30 lines
1015 B
Diff
30 lines
1015 B
Diff
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From 76641c1e6b016979973fead7a24bb8fca4ee8325 Mon Sep 17 00:00:00 2001
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From: Johannes Holland <johannes.holland@infineon.com>
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Date: Thu, 26 Sep 2019 09:46:09 +0100
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Subject: [PATCH] esys: fix keysize of ECC curve TPM2_ECC_NISTP224
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In esys_crypto_ossl.c, for the ECC curve TPM2_ECC_NISTP244 a key size of
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38 is selected. However, 224 bit / 8 bit/byte = 28 byte.
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Signed-off-by: Johannes Holland <johannes.holland@infineon.com>
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---
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src/tss2-esys/esys_crypto_ossl.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/tss2-esys/esys_crypto_ossl.c b/src/tss2-esys/esys_crypto_ossl.c
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index 124501964ae7..3c5d86d69705 100644
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--- a/src/tss2-esys/esys_crypto_ossl.c
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+++ b/src/tss2-esys/esys_crypto_ossl.c
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@@ -804,7 +804,7 @@ iesys_cryptossl_get_ecdh_point(TPM2B_PUBLIC *key,
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break;
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case TPM2_ECC_NIST_P224:
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curveId = NID_secp224r1;
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- key_size = 38;
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+ key_size = 28;
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break;
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case TPM2_ECC_NIST_P256:
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curveId = NID_X9_62_prime256v1;
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--
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2.27.0
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