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Lines Matching defs:hmac

11  * HMAC low level APIs are deprecated for public use, but still ok for internal
19 #include <openssl/hmac.h>
430  * Refer to "HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"
444  *       k is the output length in bits of the hash function used with HMAC
482  * Refer to "HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"
503  *   PRK = HMAC-Hash(salt, IKM)
518     /* calc: PRK = HMAC-Hash(salt, IKM) */
519     return EVP_Q_mac(libctx, "HMAC", NULL, EVP_MD_get0_name(evp_md), NULL, salt,
525 HMAC-based Extract-and-Expand Key Derivation Function (HKDF)"
555  *   T(1) = HMAC-Hash(PRK, T(0) | info | 0x01)
556  *   T(2) = HMAC-Hash(PRK, T(1) | info | 0x02)
557  *   T(3) = HMAC-Hash(PRK, T(2) | info | 0x03)
568     HMAC_CTX *hmac;
587     if ((hmac = HMAC_CTX_new()) == NULL)
590     if (!HMAC_Init_ex(hmac, prk, prk_len, evp_md, NULL))
597         /* calc: T(i) = HMAC-Hash(PRK, T(i - 1) | info | i) */
599             if (!HMAC_Init_ex(hmac, NULL, 0, NULL, NULL))
602             if (!HMAC_Update(hmac, prev, dig_len))
606         if (!HMAC_Update(hmac, info, info_len))
609         if (!HMAC_Update(hmac, &ctr, 1))
612         if (!HMAC_Final(hmac, prev, NULL))
625     HMAC_CTX_free(hmac);