camellia_do_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + unsigned int size) +{ + CAMELLIA_KEY *k = ctx->cipher_data; + CAMELLIA_cbc_encrypt(in, out, size, k, ctx->iv, ctx->encrypt); + return 1; +} + +/** + * The Camellia-128 cipher type - hcrypto + * + * @return the Camellia-128 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_camellia_128_cbc(void) +{ + static const EVP_CIPHER cipher = { + 0, + 16, + 16, + 16, + EVP_CIPH_CBC_MODE, + camellia_init, + camellia_do_cipher, + NULL, + sizeof(CAMELLIA_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &cipher; +} + +/** + * The Camellia-198 cipher type - hcrypto + * + * @return the Camellia-198 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_camellia_192_cbc(void) +{ + static const EVP_CIPHER cipher = { + 0, + 16, + 24, + 16, + EVP_CIPH_CBC_MODE, + camellia_init, + camellia_do_cipher, + NULL, + sizeof(CAMELLIA_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &cipher; +} + +/** + * The Camellia-256 cipher type - hcrypto + * + * @return the Camellia-256 EVP_CIPHER pointer. + * + * @ingroup hcrypto_evp + */ + +const EVP_CIPHER * +EVP_hcrypto_camellia_256_cbc(void) +{ + static const EVP_CIPHER cipher = { + 0, + 16, + 32, + 16, + EVP_CIPH_CBC_MODE, + camellia_init, + camellia_do_cipher, + NULL, + sizeof(CAMELLIA_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &cipher; +} + +static int +rc4_init(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, + int enc) +{ + RC4_KEY *k = ctx->cipher_data; + RC4_set_key(k, ctx->key_len, key); + return 1; +} + +static int +rc4_do_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + unsigned int size) +{ + RC4_KEY *k = ctx->cipher_data; + RC4(k, size, in, out); + return 1; +} + +const EVP_CIPHER * +EVP_hcrypto_rc4(void) +{ + static const EVP_CIPHER rc4 = { + 0, + 1, + 16, + 0, + EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH, + rc4_init, + rc4_do_cipher, + NULL, + sizeof(RC4_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &rc4; +} + + +const EVP_CIPHER * +EVP_hcrypto_rc4_40(void) +{ + static const EVP_CIPHER rc4_40 = { + 0, + 1, + 5, + 0, + EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH, + rc4_init, + rc4_do_cipher, + NULL, + sizeof(RC4_KEY), + NULL, + NULL, + NULL, + NULL + }; + return &rc4_40; +} |