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-rw-r--r--Build/source/libs/pplib/pplib-src/src/util/utilcrypt.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/Build/source/libs/pplib/pplib-src/src/util/utilcrypt.h b/Build/source/libs/pplib/pplib-src/src/util/utilcrypt.h
new file mode 100644
index 00000000000..e5bf53cc5ce
--- /dev/null
+++ b/Build/source/libs/pplib/pplib-src/src/util/utilcrypt.h
@@ -0,0 +1,90 @@
+#ifndef UTIL_CRYPT_H
+#define UTIL_CRYPT_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include "utiliof.h"
+
+#ifndef UTIL_CRYPT_TIME
+# define UTIL_CRYPT_TIME 0
+#endif
+
+/* RC4 */
+
+typedef uint8_t rc4_map[256];
+
+typedef struct rc4_state rc4_state;
+
+#define RC4_STATE_ALLOC (1<<0)
+
+UTILAPI rc4_state * rc4_state_initialize (rc4_state *state, rc4_map *map, const void *vkey, size_t keylength);
+#define rc4_state_init(state, vkey, keylength) rc4_state_initialize(state, NULL, vkey, keylength)
+UTILAPI void rc4_map_save (rc4_state *state, rc4_map *map);
+UTILAPI void rc4_map_restore (rc4_state *state, rc4_map *map);
+
+/* Codecs operating on iof */
+
+UTILAPI iof_status rc4_crypt_state (iof *I, iof *O, rc4_state *state);
+#define rc4_encode_state(I, O, state) rc4_crypt_state(I, O, state)
+#define rc4_decode_state(I, O, state) rc4_crypt_state(I, O, state)
+
+UTILAPI iof_status rc4_crypt (iof *I, iof *O, const void *key, size_t length);
+#define rc4_encode(I, O) rc4_crypt(I, O, key, length)
+#define rc4_decode(I, O) rc4_crypt(I, O, key, length)
+
+UTILAPI size_t rc4_crypt_data (const void *input, size_t length, void *output, const void *key, size_t keylength);
+UTILAPI size_t rc4_crypt_state_data (rc4_state *state, const void *input, size_t length, void *output);
+#define rc4_encode_data(input, length, output, key, keylength) rc4_crypt_data(input, length, output, key, keylength)
+#define rc4_decode_data(input, length, output, key, keylength) rc4_crypt_data(input, length, output, key, keylength)
+#define rc4_encode_state_data(state, input, length, output) rc4_crypt_state_data(state, input, length, output)
+#define rc4_decode_state_data(state, input, length, output) rc4_crypt_state_data(state, input, length, output)
+
+UTILAPI void rc4_state_close (rc4_state *state);
+
+/* AES */
+
+typedef uint8_t aes_block[4][4];
+typedef aes_block aes_keyblock[15]; // aes128 - 10+1, aes192 - 12+1, aes256 - 14+1
+
+typedef struct aes_state aes_state;
+
+#define AES_STATE_ALLOC (1<<0)
+//#define AES_ECB_MODE (1<<2)
+#define AES_HAS_IV (1<<3)
+#define AES_INLINE_IV (1<<4)
+#define AES_CONTINUE (1<<5)
+#define AES_NULL_PADDING (1<<6)
+
+UTILAPI void aes_pdf_mode (aes_state *state);
+//UTILAPI aes_state * aes_state_initialize_ecb (aes_state *State, uint8_t *roundkey, const uint8_t *key);
+UTILAPI aes_state * aes_encode_initialize (aes_state *state, aes_keyblock *keyblock, const void *key, size_t keylength, const void *iv);
+UTILAPI aes_state * aes_decode_initialize (aes_state *state, aes_keyblock *keyblock, const void *key, size_t keylength, const void *iv);
+#define aes_encode_init(state, key, keylength) aes_encode_initialize(state, NULL, key, keylength, NULL)
+#define aes_decode_init(state, key, keylength) aes_decode_initialize(state, NULL, key, keylength, NULL)
+
+UTILAPI void aes_state_close (aes_state *state);
+
+/* Codecs operating on iof */
+
+UTILAPI iof_status aes_encode_state (iof *I, iof *O, aes_state *state);
+UTILAPI iof_status aes_decode_state (iof *I, iof *O, aes_state *state);
+
+UTILAPI size_t aes_encode_data (const void *input, size_t length, void *output, const void *key, size_t keylength, const void *iv, int flags);
+UTILAPI size_t aes_encode_state_data (aes_state *state, const void *input, size_t length, void *output);
+UTILAPI size_t aes_decode_data (const void *input, size_t length, void *output, const void *key, size_t keylength, const void *iv, int flags);
+UTILAPI size_t aes_decode_state_data (aes_state *state, const void *input, size_t length, void *output);
+
+/* random bytes generator */
+
+UTILAPI void random_bytes (uint8_t *output, size_t size);
+UTILAPI void aes_generate_iv (uint8_t output[16]);
+
+/* filters */
+
+iof * iof_filter_rc4_decoder (iof *N, const void *key, size_t keylength);
+iof * iof_filter_rc4_encoder (iof *N, const void *key, size_t keylength);
+
+iof * iof_filter_aes_decoder (iof *N, const void *key, size_t keylength);
+iof * iof_filter_aes_encoder (iof *N, const void *key, size_t keylength);
+
+#endif \ No newline at end of file