Provide SHA3 length related defines.

These will make EVP integration easier, as well as being used in the SHA3
implementation itself.

1 files changed, 27 insertions, 1 deletions

diff --git a/src/lib/libcrypto/sha/sha3_internal.h b/src/lib/libcrypto/sha/sha3_internal.h
index 889f12c8e9..05a02c8e2c 100644
--- a/src/lib/libcrypto/sha/sha3_internal.h
+++ b/src/lib/libcrypto/sha/sha3_internal.h
@@ -1,4 +1,4 @@
-/*      $OpenBSD: sha3_internal.h,v 1.8 2023/04/15 18:32:55 jsing Exp $ */
+/*      $OpenBSD: sha3_internal.h,v 1.9 2023/04/15 19:22:34 jsing Exp $ */
 /*
  * The MIT License (MIT)
  *
@@ -29,6 +29,32 @@
 #ifndef HEADER_SHA3_INTERNAL_H
 #define HEADER_SHA3_INTERNAL_H
 
+#define KECCAK_BIT_WIDTH        1600
+#define KECCAK_BYTE_WIDTH       (KECCAK_BIT_WIDTH / 8)
+
+#define SHA3_224_BIT_LENGTH     224
+#define SHA3_224_BITRATE        (2 * SHA3_224_BIT_LENGTH)
+#define SHA3_224_CAPACITY       (KECCAK_BIT_WIDTH - SHA3_224_BITRATE)
+#define SHA3_224_BLOCK_SIZE     (SHA3_224_CAPACITY / 8)
+#define SHA3_224_DIGEST_LENGTH  (SHA3_224_BIT_LENGTH / 8)
+
+#define SHA3_256_BIT_LENGTH     256
+#define SHA3_256_BITRATE        (2 * SHA3_256_BIT_LENGTH)
+#define SHA3_256_CAPACITY       (KECCAK_BIT_WIDTH - SHA3_256_BITRATE)
+#define SHA3_256_BLOCK_SIZE     (SHA3_256_CAPACITY / 8)
+#define SHA3_256_DIGEST_LENGTH  (SHA3_256_BIT_LENGTH / 8)
+
+#define SHA3_384_BIT_LENGTH     384
+#define SHA3_384_BITRATE        (2 * SHA3_384_BIT_LENGTH)
+#define SHA3_384_CAPACITY       (KECCAK_BIT_WIDTH - SHA3_384_BITRATE)
+#define SHA3_384_BLOCK_SIZE     (SHA3_384_CAPACITY / 8)
+#define SHA3_384_DIGEST_LENGTH  (SHA3_384_BIT_LENGTH / 8)
+
+#define SHA3_512_BIT_LENGTH     512
+#define SHA3_512_BITRATE        (2 * SHA3_512_BIT_LENGTH)
+#define SHA3_512_CAPACITY       (KECCAK_BIT_WIDTH - SHA3_512_BITRATE)
+#define SHA3_512_BLOCK_SIZE     (SHA3_512_CAPACITY / 8)
+
 typedef struct {
         union {
                 uint8_t b[200];         /* State as 8 bit bytes. */