diff options
Diffstat (limited to 'src/ltc/encauth/gcm/gcm_process.c')
| -rw-r--r-- | src/ltc/encauth/gcm/gcm_process.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/ltc/encauth/gcm/gcm_process.c b/src/ltc/encauth/gcm/gcm_process.c index af0444d0..08921dbc 100644 --- a/src/ltc/encauth/gcm/gcm_process.c +++ b/src/ltc/encauth/gcm/gcm_process.c @@ -17,9 +17,9 @@ #ifdef LTC_GCM_MODE -/** +/** Process plaintext/ciphertext through GCM - @param gcm The GCM state + @param gcm The GCM state @param pt The plaintext @param ptlen The plaintext length (ciphertext length is the same) @param ct The ciphertext @@ -44,7 +44,7 @@ int gcm_process(gcm_state *gcm, if (gcm->buflen > 16 || gcm->buflen < 0) { return CRYPT_INVALID_ARG; } - + if ((err = cipher_is_valid(gcm->cipher)) != CRYPT_OK) { return err; } @@ -77,7 +77,7 @@ int gcm_process(gcm_state *gcm, x = 0; #ifdef LTC_FAST if (gcm->buflen == 0) { - if (direction == GCM_ENCRYPT) { + if (direction == GCM_ENCRYPT) { for (x = 0; x < (ptlen & ~15); x += 16) { /* ctr encrypt */ for (y = 0; y < 16; y += sizeof(LTC_FAST_TYPE)) { @@ -115,14 +115,14 @@ int gcm_process(gcm_state *gcm, } } } -#endif +#endif /* process text */ for (; x < ptlen; x++) { if (gcm->buflen == 16) { gcm->pttotlen += 128; gcm_mult_h(gcm, gcm->X); - + /* increment counter */ for (y = 15; y >= 12; y--) { if (++gcm->Y[y] & 255) { break; } @@ -134,12 +134,12 @@ int gcm_process(gcm_state *gcm, } if (direction == GCM_ENCRYPT) { - b = ct[x] = pt[x] ^ gcm->buf[gcm->buflen]; + b = ct[x] = pt[x] ^ gcm->buf[gcm->buflen]; } else { b = ct[x]; pt[x] = ct[x] ^ gcm->buf[gcm->buflen]; } - gcm->X[gcm->buflen++] ^= b; + gcm->X[gcm->buflen++] ^= b; } return CRYPT_OK; |