diff options
author | Erwin Nindl <nine@wirdorange.org> | 2007-06-22 13:59:20 +0000 |
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committer | Erwin Nindl <nine@wirdorange.org> | 2007-06-22 13:59:20 +0000 |
commit | 0275479cb56c7f562f3513fef66c83fc44d1d8c9 (patch) | |
tree | f6fbb703cebf62d18b05e2a5e7591ac08c5b6702 /srtp/crypto/include/aes_icm.h | |
parent | satp internet draft 00 final ietf version (diff) |
added libsrtp to svn
Diffstat (limited to 'srtp/crypto/include/aes_icm.h')
-rw-r--r-- | srtp/crypto/include/aes_icm.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/srtp/crypto/include/aes_icm.h b/srtp/crypto/include/aes_icm.h new file mode 100644 index 0000000..17a1ddb --- /dev/null +++ b/srtp/crypto/include/aes_icm.h @@ -0,0 +1,56 @@ +/* + * aes_icm.h + * + * Header for AES Integer Counter Mode. + * + * David A. McGrew + * Cisco Systems, Inc. + * + */ + +#ifndef AES_ICM_H +#define AES_ICM_H + +#include "aes.h" +#include "cipher.h" + +typedef struct { + v128_t counter; /* holds the counter value */ + v128_t offset; /* initial offset value */ + v128_t keystream_buffer; /* buffers bytes of keystream */ + aes_expanded_key_t expanded_key; /* the cipher key */ + int bytes_in_buffer; /* number of unused bytes in buffer */ +} aes_icm_ctx_t; + + +err_status_t +aes_icm_context_init(aes_icm_ctx_t *c, + const unsigned char *key); + +err_status_t +aes_icm_set_iv(aes_icm_ctx_t *c, void *iv); + +err_status_t +aes_icm_encrypt(aes_icm_ctx_t *c, + unsigned char *buf, unsigned int *bytes_to_encr); + +err_status_t +aes_icm_output(aes_icm_ctx_t *c, + unsigned char *buf, int bytes_to_output); + +err_status_t +aes_icm_dealloc(cipher_t *c); + +err_status_t +aes_icm_encrypt_ismacryp(aes_icm_ctx_t *c, + unsigned char *buf, + unsigned int *enc_len, + int forIsmacryp); + +err_status_t +aes_icm_alloc_ismacryp(cipher_t **c, + int key_len, + int forIsmacryp); + +#endif /* AES_ICM_H */ + |