And done. This also pointed out a mistake in the man page code.
Pauli -- Dr Paul Dale | Distinguished Architect | Cryptographic Foundations Phone +61 7 3031 7217 Oracle Australia > On 15 Sep 2019, at 9:16 am, Dr Paul Dale <paul.d...@oracle.com> wrote: > > The example is wrong. > > The KDF API changed recently to better match the way the rest of the project > is moving. > I’ll update the example. > > > Pauli > -- > Dr Paul Dale | Distinguished Architect | Cryptographic Foundations > Phone +61 7 3031 7217 > Oracle Australia > > > > >> On 15 Sep 2019, at 7:28 am, Bhuvan Sharma <erbsharma...@gmail.com >> <mailto:erbsharma...@gmail.com>> wrote: >> >> Hey all, >> I'm new to openssl community and I don't know much about it. I tried to use >> openssl on my linux machine. I clone openssl git repo and executed these >> commands as mentioned in the file "INSTALL": "./config", "make", "make >> test", "make install". It went alright. Then I tried an "EVP KEY Derivation" >> example from this link: >> https://wiki.openssl.org/index.php?title=EVP_Key_Derivation&redirect=no#targetText=HKDF%20was%20designed%20by%20Krawczyk,from%20the%20OpenSSL%20man%20pages >> >> <https://wiki.openssl.org/index.php?title=EVP_Key_Derivation&redirect=no#targetText=HKDF%20was%20designed%20by%20Krawczyk,from%20the%20OpenSSL%20man%20pages>. >> But it gives me some error for undeclared function. >> ~/openssl$ gcc -std=c99 test.c -o test.exe -l:libcrypto.a -pthread -ldl >> test.c: In function ‘main’: >> test.c:12:17: warning: implicit declaration of function >> ‘EVP_KDF_CTX_new_id’; did you mean ‘EVP_KDF_CTX_new’? >> [-Wimplicit-function-declaration] >> if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_HKDF)) == NULL) { >> ^~~~~~~~~~~~~~~~~~ >> EVP_KDF_CTX_new >> test.c:12:36: error: ‘EVP_KDF_HKDF’ undeclared (first use in this function); >> did you mean ‘EVP_PKEY_HKDF’? >> if ((kctx = EVP_KDF_CTX_new_id(EVP_KDF_HKDF)) == NULL) { >> ^~~~~~~~~~~~ >> EVP_PKEY_HKDF >> test.c:12:36: note: each undeclared identifier is reported only once for >> each function it appears in >> test.c:13:9: warning: implicit declaration of function ‘error’; did you mean >> ‘perror’? [-Wimplicit-function-declaration] >> error("EVP_KDF_CTX_new_id"); >> ^~~~~ >> perror >> test.c:15:9: warning: implicit declaration of function ‘EVP_KDF_ctrl’; did >> you mean ‘EVP_KDF_size’? [-Wimplicit-function-declaration] >> if (EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()) <= 0) { >> ^~~~~~~~~~~~ >> EVP_KDF_size >> >> Is there any problem with the installation or am I missing something else? >> Your help is much appreciated. >> >> Thanks & Regards, >> Bhuvan Sharma >
