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70 lines
2.0 KiB
70 lines
2.0 KiB
/* |
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* Copyright 2014 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include "rsa_key.h" |
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#include <keymaster/keymaster_context.h> |
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#include "openssl_err.h" |
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#include "openssl_utils.h" |
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#include "rsa_operation.h" |
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namespace keymaster { |
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bool RsaKey::EvpToInternal(const EVP_PKEY* pkey) { |
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rsa_key_.reset(EVP_PKEY_get1_RSA(const_cast<EVP_PKEY*>(pkey))); |
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return rsa_key_.get() != NULL; |
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} |
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bool RsaKey::InternalToEvp(EVP_PKEY* pkey) const { |
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return EVP_PKEY_set1_RSA(pkey, rsa_key_.get()) == 1; |
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} |
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bool RsaKey::SupportedMode(keymaster_purpose_t purpose, keymaster_padding_t padding) { |
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switch (purpose) { |
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case KM_PURPOSE_SIGN: |
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case KM_PURPOSE_VERIFY: |
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return padding == KM_PAD_NONE || padding == KM_PAD_RSA_PSS || |
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padding == KM_PAD_RSA_PKCS1_1_5_SIGN; |
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case KM_PURPOSE_ENCRYPT: |
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case KM_PURPOSE_DECRYPT: |
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return padding == KM_PAD_RSA_OAEP || padding == KM_PAD_RSA_PKCS1_1_5_ENCRYPT; |
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case KM_PURPOSE_DERIVE_KEY: |
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return false; |
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}; |
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return false; |
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} |
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bool RsaKey::SupportedMode(keymaster_purpose_t purpose, keymaster_digest_t digest) { |
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switch (purpose) { |
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case KM_PURPOSE_SIGN: |
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case KM_PURPOSE_VERIFY: |
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return digest == KM_DIGEST_NONE || digest == KM_DIGEST_SHA_2_256; |
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case KM_PURPOSE_ENCRYPT: |
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case KM_PURPOSE_DECRYPT: |
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/* Don't care */ |
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break; |
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case KM_PURPOSE_DERIVE_KEY: |
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return false; |
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}; |
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return true; |
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} |
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} // namespace keymaster
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