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RSA PSS-padding 默认修改saltlen为digest Len

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Signed-off-by: haixiangw <wanghaixiang@huawei.com>
This commit is contained in:
haixiangw 2023-03-02 01:00:05 -08:00
parent 7704a9ab0f
commit e767eb1876
2 changed files with 14 additions and 1 deletions
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13
services/cert_manager_standard/cert_manager_engine/main/core/src/cert_manager_key_operation.c
View File

@ -286,6 +286,19 @@ static int32_t AddParamsToParamSet(const struct CmBlob *commonUri, const struct
CM_LOG_E("add params failed");
break;
}
/* In the case of RSA PSS-Padding, set the salt length to the digest length */
if ((keySpec.algType == HKS_ALG_RSA) && (inputKeyProp.padding == HKS_PADDING_PSS)) {
struct HksParam saltLenParam = {
.tag = HKS_TAG_RSA_PSS_SALT_LEN_TYPE,
.uint32Param = HKS_RSA_PSS_SALTLEN_DIGEST
};
ret = HksAddParams(paramSet, &saltLenParam, 1);
if (ret != HKS_SUCCESS) {
CM_LOG_E("add saltLen tag failed");
break;
}
}
} while (0);
CM_FREE_PTR(outParamSet);

2
test/unittest/src/cm_finish_test.cpp
View File

@ -576,7 +576,7 @@ HWTEST_F(CmFinishTest, CmFinishTest028, TestSize.Level0)
*/
HWTEST_F(CmFinishTest, CmFinishTest029, TestSize.Level0)
{
struct CmSignatureSpec spec = { CM_KEY_PURPOSE_SIGN, CM_PADDING_PSS, CM_DIGEST_SHA256 };
struct CmSignatureSpec spec = { CM_KEY_PURPOSE_SIGN, CM_PADDING_PSS, CM_DIGEST_SHA224 };
TestSignVerify(CERT_KEY_ALG_RSA_512, true, &spec);
}