Test results for amd64, cherry, crypto_aead/aes256cpfbv1

[Page version: 20241024 06:43:23]

Compiler output

try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(encrypt.o): in function `crypto_aead_aes256cpfbv1_aesni_timingleaks_encrypt':
try.c: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/encrypt.c:696: undefined reference to `safe_store_partial'
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o): in function `AES_128_Key_Expansion_and_encryption':
try.c: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:51: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:55: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:59: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:63: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:67: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o):.../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:71: more undefined references to `key_expansion_128' follow
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o): in function `AES_256_Key_Expansion':
try.c: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:182: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:184: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:187: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:189: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:192: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:194: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:197: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:199: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:202: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:204: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:207: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:209: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:212: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o): in function `AES_256_Key_Expansion_2':
try.c: .../supercop-data/cherry/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:230: undefined reference to `KEY_256_ASSIST_1'
try.c: ...

Compiler output

cpfbkey.c: cpfbkey.c:50:9: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
cpfbkey.c: temp2 = _mm_aeskeygenassist_si128 (temp1,0x1);
cpfbkey.c:         ^
cpfbkey.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_aes.h:136:12: note: expanded from macro '_mm_aeskeygenassist_si128'
cpfbkey.c:   (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
cpfbkey.c:            ^
cpfbkey.c: cpfbkey.c:52:6: error: always_inline function '_mm_aesenc_si128' requires target feature 'aes', but would be inlined into function 'AES_128_Key_Expansion_and_encryption' that is compiled without support for 'aes'
cpfbkey.c: k1 = _mm_aesenc_si128(k1,temp1);
cpfbkey.c:      ^
cpfbkey.c: cpfbkey.c:53:6: error: always_inline function '_mm_aesenc_si128' requires target feature 'aes', but would be inlined into function 'AES_128_Key_Expansion_and_encryption' that is compiled without support for 'aes'
cpfbkey.c: k2 = _mm_aesenc_si128(k2,temp1);
cpfbkey.c:      ^
cpfbkey.c: cpfbkey.c:54:9: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
cpfbkey.c: temp2 = _mm_aeskeygenassist_si128 (temp1,0x2);
cpfbkey.c:         ^
cpfbkey.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_aes.h:136:12: note: expanded from macro '_mm_aeskeygenassist_si128'
cpfbkey.c:   (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
cpfbkey.c:            ^
cpfbkey.c: cpfbkey.c:56:6: error: always_inline function '_mm_aesenc_si128' requires target feature 'aes', but would be inlined into function 'AES_128_Key_Expansion_and_encryption' that is compiled without support for 'aes'
cpfbkey.c: k1 = _mm_aesenc_si128(k1,temp1);
cpfbkey.c:      ^
cpfbkey.c: cpfbkey.c:57:6: error: always_inline function '_mm_aesenc_si128' requires target feature 'aes', but would be inlined into function 'AES_128_Key_Expansion_and_encryption' that is compiled without support for 'aes'
cpfbkey.c: k2 = _mm_aesenc_si128(k2,temp1);
cpfbkey.c:      ^
cpfbkey.c: cpfbkey.c:58:9: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
cpfbkey.c: ...

Compiler output

try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(encrypt.o): in function `crypto_aead_aes256cpfbv1_aesni_timingleaks_encrypt':
try.c: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/encrypt.c:696: undefined reference to `safe_store_partial'
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o): in function `AES_128_Key_Expansion_and_encryption':
try.c: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:51: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:55: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:59: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:63: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:67: undefined reference to `key_expansion_128'
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o):.../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:71: more undefined references to `key_expansion_128' follow
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o): in function `AES_256_Key_Expansion':
try.c: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:182: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:184: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:187: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:189: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:192: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:194: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:197: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:199: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:202: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:204: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:207: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:209: undefined reference to `KEY_256_ASSIST_2'
try.c: /usr/bin/ld: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:212: undefined reference to `KEY_256_ASSIST_1'
try.c: /usr/bin/ld: libcrypto_aead_aes256cpfbv1.a(cpfbkey.o): in function `AES_256_Key_Expansion_2':
try.c: .../supercop-data/cherry/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_aead/aes256cpfbv1/aesni/work/cpfbkey.c:230: undefined reference to `KEY_256_ASSIST_1'
try.c: ...

Compiler output

encrypt.c: encrypt.c:170:89: error: array has incomplete element type 'EVP_CIPHER_CTX' (aka 'struct evp_cipher_ctx_st')
encrypt.c: static void gen_kappa(unsigned char* nonce, unsigned char* kappa, EVP_CIPHER_CTX ctx_key[1]){
encrypt.c:                                                                                         ^
encrypt.c: /usr/include/openssl/ossl_typ.h:90:16: note: forward declaration of 'struct evp_cipher_ctx_st'
encrypt.c: typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
encrypt.c:                ^
encrypt.c: encrypt.c:188:25: error: array has incomplete element type 'EVP_CIPHER_CTX' (aka 'struct evp_cipher_ctx_st')
encrypt.c:     EVP_CIPHER_CTX ctx_k[1];
encrypt.c:                         ^
encrypt.c: /usr/include/openssl/ossl_typ.h:90:16: note: forward declaration of 'struct evp_cipher_ctx_st'
encrypt.c: typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
encrypt.c:                ^
encrypt.c: encrypt.c:189:31: error: array has incomplete element type 'EVP_CIPHER_CTX' (aka 'struct evp_cipher_ctx_st')
encrypt.c:     EVP_CIPHER_CTX ctx_kappa_0[1];
encrypt.c:                               ^
encrypt.c: /usr/include/openssl/ossl_typ.h:90:16: note: forward declaration of 'struct evp_cipher_ctx_st'
encrypt.c: typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
encrypt.c:                ^
encrypt.c: encrypt.c:190:31: error: array has incomplete element type 'EVP_CIPHER_CTX' (aka 'struct evp_cipher_ctx_st')
encrypt.c:     EVP_CIPHER_CTX ctx_kappa_m[1];
encrypt.c:                               ^
encrypt.c: /usr/include/openssl/ossl_typ.h:90:16: note: forward declaration of 'struct evp_cipher_ctx_st'
encrypt.c: typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
encrypt.c:                ^
encrypt.c: encrypt.c:330:25: error: array has incomplete element type 'EVP_CIPHER_CTX' (aka 'struct evp_cipher_ctx_st')
encrypt.c: ...

Compiler output

encrypt.c: encrypt.c:170:82: error: array type has incomplete element type 'EVP_CIPHER_CTX' {aka 'struct evp_cipher_ctx_st'}
encrypt.c:   170 | static void gen_kappa(unsigned char* nonce, unsigned char* kappa, EVP_CIPHER_CTX ctx_key[1]){
encrypt.c:       |                                                                                  ^~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_aes256cpfbv1_evp_timingleaks_encrypt':
encrypt.c: encrypt.c:188:20: error: array type has incomplete element type 'EVP_CIPHER_CTX' {aka 'struct evp_cipher_ctx_st'}
encrypt.c:   188 |     EVP_CIPHER_CTX ctx_k[1];
encrypt.c:       |                    ^~~~~
encrypt.c: encrypt.c:189:20: error: array type has incomplete element type 'EVP_CIPHER_CTX' {aka 'struct evp_cipher_ctx_st'}
encrypt.c:   189 |     EVP_CIPHER_CTX ctx_kappa_0[1];
encrypt.c:       |                    ^~~~~~~~~~~
encrypt.c: encrypt.c:190:20: error: array type has incomplete element type 'EVP_CIPHER_CTX' {aka 'struct evp_cipher_ctx_st'}
encrypt.c:   190 |     EVP_CIPHER_CTX ctx_kappa_m[1];
encrypt.c:       |                    ^~~~~~~~~~~
encrypt.c: encrypt.c:204:31: error: type of formal parameter 3 is incomplete
encrypt.c:   204 |     gen_kappa(nonce, kappa_0, ctx_k);
encrypt.c:       |                               ^~~~~
encrypt.c: encrypt.c:265:28: error: type of formal parameter 3 is incomplete
encrypt.c:   265 |  gen_kappa(nonce, kappa_m, ctx_k);
encrypt.c:       |                            ^~~~~
encrypt.c: encrypt.c:190:20: warning: unused variable 'ctx_kappa_m' [-Wunused-variable]
encrypt.c:   190 |     EVP_CIPHER_CTX ctx_kappa_m[1];
encrypt.c:       |                    ^~~~~~~~~~~
encrypt.c: encrypt.c:189:20: warning: unused variable 'ctx_kappa_0' [-Wunused-variable]
encrypt.c:   189 |     EVP_CIPHER_CTX ctx_kappa_0[1];
encrypt.c:       |                    ^~~~~~~~~~~
encrypt.c: ...

Namespace violations

cpfbkey.o AES_128_Key_Expansion_2 T
cpfbkey.o AES_128_Key_Expansion_and_encryption T
cpfbkey.o AES_256_Key_Expansion T
cpfbkey.o AES_256_Key_Expansion_2 T
cpfbkey.o AES_256_Key_Expansion_and_encryption T

Namespace violations

rijndael-alg-fst.o rijndaelDecrypt T
rijndael-alg-fst.o rijndaelEncrypt T
rijndael-alg-fst.o rijndaelKeySetupDec T
rijndael-alg-fst.o rijndaelKeySetupEnc T

Namespace violations

aescrypt.o aes_encrypt T
aeskey.o aes_encrypt_key128 T
aeskey.o aes_encrypt_key256 T
aestab.o aes_init T
aestab.o t_fl R
aestab.o t_fn R
aestab.o t_rc R