ossl-guide-migration.7 - OpenGrok cross reference for /freebsd/secure/lib/libcrypto/man/man7/ossl-guide-migration.7

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127 "high level" APIs (for example those functions prefixed with \f(CW\*(C`EVP\*(C'\fR). They cannot
128 be accessed using the "Low Level APIs".
151 \fILow Level APIs\fR
152 .IX Subsection "Low Level APIs"
155 algorithms: the "high level" APIs (such as the \f(CW\*(C`EVP\*(C'\fR APIs) and the "low level"
156 APIs. The high level APIs are typically designed to work across all algorithm
157 types. The "low level" APIs are targeted at a specific algorithm implementation.
161 On the other hand, to do AES encryption using the low level APIs you would have
164 Use of the low level APIs has been informally discouraged by the OpenSSL
166 formal. All such low level APIs have been deprecated. You may still use them in
170 your code to use the high level APIs instead.
172 This is described in more detail in "Deprecation of Low Level Functions"
220 Setting engine-based or application-based default low-level crypto method such
238 instead the patch level is indicated by the final number in the version. A
505 OpenSSL 3.0. Previously they returned a pointer to the low-level key used
605 is if you have used low level APIs in your code (as discussed above). In that
613 Remove your usage of the low level APIs. In this case you will need to rewrite your code to use the…
932 \fIDeprecation of Low Level Functions\fR
933 .IX Subsection "Deprecation of Low Level Functions"
940 Providers are a replacement for engines and low-level method overrides
941 .IX Subsection "Providers are a replacement for engines and low-level method overrides"
950 Deprecated i2d and d2i functions for low-level key types
951 .IX Subsection "Deprecated i2d and d2i functions for low-level key types"
953 Any i2d and d2i functions such as \fBd2i_DHparams()\fR that take a low-level key type
958 Deprecated low-level key object getters and setters
959 .IX Subsection "Deprecated low-level key object getters and setters"
961 Applications that set or get low-level key objects (such as \fBEVP_PKEY_set1_DH()\fR
966 Deprecated low-level key parameter getters
967 .IX Subsection "Deprecated low-level key parameter getters"
969 Functions that access low-level objects directly such as \fBRSA_get0_n\fR\|(3) are now
990 Deprecated low-level key parameter setters
991 .IX Subsection "Deprecated low-level key parameter setters"
993 Functions that access low-level objects directly such as \fBRSA_set0_crt_params\fR\|(3)
999 See "Deprecated low-level key generation functions" for information on
1002 Deprecated low-level object creation
1003 .IX Subsection "Deprecated low-level object creation"
1005 Low-level objects were created using methods such as \fBRSA_new\fR\|(3),
1007 high-level EVP_PKEY APIs, e.g. \fBEVP_PKEY_new\fR\|(3), \fBEVP_PKEY_up_ref\fR\|(3) and
1012 See also "Deprecated low-level key generation functions",
1013 "Deprecated low-level key reading and writing functions" and
1014 "Deprecated low-level key parameter setters".
1016 Deprecated low-level encryption functions
1017 .IX Subsection "Deprecated low-level encryption functions"
1019 Low-level encryption functions such as \fBAES_encrypt\fR\|(3) and \fBAES_decrypt\fR\|(3)
1021 instead use the high level EVP APIs \fBEVP_EncryptInit_ex\fR\|(3),
1025 Deprecated low-level digest functions
1026 .IX Subsection "Deprecated low-level digest functions"
1028 Use of low-level digest functions such as \fBSHA1_Init\fR\|(3) have been
1030 use the high level EVP APIs \fBEVP_DigestInit_ex\fR\|(3), \fBEVP_DigestUpdate\fR\|(3)
1036 Deprecated low-level signing functions
1037 .IX Subsection "Deprecated low-level signing functions"
1039 Use of low-level signing functions such as \fBDSA_sign\fR\|(3) have been
1045 Deprecated low-level MAC functions
1046 .IX Subsection "Deprecated low-level MAC functions"
1048 Low-level mac functions such as \fBCMAC_Init\fR\|(3) are deprecated.
1060 Deprecated low-level validation functions
1061 .IX Subsection "Deprecated low-level validation functions"
1063 Low-level validation functions such as \fBDH_check\fR\|(3) have been informally
1064 discouraged from use for a long time. Applications should instead use the high-level
1070 Deprecated low-level key exchange functions
1071 .IX Subsection "Deprecated low-level key exchange functions"
1073 Many low-level functions have been informally discouraged from use for a long
1077 Deprecated low-level key generation functions
1078 .IX Subsection "Deprecated low-level key generation functions"
1080 Many low-level functions have been informally discouraged from use for a long
1087 Deprecated low-level key reading and writing functions
1088 .IX Subsection "Deprecated low-level key reading and writing functions"
1090 Use of low-level objects (such as DSA) has been informally discouraged from use
1091 for a long time. Functions to read and write these low-level objects (such as
1095 Deprecated low-level key printing functions
1096 .IX Subsection "Deprecated low-level key printing functions"
1098 Use of low-level objects (such as DSA) has been informally discouraged from use
1099 for a long time. Functions to print these low-level objects such as
1129 See "Deprecated low-level encryption functions"
1149 See "Deprecated low-level encryption functions".
1171 There are no replacements for these low-level functions. They were used internally
1180 See "Deprecated low-level encryption functions".
1185 See "Deprecated low-level encryption functions".
1191 See "Deprecated low-level MAC functions".
1195 See "Deprecated low-level MAC functions".
1210 Use the higher level functions \fBEVP_CipherInit_ex2()\fR, \fBEVP_CipherUpdate()\fR and
1226 See "Deprecated i2d and d2i functions for low-level key types"
1231 See "Deprecated low-level key parameter setters"
1243 See "Deprecated low-level encryption functions".
1255 See "Deprecated low-level validation functions"
1266 See "Deprecated low-level key exchange functions".
1270 See "Deprecated low-level object creation"
1274 See "Deprecated low-level key generation functions".
1279 See "Deprecated low-level key parameter getters"
1295 See "Providers are a replacement for engines and low-level method overrides"
1299 See "Deprecated low-level key printing functions"
1303 See "Deprecated low-level key parameter setters"
1317 See "Deprecated low-level key generation functions".
1323 See "Providers are a replacement for engines and low-level method overrides".
1328 See "Deprecated low-level key parameter getters".
1332 See "Deprecated low-level object creation"
1341 See "Deprecated low-level key printing functions"
1345 See "Deprecated low-level key parameter setters"
1353 See "Deprecated low-level signing functions".
1357 See "Deprecated low-level key exchange functions".
1368 See "Deprecated low-level signing functions".
1409 See "Deprecated low-level validation functions"
1431 See "Deprecated low-level key generation functions".
1436 See "Deprecated low-level key parameter getters".
1443 See "Providers are a replacement for engines and low-level method overrides"
1448 See "Providers are a replacement for engines and low-level method overrides"
1457 See "Deprecated low-level object creation"
1461 See "Deprecated low-level key printing functions"
1465 See "Deprecated low-level key parameter setters".
1470 See "Deprecated low-level key parameter setters".
1475 See "Deprecated low-level key printing functions"
1511 See "Providers are a replacement for engines and low-level method overrides".
1537 See "Providers are a replacement for engines and low-level method overrides".
1579 See "Providers are a replacement for engines and low-level method overrides".
1583 See "Deprecated low-level MAC functions".
1588 See "Deprecated low-level key object getters and setters"
1601 See "Providers are a replacement for engines and low-level method overrides".
1610 See "Deprecated low-level MAC functions".
1615 See "Deprecated low-level MAC functions".
1619 See "Deprecated low-level key reading and writing functions"
1626 See "Deprecated low-level key reading and writing functions"
1633 See "Deprecated low-level key reading and writing functions"
1639 See "Deprecated low-level key parameter getters"
1645 See "Deprecated low-level key reading and writing functions"
1652 See "Deprecated low-level encryption functions".
1661 See "Deprecated low-level encryption functions".
1670 See "Deprecated low-level encryption functions".
1675 See "Deprecated low-level encryption functions".
1680 See "Deprecated low-level encryption functions".
1735 See "Deprecated low-level key reading and writing functions"
1739 See "Deprecated low-level encryption functions".
1754 See "Deprecated low-level encryption functions".
1760 See "Deprecated low-level digest functions".
1770 See "Deprecated low-level validation functions"
1783 See "Deprecated low-level key generation functions".
1787 See "Providers are a replacement for engines and low-level method overrides"
1795 See "Deprecated low-level key parameter getters"
1799 See "Deprecated low-level object creation".
1803 See "Providers are a replacement for engines and low-level method overrides".
1811 See "Providers are a replacement for engines and low-level method overrides".
1815 See "Deprecated low-level signing functions" and
1816 "Deprecated low-level encryption functions".
1820 See "Deprecated low-level key printing functions"
1824 See "Deprecated low-level encryption functions"
1829 mode of none). See "Deprecated low-level signing functions".
1837 See "Deprecated low-level key reading and writing functions"
1842 See "Deprecated low-level key parameter setters".
1846 See "Providers are a replacement for engines and low-level method overrides"
1852 See "Deprecated low-level signing functions".
1863 See "Deprecated low-level encryption functions".
1872 See "Deprecated low-level digest functions".
1904 See "Deprecated low-level digest functions".
1982 \&\fBopenssl speed\fR no longer uses low-level API calls.
2087 working at the default security level of 1 and instead requires security
2088 level 0. The security level can be changed either using the cipher string
2091 then the handshake will fail in TLS 1.2 at security level 1. This is because,
2096 X509 certificates signed using SHA1 are no longer allowed at security level 1 and above.
2098 In TLS/SSL the default security level is 1. It can be set either using the cipher
2101 will fail if the security level is not lowered first.
2102 Outside TLS/SSL, the default security level is \-1 (effectively 0). It can