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From ee3464dff7536c98fd64c80d87c765f703dff0f0 Mon Sep 17 00:00:00 2001
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From: Ingo Franzki <ifranzki@linux.ibm.com>
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Date: Fri, 18 Nov 2022 10:44:56 +0100
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Subject: [PATCH 11/34] EP11: remove dead code and unused variables
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Some variables are declared and initialized to NULL, but never used or set.
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The attempt to free them at the end of the function is dead code.
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Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
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---
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usr/lib/ep11_stdll/ep11_specific.c | 28 ----------------------------
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1 file changed, 28 deletions(-)
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diff --git a/usr/lib/ep11_stdll/ep11_specific.c b/usr/lib/ep11_stdll/ep11_specific.c
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index 9e320503..1dbfe0f5 100644
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--- a/usr/lib/ep11_stdll/ep11_specific.c
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+++ b/usr/lib/ep11_stdll/ep11_specific.c
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@@ -3575,7 +3575,6 @@ static CK_RV import_IBM_Dilithium_key(STDLL_TokData_t *tokdata, SESSION *sess,
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unsigned char *ep11_pin_blob = NULL;
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CK_ULONG ep11_pin_blob_len = 0;
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ep11_session_t *ep11_session = (ep11_session_t *) sess->private_data;
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- CK_BYTE *pubkey = NULL;
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memcpy(iv, "1234567812345678", AES_BLOCK_SIZE);
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@@ -3734,9 +3733,6 @@ static CK_RV import_IBM_Dilithium_key(STDLL_TokData_t *tokdata, SESSION *sess,
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}
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done:
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-
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- if (pubkey)
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- free(pubkey);
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if (data) {
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OPENSSL_cleanse(data, data_len);
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free(data);
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@@ -5486,7 +5482,6 @@ static CK_RV dh_generate_keypair(STDLL_TokData_t *tokdata,
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CK_ATTRIBUTE *opaque_attr = NULL;
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CK_ATTRIBUTE *value_attr = NULL;
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CK_ATTRIBUTE *attr = NULL;
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- CK_ATTRIBUTE *pPublicKeyTemplate_new = NULL;
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CK_ATTRIBUTE_PTR dh_pPublicKeyTemplate = NULL;
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CK_ULONG dh_ulPublicKeyAttributeCount = 0;
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CK_ATTRIBUTE_PTR dh_pPrivateKeyTemplate = NULL;
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@@ -5746,7 +5741,6 @@ static CK_RV dh_generate_keypair(STDLL_TokData_t *tokdata,
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}
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dh_generate_keypair_end:
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- free(pPublicKeyTemplate_new);
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if (dh_pgs.pg != NULL)
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free(dh_pgs.pg);
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if (dh_pPublicKeyTemplate)
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@@ -5778,7 +5772,6 @@ static CK_RV dsa_generate_keypair(STDLL_TokData_t *tokdata,
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CK_ATTRIBUTE *opaque_attr = NULL;
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CK_ATTRIBUTE *value_attr = NULL;
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CK_ATTRIBUTE *attr = NULL;
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- CK_ATTRIBUTE *pPublicKeyTemplate_new = NULL;
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CK_BYTE *key;
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CK_BYTE *data, *oid, *parm;
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CK_ULONG data_len, field_len, bit_str_len, oid_len, parm_len;
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@@ -6047,7 +6040,6 @@ static CK_RV dsa_generate_keypair(STDLL_TokData_t *tokdata,
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}
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dsa_generate_keypair_end:
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- free(pPublicKeyTemplate_new);
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if (dsa_pqgs.pqg != NULL)
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free(dsa_pqgs.pqg);
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if (dsa_pPublicKeyTemplate)
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@@ -6080,10 +6072,6 @@ static CK_RV rsa_ec_generate_keypair(STDLL_TokData_t *tokdata,
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CK_BYTE *data, *oid, *parm;
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CK_ULONG data_len, oid_len, parm_len;
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CK_ULONG field_len;
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- CK_ATTRIBUTE_PTR new_pPublicKeyTemplate = NULL;
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- CK_ULONG new_ulPublicKeyAttributeCount = 0;
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- CK_ATTRIBUTE_PTR new_pPrivateKeyTemplate = NULL;
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- CK_ULONG new_ulPrivateKeyAttributeCount = 0;
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CK_ULONG ktype;
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unsigned char *ep11_pin_blob = NULL;
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CK_ULONG ep11_pin_blob_len = 0;
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@@ -6399,12 +6387,6 @@ static CK_RV rsa_ec_generate_keypair(STDLL_TokData_t *tokdata,
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}
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error:
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- if (new_pPrivateKeyTemplate)
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- free_attribute_array(new_pPrivateKeyTemplate,
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- new_ulPrivateKeyAttributeCount);
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- if (new_pPublicKeyTemplate)
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- free_attribute_array(new_pPublicKeyTemplate,
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- new_ulPublicKeyAttributeCount);
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if (new_publ_attrs)
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free_attribute_array(new_publ_attrs, new_publ_attrs_len);
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if (new_priv_attrs)
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@@ -6432,10 +6414,6 @@ static CK_RV ibm_dilithium_generate_keypair(STDLL_TokData_t *tokdata,
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CK_BYTE *data, *oid, *parm;
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CK_ULONG data_len, oid_len, parm_len;
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CK_ULONG field_len;
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- CK_ATTRIBUTE_PTR new_pPublicKeyTemplate = NULL;
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- CK_ULONG new_ulPublicKeyAttributeCount = 0;
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- CK_ATTRIBUTE_PTR new_pPrivateKeyTemplate = NULL;
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- CK_ULONG new_ulPrivateKeyAttributeCount = 0;
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CK_ULONG ktype = CKK_IBM_PQC_DILITHIUM;
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unsigned char *ep11_pin_blob = NULL;
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CK_ULONG ep11_pin_blob_len = 0;
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@@ -6679,12 +6657,6 @@ static CK_RV ibm_dilithium_generate_keypair(STDLL_TokData_t *tokdata,
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}
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error:
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- if (new_pPrivateKeyTemplate)
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- free_attribute_array(new_pPrivateKeyTemplate,
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- new_ulPrivateKeyAttributeCount);
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- if (new_pPublicKeyTemplate)
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- free_attribute_array(new_pPublicKeyTemplate,
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- new_ulPublicKeyAttributeCount);
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if (new_publ_attrs)
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free_attribute_array(new_publ_attrs, new_publ_attrs_len);
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if (new_priv_attrs)
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--
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2.16.2.windows.1
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