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authorMarc Schütz <schuetzm@gmx.net>2014-06-10 18:38:43 +0200
committerMarc Schütz <schuetzm@gmx.net>2014-06-10 18:38:43 +0200
commit55d986270b3af91019dabfb2169817cd894d84fe (patch)
tree0757f88a78e51dba49aab641dc74ba0892253d96 /toxcore/crypto_core.h
parent9e028b243a8eff03518e048b25a169166441df34 (diff)
Const correctness in toxcore/crypto_core.c
Diffstat (limited to 'toxcore/crypto_core.h')
-rw-r--r--toxcore/crypto_core.h24
1 files changed, 12 insertions, 12 deletions
diff --git a/toxcore/crypto_core.h b/toxcore/crypto_core.h
index 6b69f917..578bd54a 100644
--- a/toxcore/crypto_core.h
+++ b/toxcore/crypto_core.h
@@ -43,7 +43,7 @@
43/* Use this instead of memcmp; not vulnerable to timing attacks. 43/* Use this instead of memcmp; not vulnerable to timing attacks.
44 returns 0 if both mem locations of length are equal, 44 returns 0 if both mem locations of length are equal,
45 return -1 if they are not. */ 45 return -1 if they are not. */
46int crypto_cmp(uint8_t *mem1, uint8_t *mem2, uint32_t length); 46int crypto_cmp(const uint8_t *mem1, const uint8_t *mem2, uint32_t length);
47 47
48/* return a random number. 48/* return a random number.
49 * 49 *
@@ -60,8 +60,8 @@ uint64_t random_64b(void);
60 * return -1 if there was a problem. 60 * return -1 if there was a problem.
61 * return length of encrypted data if everything was fine. 61 * return length of encrypted data if everything was fine.
62 */ 62 */
63int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce, 63int encrypt_data(const uint8_t *public_key, const uint8_t *secret_key, const uint8_t *nonce,
64 uint8_t *plain, uint32_t length, uint8_t *encrypted); 64 const uint8_t *plain, uint32_t length, uint8_t *encrypted);
65 65
66 66
67/* Decrypts encrypted of length length to plain of length length - 16 using the 67/* Decrypts encrypted of length length to plain of length length - 16 using the
@@ -70,13 +70,13 @@ int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
70 * return -1 if there was a problem (decryption failed). 70 * return -1 if there was a problem (decryption failed).
71 * return length of plain data if everything was fine. 71 * return length of plain data if everything was fine.
72 */ 72 */
73int decrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce, 73int decrypt_data(const uint8_t *public_key, const uint8_t *secret_key, const uint8_t *nonce,
74 uint8_t *encrypted, uint32_t length, uint8_t *plain); 74 const uint8_t *encrypted, uint32_t length, uint8_t *plain);
75 75
76/* Fast encrypt/decrypt operations. Use if this is not a one-time communication. 76/* Fast encrypt/decrypt operations. Use if this is not a one-time communication.
77 encrypt_precompute does the shared-key generation once so it does not have 77 encrypt_precompute does the shared-key generation once so it does not have
78 to be preformed on every encrypt/decrypt. */ 78 to be preformed on every encrypt/decrypt. */
79void encrypt_precompute(uint8_t *public_key, uint8_t *secret_key, uint8_t *enc_key); 79void encrypt_precompute(const uint8_t *public_key, const uint8_t *secret_key, uint8_t *enc_key);
80 80
81/* Encrypts plain of length length to encrypted of length + 16 using a 81/* Encrypts plain of length length to encrypted of length + 16 using a
82 * secret key crypto_box_KEYBYTES big and a 24 byte nonce. 82 * secret key crypto_box_KEYBYTES big and a 24 byte nonce.
@@ -84,7 +84,7 @@ void encrypt_precompute(uint8_t *public_key, uint8_t *secret_key, uint8_t *enc_k
84 * return -1 if there was a problem. 84 * return -1 if there was a problem.
85 * return length of encrypted data if everything was fine. 85 * return length of encrypted data if everything was fine.
86 */ 86 */
87int encrypt_data_symmetric(uint8_t *secret_key, uint8_t *nonce, uint8_t *plain, uint32_t length, uint8_t *encrypted); 87int encrypt_data_symmetric(const uint8_t *secret_key, const uint8_t *nonce, const uint8_t *plain, uint32_t length, uint8_t *encrypted);
88 88
89/* Decrypts encrypted of length length to plain of length length - 16 using a 89/* Decrypts encrypted of length length to plain of length length - 16 using a
90 * secret key crypto_box_KEYBYTES big and a 24 byte nonce. 90 * secret key crypto_box_KEYBYTES big and a 24 byte nonce.
@@ -92,7 +92,7 @@ int encrypt_data_symmetric(uint8_t *secret_key, uint8_t *nonce, uint8_t *plain,
92 * return -1 if there was a problem (decryption failed). 92 * return -1 if there was a problem (decryption failed).
93 * return length of plain data if everything was fine. 93 * return length of plain data if everything was fine.
94 */ 94 */
95int decrypt_data_symmetric(uint8_t *secret_key, uint8_t *nonce, uint8_t *encrypted, uint32_t length, uint8_t *plain); 95int decrypt_data_symmetric(const uint8_t *secret_key, const uint8_t *nonce, const uint8_t *encrypted, uint32_t length, uint8_t *plain);
96 96
97/* Increment the given nonce by 1. */ 97/* Increment the given nonce by 1. */
98void increment_nonce(uint8_t *nonce); 98void increment_nonce(uint8_t *nonce);
@@ -128,15 +128,15 @@ void new_nonce(uint8_t *nonce);
128 * return -1 on failure. 128 * return -1 on failure.
129 * return the length of the created packet on success. 129 * return the length of the created packet on success.
130 */ 130 */
131int create_request(uint8_t *send_public_key, uint8_t *send_secret_key, uint8_t *packet, uint8_t *recv_public_key, 131int create_request(const uint8_t *send_public_key, const uint8_t *send_secret_key, uint8_t *packet, const uint8_t *recv_public_key,
132 uint8_t *data, uint32_t length, uint8_t request_id); 132 const uint8_t *data, uint32_t length, uint8_t request_id);
133 133
134/* puts the senders public key in the request in public_key, the data from the request 134/* puts the senders public key in the request in public_key, the data from the request
135 in data if a friend or ping request was sent to us and returns the length of the data. 135 in data if a friend or ping request was sent to us and returns the length of the data.
136 packet is the request packet and length is its length 136 packet is the request packet and length is its length
137 return -1 if not valid request. */ 137 return -1 if not valid request. */
138int handle_request(uint8_t *self_public_key, uint8_t *self_secret_key, uint8_t *public_key, uint8_t *data, 138int handle_request(const uint8_t *self_public_key, const uint8_t *self_secret_key, uint8_t *public_key, uint8_t *data,
139 uint8_t *request_id, uint8_t *packet, uint16_t length); 139 uint8_t *request_id, const uint8_t *packet, uint16_t length);
140 140
141 141
142#endif 142#endif