56#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
57 if(algo ==
"ChaCha20Poly1305") {
59 return std::make_unique<ChaCha20Poly1305_Encryption>();
61 return std::make_unique<ChaCha20Poly1305_Decryption>();
66 if(algo.find(
'/') != std::string::npos) {
67 const std::vector<std::string> algo_parts =
split_on(algo,
'/');
68 std::string_view cipher_name = algo_parts[0];
71 if(mode_info.empty()) {
72 return std::unique_ptr<AEAD_Mode>();
75 std::ostringstream mode_name;
77 mode_name << mode_info[0] <<
'(' << cipher_name;
78 for(
size_t i = 1; i < mode_info.size(); ++i) {
79 mode_name <<
',' << mode_info[i];
81 for(
size_t i = 2; i < algo_parts.size(); ++i) {
82 mode_name <<
',' << algo_parts[i];
89#if defined(BOTAN_HAS_BLOCK_CIPHER)
94 return std::unique_ptr<AEAD_Mode>();
100 return std::unique_ptr<AEAD_Mode>();
103 #if defined(BOTAN_HAS_AEAD_CCM)
108 return std::make_unique<CCM_Encryption>(std::move(bc), tag_len, L_len);
110 return std::make_unique<CCM_Decryption>(std::move(bc), tag_len, L_len);
115 #if defined(BOTAN_HAS_AEAD_GCM)
119 return std::make_unique<GCM_Encryption>(std::move(bc), tag_len);
121 return std::make_unique<GCM_Decryption>(std::move(bc), tag_len);
126 #if defined(BOTAN_HAS_AEAD_OCB)
130 return std::make_unique<OCB_Encryption>(std::move(bc), tag_len);
132 return std::make_unique<OCB_Decryption>(std::move(bc), tag_len);
137 #if defined(BOTAN_HAS_AEAD_EAX)
141 return std::make_unique<EAX_Encryption>(std::move(bc), tag_len);
143 return std::make_unique<EAX_Decryption>(std::move(bc), tag_len);
148 #if defined(BOTAN_HAS_AEAD_SIV)
151 return std::make_unique<SIV_Encryption>(std::move(bc));
153 return std::make_unique<SIV_Decryption>(std::move(bc));
160 return std::unique_ptr<AEAD_Mode>();