forked from pool/libica
45 lines
1.3 KiB
Diff
45 lines
1.3 KiB
Diff
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From 54c1a5341c9a5cb5513e52548ab0490f8dafbff6 Mon Sep 17 00:00:00 2001
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From: Joerg Schmidbauer <jschmidb@de.ibm.com>
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Date: Thu, 27 Aug 2020 17:08:29 +0200
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Subject: [PATCH] FIPS: skip SHA3 tests if running on hardware without SHA3
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Signed-off-by: Joerg Schmidbauer <jschmidb@de.ibm.com>
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---
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src/fips.c | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/src/fips.c b/src/fips.c
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index 13a550b..facffee 100644
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--- a/src/fips.c
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+++ b/src/fips.c
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@@ -95,11 +95,26 @@ SHA_KAT(384, 512);
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SHA_KAT(512, 512);
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#undef SHA_KAT
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+static inline int sha3_available(void)
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+{
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+ sha3_224_context_t sha3_224_context;
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+ unsigned char output_hash[SHA3_224_HASH_LENGTH];
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+ unsigned char test_data[] = { 0x61,0x62,0x63 };
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+ int rc = 0;
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+
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+ rc = ica_sha3_224(SHA_MSG_PART_ONLY, sizeof(test_data), test_data,
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+ &sha3_224_context, output_hash);
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+
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+ return (rc == ENODEV ? 0 : 1);
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+}
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+
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#define SHA3_KAT(_sha_, _ctx_) \
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static int sha3_##_sha_##_kat(void) { \
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sha3_##_ctx_##_context_t ctx; \
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size_t i; \
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unsigned char out[SHA3_##_sha_##_HASH_LENGTH]; \
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+ if (!sha3_available()) \
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+ return 0; \
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for (i = 0; i < SHA3_##_sha_##_TV_LEN; i++) { \
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if (ica_sha3_##_sha_(SHA_MSG_PART_ONLY, \
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SHA3_##_sha_##_TV[i].msg_len, SHA3_##_sha_##_TV[i].msg, \
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--
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2.26.2
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