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head/sys/dev/safe/safe.c
| Show First 20 Lines • Show All 688 Lines • ▼ Show 20 Lines | |||||
| } | } | ||||
| static bool | static bool | ||||
| safe_cipher_supported(struct safe_softc *sc, | safe_cipher_supported(struct safe_softc *sc, | ||||
| const struct crypto_session_params *csp) | const struct crypto_session_params *csp) | ||||
| { | { | ||||
| switch (csp->csp_cipher_alg) { | switch (csp->csp_cipher_alg) { | ||||
| case CRYPTO_DES_CBC: | |||||
| case CRYPTO_3DES_CBC: | |||||
| if ((sc->sc_devinfo & SAFE_DEVINFO_DES) == 0) | |||||
| return (false); | |||||
| if (csp->csp_ivlen != 8) | |||||
| return (false); | |||||
| if (csp->csp_cipher_alg == CRYPTO_DES_CBC) { | |||||
| if (csp->csp_cipher_klen != 8) | |||||
| return (false); | |||||
| } else { | |||||
| if (csp->csp_cipher_klen != 24) | |||||
| return (false); | |||||
| } | |||||
| break; | |||||
| case CRYPTO_AES_CBC: | case CRYPTO_AES_CBC: | ||||
| if ((sc->sc_devinfo & SAFE_DEVINFO_AES) == 0) | if ((sc->sc_devinfo & SAFE_DEVINFO_AES) == 0) | ||||
| return (false); | return (false); | ||||
| if (csp->csp_ivlen != 16) | if (csp->csp_ivlen != 16) | ||||
| return (false); | return (false); | ||||
| if (csp->csp_cipher_klen != 16 && | if (csp->csp_cipher_klen != 16 && | ||||
| csp->csp_cipher_klen != 24 && | csp->csp_cipher_klen != 24 && | ||||
| csp->csp_cipher_klen != 32) | csp->csp_cipher_klen != 32) | ||||
| ▲ Show 20 Lines • Show All 142 Lines • ▼ Show 20 Lines | case CSP_MODE_ETA: | ||||
| break; | break; | ||||
| } | } | ||||
| if (csp->csp_cipher_alg != 0) { | if (csp->csp_cipher_alg != 0) { | ||||
| if (crp->crp_cipher_key != NULL) | if (crp->crp_cipher_key != NULL) | ||||
| safe_setup_enckey(ses, crp->crp_cipher_key); | safe_setup_enckey(ses, crp->crp_cipher_key); | ||||
| switch (csp->csp_cipher_alg) { | switch (csp->csp_cipher_alg) { | ||||
| case CRYPTO_DES_CBC: | |||||
| cmd0 |= SAFE_SA_CMD0_DES; | |||||
| cmd1 |= SAFE_SA_CMD1_CBC; | |||||
| break; | |||||
| case CRYPTO_3DES_CBC: | |||||
| cmd0 |= SAFE_SA_CMD0_3DES; | |||||
| cmd1 |= SAFE_SA_CMD1_CBC; | |||||
| break; | |||||
| case CRYPTO_AES_CBC: | case CRYPTO_AES_CBC: | ||||
| cmd0 |= SAFE_SA_CMD0_AES; | cmd0 |= SAFE_SA_CMD0_AES; | ||||
| cmd1 |= SAFE_SA_CMD1_CBC; | cmd1 |= SAFE_SA_CMD1_CBC; | ||||
| if (ses->ses_klen * 8 == 128) | if (ses->ses_klen * 8 == 128) | ||||
| cmd1 |= SAFE_SA_CMD1_AES128; | cmd1 |= SAFE_SA_CMD1_AES128; | ||||
| else if (ses->ses_klen * 8 == 192) | else if (ses->ses_klen * 8 == 192) | ||||
| cmd1 |= SAFE_SA_CMD1_AES192; | cmd1 |= SAFE_SA_CMD1_AES192; | ||||
| else | else | ||||
| ▲ Show 20 Lines • Show All 1,153 Lines • Show Last 20 Lines | |||||