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evp.h: add flag to distinguish AEAD ciphers and pair of control codes...

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This commit is contained in:
Andy Polyakov 2011-07-11 13:54:53 +00:00
parent 735ebc2de7
commit a355cf9bf5
1 changed files with 8 additions and 0 deletions
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8
crypto/evp/evp.h
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@ -361,6 +361,7 @@ struct evp_cipher_st
* as finalisation. * as finalisation.
*/ */
#define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000 #define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000
#define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
/* ctrl() values */ /* ctrl() values */
@ -383,6 +384,13 @@ struct evp_cipher_st
#define EVP_CTRL_CCM_SET_TAG EVP_CTRL_GCM_SET_TAG #define EVP_CTRL_CCM_SET_TAG EVP_CTRL_GCM_SET_TAG
#define EVP_CTRL_CCM_SET_L 0x14 #define EVP_CTRL_CCM_SET_L 0x14
#define EVP_CTRL_CCM_SET_MSGLEN 0x15 #define EVP_CTRL_CCM_SET_MSGLEN 0x15
/* AEAD cipher deduces payload length and returns number of bytes
* required to store MAC and eventual padding. Subsequent call to
* EVP_Cipher even appends/verifies MAC.
*/
#define EVP_CTRL_AEAD_TLS1_AAD 0x16
/* Used by composite AEAD ciphers, no-op in GCM, CCM... */
#define EVP_CTRL_AEAD_SET_MAC_KEY 0x17
typedef struct evp_cipher_info_st typedef struct evp_cipher_info_st
{ {