diff options
Diffstat (limited to 'security/nss/lib/freebl/gcm.h')
| -rw-r--r-- | security/nss/lib/freebl/gcm.h | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/security/nss/lib/freebl/gcm.h b/security/nss/lib/freebl/gcm.h index 1cdba534d..0c707a081 100644 --- a/security/nss/lib/freebl/gcm.h +++ b/security/nss/lib/freebl/gcm.h @@ -6,6 +6,17 @@ #define GCM_H 1 #include "blapii.h" +#include <stdint.h> + +#ifdef NSS_X86_OR_X64 +#include <emmintrin.h> /* __m128i */ +#endif + +SEC_BEGIN_PROTOS + +#ifdef HAVE_INT128_SUPPORT +typedef unsigned __int128 uint128_t; +#endif typedef struct GCMContextStr GCMContext; @@ -17,7 +28,7 @@ typedef struct GCMContextStr GCMContext; * The cipher argument is a block cipher in the ECB encrypt mode. */ GCMContext *GCM_CreateContext(void *context, freeblCipherFunc cipher, - const unsigned char *params, unsigned int blocksize); + const unsigned char *params); void GCM_DestroyContext(GCMContext *gcm, PRBool freeit); SECStatus GCM_EncryptUpdate(GCMContext *gcm, unsigned char *outbuf, unsigned int *outlen, unsigned int maxout, @@ -28,4 +39,34 @@ SECStatus GCM_DecryptUpdate(GCMContext *gcm, unsigned char *outbuf, const unsigned char *inbuf, unsigned int inlen, unsigned int blocksize); +/* These functions are here only so we can test them */ +#define GCM_HASH_LEN_LEN 8 /* gcm hash defines lengths to be 64 bits */ +typedef struct gcmHashContextStr gcmHashContext; +typedef SECStatus (*ghash_t)(gcmHashContext *, const unsigned char *, + unsigned int); +pre_align struct gcmHashContextStr { +#ifdef NSS_X86_OR_X64 + __m128i x, h; +#endif + uint64_t x_low, x_high, h_high, h_low; + unsigned char buffer[MAX_BLOCK_SIZE]; + unsigned int bufLen; + uint8_t counterBuf[16]; + uint64_t cLen; + ghash_t ghash_mul; + PRBool hw; + gcmHashContext *mem; +} post_align; + +SECStatus gcmHash_Update(gcmHashContext *ghash, const unsigned char *buf, + unsigned int len); +SECStatus gcmHash_InitContext(gcmHashContext *ghash, const unsigned char *H, + PRBool sw); +SECStatus gcmHash_Reset(gcmHashContext *ghash, const unsigned char *AAD, + unsigned int AADLen); +SECStatus gcmHash_Final(gcmHashContext *ghash, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout); + +SEC_END_PROTOS + #endif |