KDF_HMAC_DRBG
KDF_HMAC_DRBG *ctx = (KDF_HMAC_DRBG *)vctx;
KDF_HMAC_DRBG *hmac = (KDF_HMAC_DRBG *)vctx;
KDF_HMAC_DRBG *hmac = (KDF_HMAC_DRBG *)vctx;
KDF_HMAC_DRBG *ctx;
KDF_HMAC_DRBG *ctx = (KDF_HMAC_DRBG *)vctx;
KDF_HMAC_DRBG *ctx = (KDF_HMAC_DRBG *)vctx;
const KDF_HMAC_DRBG *src = (const KDF_HMAC_DRBG *)vctx;
KDF_HMAC_DRBG *dst;