diff options
Diffstat (limited to 'src/crypto/fipsmodule/modes/polyval.c')
| -rw-r--r-- | src/crypto/fipsmodule/modes/polyval.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/crypto/fipsmodule/modes/polyval.c b/src/crypto/fipsmodule/modes/polyval.c index 392e2d8e..857dc0e3 100644 --- a/src/crypto/fipsmodule/modes/polyval.c +++ b/src/crypto/fipsmodule/modes/polyval.c @@ -21,16 +21,16 @@ #include "../../internal.h" -/* byte_reverse reverses the order of the bytes in |b->c|. */ +// byte_reverse reverses the order of the bytes in |b->c|. static void byte_reverse(polyval_block *b) { const uint64_t t = CRYPTO_bswap8(b->u[0]); b->u[0] = CRYPTO_bswap8(b->u[1]); b->u[1] = t; } -/* reverse_and_mulX_ghash interprets the bytes |b->c| as a reversed element of - * the GHASH field, multiplies that by 'x' and serialises the result back into - * |b|, but with GHASH's backwards bit ordering. */ +// reverse_and_mulX_ghash interprets the bytes |b->c| as a reversed element of +// the GHASH field, multiplies that by 'x' and serialises the result back into +// |b|, but with GHASH's backwards bit ordering. static void reverse_and_mulX_ghash(polyval_block *b) { uint64_t hi = b->u[0]; uint64_t lo = b->u[1]; @@ -44,11 +44,11 @@ static void reverse_and_mulX_ghash(polyval_block *b) { b->u[1] = CRYPTO_bswap8(hi); } -/* POLYVAL(H, X_1, ..., X_n) = - * ByteReverse(GHASH(mulX_GHASH(ByteReverse(H)), ByteReverse(X_1), ..., - * ByteReverse(X_n))). - * - * See https://tools.ietf.org/html/draft-irtf-cfrg-gcmsiv-02#appendix-A. */ +// POLYVAL(H, X_1, ..., X_n) = +// ByteReverse(GHASH(mulX_GHASH(ByteReverse(H)), ByteReverse(X_1), ..., +// ByteReverse(X_n))). +// +// See https://tools.ietf.org/html/draft-irtf-cfrg-gcmsiv-02#appendix-A. void CRYPTO_POLYVAL_init(struct polyval_ctx *ctx, const uint8_t key[16]) { polyval_block H; |