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-rw-r--r--include/crypto/hash.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index bbaeae705ef0..586700332c73 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -177,14 +177,26 @@ struct shash_desc {
#define HASH_MAX_DIGESTSIZE 64
+/*
+ * The size of a core hash state and a partial block. The final byte
+ * is the length of the partial block.
+ */
+#define HASH_STATE_AND_BLOCK(state, block) ((state) + (block) + 1)
+
+
/* Worst case is sha3-224. */
-#define HASH_MAX_STATESIZE 200 + 144 + 1
+#define HASH_MAX_STATESIZE HASH_STATE_AND_BLOCK(200, 144)
+
+/* This needs to match arch/s390/crypto/sha.h. */
+#define S390_SHA_CTX_SIZE 216
/*
* Worst case is hmac(sha3-224-s390). Its context is a nested 'shash_desc'
* containing a 'struct s390_sha_ctx'.
*/
-#define HASH_MAX_DESCSIZE (sizeof(struct shash_desc) + 361)
+#define SHA3_224_S390_DESCSIZE HASH_STATE_AND_BLOCK(S390_SHA_CTX_SIZE, 144)
+#define HASH_MAX_DESCSIZE (sizeof(struct shash_desc) + \
+ SHA3_224_S390_DESCSIZE)
#define MAX_SYNC_HASH_REQSIZE (sizeof(struct ahash_request) + \
HASH_MAX_DESCSIZE)