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Diffstat (limited to 'cipher/cipher-internal.h')
-rw-r--r--cipher/cipher-internal.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/cipher/cipher-internal.h b/cipher/cipher-internal.h
index a6e62717..9287ef59 100644
--- a/cipher/cipher-internal.h
+++ b/cipher/cipher-internal.h
@@ -133,7 +133,6 @@ struct gcry_cipher_handle
/* Space to save an IV or CTR for chaining operations. */
unsigned char lastiv[MAX_BLOCKSIZE];
int unused; /* Number of unused bytes in LASTIV. */
- unsigned char length[MAX_BLOCKSIZE]; /* bit counters for GCM */
union {
/* Mode specific storage for CCM mode. */
@@ -169,6 +168,13 @@ struct gcry_cipher_handle
unsigned char tag[MAX_BLOCKSIZE];
} u_tag;
+ /* byte counters for GCM */
+ u32 aadlen[2];
+ u32 datalen[2];
+
+ /* encrypted tag counter */
+ unsigned char tagiv[MAX_BLOCKSIZE];
+
/* Pre-calculated table for GCM. */
#ifdef GCM_USE_TABLES
#if defined(HAVE_U64_TYPEDEF) && (SIZEOF_UNSIGNED_LONG == 8 \
@@ -181,6 +187,7 @@ struct gcry_cipher_handle
#endif
#endif
+ unsigned int datalen_over_limits:1;
#ifdef GCM_USE_INTEL_PCLMUL
unsigned int use_intel_pclmul:1;
#endif
@@ -274,9 +281,9 @@ gcry_err_code_t _gcry_cipher_gcm_decrypt
/* */ (gcry_cipher_hd_t c,
unsigned char *outbuf, unsigned int outbuflen,
const unsigned char *inbuf, unsigned int inbuflen);
-void _gcry_cipher_gcm_setiv
+gcry_err_code_t _gcry_cipher_gcm_setiv
/* */ (gcry_cipher_hd_t c,
- const unsigned char *iv, unsigned int ivlen);
+ const unsigned char *iv, size_t ivlen);
gcry_err_code_t _gcry_cipher_gcm_authenticate
/* */ (gcry_cipher_hd_t c,
const unsigned char *aadbuf, unsigned int aadbuflen);
@@ -287,4 +294,5 @@ gcry_err_code_t _gcry_cipher_gcm_check_tag
/* */ (gcry_cipher_hd_t c,
const unsigned char *intag, size_t taglen);
+
#endif /*G10_CIPHER_INTERNAL_H*/