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Add support for 16-byte auth tag for AES GCM mode.

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jfigus
2014-05-08 13:34:53 -04:00
committed by Travis Cross
parent b9da5149e2
commit 024162cfc9
15 changed files with 275 additions and 39 deletions
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5
libs/srtp/crypto/include/cipher.h
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@@ -80,7 +80,7 @@ typedef struct cipher_t *cipher_pointer_t;
*/
typedef err_status_t (*cipher_alloc_func_t)
(cipher_pointer_t *cp, int key_len);
(cipher_pointer_t *cp, int key_len, int tag_len);
/*
* a cipher_init_func_t [re-]initializes a cipher_t with a given key
@@ -148,6 +148,7 @@ typedef struct cipher_test_case_t {
uint8_t *ciphertext; /* ciphertext */
int aad_length_octets; /* octets in AAD */
uint8_t *aad; /* AAD */
int tag_length_octets; /* Length of AEAD tag */
struct cipher_test_case_t *next_test_case; /* pointer to next testcase */
} cipher_test_case_t;
@@ -183,7 +184,7 @@ typedef struct cipher_t {
/* some syntactic sugar on these function types */
#define cipher_type_alloc(ct, c, klen) ((ct)->alloc((c), (klen)))
#define cipher_type_alloc(ct, c, klen, tlen) ((ct)->alloc((c), (klen), (tlen)))
#define cipher_dealloc(c) (((c)->type)->dealloc(c))