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-rw-r--r--lib/crypto/sha1.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/crypto/sha1.c b/lib/crypto/sha1.c
index 5904e4ae85d2..52788278cd17 100644
--- a/lib/crypto/sha1.c
+++ b/lib/crypto/sha1.c
@@ -12,6 +12,7 @@
#include <linux/string.h>
#include <linux/unaligned.h>
#include <linux/wordpart.h>
+#include "fips.h"
static const struct sha1_block_state sha1_iv = {
.h = { SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 },
@@ -330,10 +331,26 @@ void hmac_sha1_usingrawkey(const u8 *raw_key, size_t raw_key_len,
}
EXPORT_SYMBOL_GPL(hmac_sha1_usingrawkey);
-#ifdef sha1_mod_init_arch
+#if defined(sha1_mod_init_arch) || defined(CONFIG_CRYPTO_FIPS)
static int __init sha1_mod_init(void)
{
+#ifdef sha1_mod_init_arch
sha1_mod_init_arch();
+#endif
+ if (fips_enabled) {
+ /*
+ * FIPS cryptographic algorithm self-test. As per the FIPS
+ * Implementation Guidance, testing HMAC-SHA1 satisfies the test
+ * requirement for SHA-1 too.
+ */
+ u8 mac[SHA1_DIGEST_SIZE];
+
+ hmac_sha1_usingrawkey(fips_test_key, sizeof(fips_test_key),
+ fips_test_data, sizeof(fips_test_data),
+ mac);
+ if (memcmp(fips_test_hmac_sha1_value, mac, sizeof(mac)) != 0)
+ panic("sha1: FIPS self-test failed\n");
+ }
return 0;
}
subsys_initcall(sha1_mod_init);