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libgcrypt
libgcrypt-FIPS-service-indicators.patch
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File libgcrypt-FIPS-service-indicators.patch of Package libgcrypt
Index: libgcrypt-1.9.4/src/fips.c =================================================================== --- libgcrypt-1.9.4.orig/src/fips.c +++ libgcrypt-1.9.4/src/fips.c @@ -437,6 +437,54 @@ _gcry_fips_test_operational (void) } +int +_gcry_fips_indicator_cipher (va_list arg_ptr) +{ + enum gcry_cipher_algos alg = va_arg (arg_ptr, enum gcry_cipher_algos); + enum gcry_cipher_modes mode; + + switch (alg) + { + case GCRY_CIPHER_AES: + case GCRY_CIPHER_AES192: + case GCRY_CIPHER_AES256: + mode = va_arg (arg_ptr, enum gcry_cipher_modes); + switch (mode) + { + case GCRY_CIPHER_MODE_ECB: + case GCRY_CIPHER_MODE_CBC: + case GCRY_CIPHER_MODE_CFB: + case GCRY_CIPHER_MODE_CFB8: + case GCRY_CIPHER_MODE_OFB: + case GCRY_CIPHER_MODE_CTR: + case GCRY_CIPHER_MODE_CCM: + case GCRY_CIPHER_MODE_GCM: + case GCRY_CIPHER_MODE_XTS: + return GPG_ERR_NO_ERROR; + default: + return GPG_ERR_NOT_SUPPORTED; + } + default: + return GPG_ERR_NOT_SUPPORTED; + } +} + + +int +_gcry_fips_indicator_kdf (va_list arg_ptr) +{ + enum gcry_kdf_algos alg = va_arg (arg_ptr, enum gcry_kdf_algos); + + switch (alg) + { + case GCRY_KDF_PBKDF2: + return GPG_ERR_NO_ERROR; + default: + return GPG_ERR_NOT_SUPPORTED; + } +} + + /* This is a test on whether the library is in the error or operational state. */ int Index: libgcrypt-1.9.4/src/g10lib.h =================================================================== --- libgcrypt-1.9.4.orig/src/g10lib.h +++ libgcrypt-1.9.4/src/g10lib.h @@ -487,6 +487,9 @@ void _gcry_fips_signal_error (const char _gcry_fips_signal_error (__FILE__, __LINE__, NULL, 1, (a)) #endif +int _gcry_fips_indicator_cipher (va_list arg_ptr); +int _gcry_fips_indicator_kdf (va_list arg_ptr); + int _gcry_fips_is_operational (void); /* Return true if the library is in the operational state. */ Index: libgcrypt-1.9.4/src/gcrypt.h.in =================================================================== --- libgcrypt-1.9.4.orig/src/gcrypt.h.in +++ libgcrypt-1.9.4/src/gcrypt.h.in @@ -334,7 +334,9 @@ enum gcry_ctl_cmds GCRYCTL_GET_TAGLEN = 76, GCRYCTL_REINIT_SYSCALL_CLAMP = 77, GCRYCTL_AUTO_EXPAND_SECMEM = 78, - GCRYCTL_SET_ALLOW_WEAK_KEY = 79 + GCRYCTL_SET_ALLOW_WEAK_KEY = 79, + GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER = 81, + GCRYCTL_FIPS_SERVICE_INDICATOR_KDF = 82 }; /* Perform various operations defined by CMD. */ Index: libgcrypt-1.9.4/src/global.c =================================================================== --- libgcrypt-1.9.4.orig/src/global.c +++ libgcrypt-1.9.4/src/global.c @@ -755,6 +755,19 @@ _gcry_vcontrol (enum gcry_ctl_cmds cmd, rc = _gcry_fips_run_selftests (1); break; + case GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER: + /* Get FIPS Service Indicator for a given symmetric algorithm and + * optional mode. Returns GPG_ERR_NO_ERROR if algorithm is allowed or + * GPG_ERR_NOT_SUPPORTED otherwise */ + rc = _gcry_fips_indicator_cipher (arg_ptr); + break; + + case GCRYCTL_FIPS_SERVICE_INDICATOR_KDF: + /* Get FIPS Service Indicator for a given KDF. Returns GPG_ERR_NO_ERROR + * if algorithm is allowed or GPG_ERR_NOT_SUPPORTED otherwise */ + rc = _gcry_fips_indicator_kdf (arg_ptr); + break; + case PRIV_CTL_INIT_EXTRNG_TEST: /* Init external random test. */ rc = GPG_ERR_NOT_SUPPORTED; break; Index: libgcrypt-1.9.4/tests/basic.c =================================================================== --- libgcrypt-1.9.4.orig/tests/basic.c +++ libgcrypt-1.9.4/tests/basic.c @@ -6383,6 +6383,16 @@ do_check_ocb_cipher (int inplace) assert (tv[tidx].taglen <= ciphlen); assert (tv[tidx].taglen <= sizeof tag); + /* Verify the FIPS indicator marks this as non-approved */ + if (in_fips_mode) + { + err = gcry_control (GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER, + tv[tidx].algo, GCRY_CIPHER_MODE_OCB); + if (gpg_err_code (err) != GPG_ERR_NOT_SUPPORTED) + fail ("cipher-ocb, gcry_control did not fail as expected (tv %d): %s\n", + tidx, gpg_strerror (err)); + } + err = gcry_cipher_open (&hde, tv[tidx].algo, GCRY_CIPHER_MODE_OCB, 0); if (!err) err = gcry_cipher_open (&hdd, tv[tidx].algo, GCRY_CIPHER_MODE_OCB, 0); @@ -6644,6 +6654,16 @@ check_ocb_cipher_largebuf_split (int alg memcpy(inbuf + i, hash, 16); } + /* Verify the FIPS indicator marks this as non-approved */ + if (in_fips_mode) + { + err = gcry_control (GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER, + algo, GCRY_CIPHER_MODE_OCB); + if (gpg_err_code (err) != GPG_ERR_NOT_SUPPORTED) + fail ("cipher-ocb, gcry_control did not fail as expected (large, algo %d): %s\n", + algo, gpg_strerror (err)); + } + err = gcry_cipher_open (&hde, algo, GCRY_CIPHER_MODE_OCB, 0); if (!err) err = gcry_cipher_open (&hdd, algo, GCRY_CIPHER_MODE_OCB, 0); @@ -6842,7 +6862,17 @@ check_ocb_cipher_checksum (int algo, int blk[byteidx] |= 1 << bitpos; } - err = gcry_cipher_open (&hde, algo, GCRY_CIPHER_MODE_OCB, 0); + /* Verify the FIPS indicator marks this as non-approved */ + if (in_fips_mode) + { + err = gcry_control (GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER, + algo, GCRY_CIPHER_MODE_OCB); + if (gpg_err_code (err) != GPG_ERR_NOT_SUPPORTED) + fail ("cipher-ocb, gcry_control did not fail as expected (checksum, algo %d): %s\n", + algo, gpg_strerror (err)); + } + + err = gcry_cipher_open (&hde, algo, GCRY_CIPHER_MODE_OCB, 0); if (!err) err = gcry_cipher_open (&hde2, algo, GCRY_CIPHER_MODE_OCB, 0); if (!err) @@ -7110,6 +7140,16 @@ check_ocb_cipher_splitaad (void) aad[2] = tv[tidx].aad2? hex2buffer (tv[tidx].aad2, aadlen+2) : NULL; aad[3] = tv[tidx].aad3? hex2buffer (tv[tidx].aad3, aadlen+3) : NULL; + /* Verify the FIPS indicator marks this as non-approved */ + if (in_fips_mode) + { + err = gcry_control (GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER, + GCRY_CIPHER_AES, GCRY_CIPHER_MODE_OCB); + if (gpg_err_code (err) != GPG_ERR_NOT_SUPPORTED) + fail ("cipher-ocb-splitaad, gcry_control did not fail as expected: %s\n", + gpg_strerror (err)); + } + err = gcry_cipher_open (&hde, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_OCB, 0); if (err) { @@ -9044,6 +9084,17 @@ check_bulk_cipher_modes (void) fprintf (stderr, " checking bulk encryption for %s [%i], mode %d\n", gcry_cipher_algo_name (tv[i].algo), tv[i].algo, tv[i].mode); + + /* Verify the FIPS indicator marks approved cipher/modes combinations */ + if (in_fips_mode) + { + err = gcry_control (GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER, + tv[i].algo, tv[i].mode); + if (gpg_err_code (err) != GPG_ERR_NO_ERROR) + fail ("gcry_control unexpectedly failed for algo = %s, mode = %d : %s\n", + gcry_cipher_algo_name (tv[i].algo), tv[i].mode, gpg_strerror (err)); + } + err = gcry_cipher_open (&hde, tv[i].algo, tv[i].mode, 0); if (!err) err = gcry_cipher_open (&hdd, tv[i].algo, tv[i].mode, 0); Index: libgcrypt-1.9.4/doc/gcrypt.texi =================================================================== --- libgcrypt-1.9.4.orig/doc/gcrypt.texi +++ libgcrypt-1.9.4/doc/gcrypt.texi @@ -961,6 +961,19 @@ been registered with Libgpg-error and ad clamp again. Obviously this control code may only be used before a second thread is started in a process. +@item GCRYCTL_FIPS_SERVICE_INDICATOR_CIPHER; Arguments: enum gcry_cipher_algos [, enum gcry_cipher_modes] + +Check if the given symmetric cipher and optional cipher mode combination +is approved under the current FIPS 140-3 certification. If the +combination is approved, this function returns @code{GPG_ERR_NO_ERROR}. +Otherwise @code{GPG_ERR_NOT_SUPPORTED} is returned. + +@item GCRYCTL_FIPS_SERVICE_INDICATOR_KDF; Arguments: enum gcry_kdf_algos + +Check if the given KDF is approved under the current FIPS 140-3 +certification. If the KDF is approved, this function returns +@code{GPG_ERR_NO_ERROR}. Otherwise @code{GPG_ERR_NOT_SUPPORTED} +is returned. @end table @@ -980,7 +993,7 @@ descriptive message to the user and canc Some error values do not indicate a system error or an error in the operation, but the result of an operation that failed properly. For -example, if you try to decrypt a tempered message, the decryption will +example, if you try to decrypt a tampered message, the decryption will fail. Another error value actually means that the end of a data buffer or list has been reached. The following descriptions explain for many error codes what they mean usually. Some error values have @@ -6320,25 +6333,6 @@ The following symmetric encryption algor power-up: @table @asis -@item 3DES -To test the 3DES 3-key EDE encryption in ECB mode these tests are -run: -@enumerate -@item -A known answer test is run on a 64 bit test vector processed by 64 -rounds of Single-DES block encryption and decryption using a key -changed with each round. -@item -A known answer test is run on a 64 bit test vector processed by 16 -rounds of 2-key and 3-key Triple-DES block encryption and decryptions -using a key changed with each round. -@item -10 known answer tests using 3-key Triple-DES EDE encryption, comparing -the ciphertext to the known value, then running a decryption and -comparing it to the initial plaintext. -@end enumerate -(@code{cipher/des.c:selftest}) - @item AES-128 A known answer tests is run using one test vector and one test key with AES in ECB mode. (@code{cipher/rijndael.c:selftest_basic_128}) @@ -6394,6 +6388,9 @@ A known answer test using 28 byte of dat @item HMAC SHA-512 A known answer test using 28 byte of data and a 4 byte key is run. (@code{cipher/hmac-tests.c:selftests_sha512}) +@item CMAC AES +A known answer test using 40 byte of data and a 16 byte key is run. +(@code{cipher/mac-cmac.c:selftests_cmac_aes}) @end table @subsection Random Number Power-Up Test @@ -6416,7 +6413,7 @@ The public key algorithms are tested dur @table @asis @item RSA -A pre-defined 1024 bit RSA key is used and these tests are run +A pre-defined 2048 bit RSA key is used and these tests are run in turn: @enumerate @item @@ -6426,14 +6423,14 @@ Conversion of S-expression to internal f Private key consistency check. (@code{cipher/@/rsa.c:@/selftests_rsa}) @item -A pre-defined 20 byte value is signed with PKCS#1 padding for SHA-1. +A pre-defined 20 byte value is signed with PKCS#1 padding for SHA-256. The result is verified using the public key against the original data -and against modified data. (@code{cipher/@/rsa.c:@/selftest_sign_1024}) +and against modified data. (@code{cipher/@/rsa.c:@/selftest_sign_2048}) @item -A 1000 bit random value is encrypted and checked that it does not -match the original random value. The encrypted result is then +A predefined 66 byte value is encrypted and checked that it matches +reference encyrpted message. The encrypted result is then decrypted and checked that it matches the original random value. -(@code{cipher/@/rsa.c:@/selftest_encr_1024}) +(@code{cipher/@/rsa.c:@/selftest_encr_2048}) @end enumerate @item DSA @@ -6463,15 +6461,6 @@ of the same name but with a single dot a @file{.hmac}. -@subsection Critical Functions Power-Up Tests - -The 3DES weak key detection is tested during power-up by calling the -detection function with keys taken from a table listening all weak -keys. The table itself is protected using a SHA-1 hash. -(@code{cipher/@/des.c:@/selftest}) - - - @c -------------------------------- @section Conditional Tests @@ -6645,8 +6634,6 @@ If Libgcrypt is used in FIPS mode these The cryptographic algorithms are restricted to this list: @table @asis -@item GCRY_CIPHER_3DES -3 key EDE Triple-DES symmetric encryption. @item GCRY_CIPHER_AES128 AES 128 bit symmetric encryption. @item GCRY_CIPHER_AES192 @@ -6673,6 +6660,8 @@ HMAC using a SHA-256 message digest. HMAC using a SHA-384 message digest. @item GCRY_MD_SHA512,GCRY_MD_FLAG_HMAC HMAC using a SHA-512 message digest. +@item GCRY_MAC_CMAC_AES +CMAC using a AES key. @item GCRY_PK_RSA RSA encryption and signing. @item GCRY_PK_DSA @@ -6683,8 +6672,8 @@ Note that the CRC algorithms are not con and thus are in addition available. @item -RSA key generation refuses to create a key with a keysize of -less than 1024 bits. +RSA key generation refuses to create and uyse ea key with a keysize of +less than 2048 bits. @item DSA key generation refuses to create a key with a keysize other @@ -6697,8 +6686,9 @@ The @code{transient-key} flag for RSA an Support for the VIA Padlock engine is disabled. @item -FIPS mode may only be used on systems with a /dev/random device. -Switching into FIPS mode on other systems will fail at runtime. +FIPS mode may only be used on systems with a /dev/random device or +with a getentropy syscall. Switching into FIPS mode on other systems +will fail at runtime. @item Saving and loading a random seed file is ignored. @@ -6731,11 +6721,15 @@ disables FIPS mode unless Enforced FIPS Libgcrypt will enter the error state. @item +The signatures using SHA-1 digest algorithm may not be used. + +@item In Enforced FIPS mode the command @code{GCRYCTL_DISABLE_SECMEM} is ignored. In standard FIPS mode it disables FIPS mode. @item A handler set by @code{gcry_set_outofcore_handler} is ignored. + @item A handler set by @code{gcry_set_fatalerror_handler} is ignored.
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