From aed53d6c5a8f7c823ab3363d7300892773a5f430 Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Thu, 4 Aug 2011 11:13:28 +0000 Subject: Backport GCM support from HEAD. --- ssl/ssl_ciph.c | 38 +++++++++++++++++++++++++++++++------- 1 file changed, 31 insertions(+), 7 deletions(-) (limited to 'ssl/ssl_ciph.c') diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c index 224c63db77..29d8f2849d 100644 --- a/ssl/ssl_ciph.c +++ b/ssl/ssl_ciph.c @@ -162,11 +162,13 @@ #define SSL_ENC_CAMELLIA256_IDX 9 #define SSL_ENC_GOST89_IDX 10 #define SSL_ENC_SEED_IDX 11 -#define SSL_ENC_NUM_IDX 12 +#define SSL_ENC_AES128GCM_IDX 12 +#define SSL_ENC_AES256GCM_IDX 13 +#define SSL_ENC_NUM_IDX 14 static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]={ - NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, + NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL }; #define SSL_COMP_NULL_IDX 0 @@ -289,9 +291,10 @@ static const SSL_CIPHER cipher_aliases[]={ {0,SSL_TXT_IDEA,0, 0,0,SSL_IDEA, 0,0,0,0,0,0}, {0,SSL_TXT_SEED,0, 0,0,SSL_SEED, 0,0,0,0,0,0}, {0,SSL_TXT_eNULL,0, 0,0,SSL_eNULL, 0,0,0,0,0,0}, - {0,SSL_TXT_AES128,0, 0,0,SSL_AES128,0,0,0,0,0,0}, - {0,SSL_TXT_AES256,0, 0,0,SSL_AES256,0,0,0,0,0,0}, - {0,SSL_TXT_AES,0, 0,0,SSL_AES128|SSL_AES256,0,0,0,0,0,0}, + {0,SSL_TXT_AES128,0, 0,0,SSL_AES128|SSL_AES128GCM,0,0,0,0,0,0}, + {0,SSL_TXT_AES256,0, 0,0,SSL_AES256|SSL_AES256GCM,0,0,0,0,0,0}, + {0,SSL_TXT_AES,0, 0,0,SSL_AES,0,0,0,0,0,0}, + {0,SSL_TXT_AES_GCM,0, 0,0,SSL_AES128GCM|SSL_AES256GCM,0,0,0,0,0,0}, {0,SSL_TXT_CAMELLIA128,0,0,0,SSL_CAMELLIA128,0,0,0,0,0,0}, {0,SSL_TXT_CAMELLIA256,0,0,0,SSL_CAMELLIA256,0,0,0,0,0,0}, {0,SSL_TXT_CAMELLIA ,0,0,0,SSL_CAMELLIA128|SSL_CAMELLIA256,0,0,0,0,0,0}, @@ -387,6 +390,11 @@ void ssl_load_ciphers(void) ssl_cipher_methods[SSL_ENC_SEED_IDX]= EVP_get_cipherbyname(SN_seed_cbc); + ssl_cipher_methods[SSL_ENC_AES128GCM_IDX]= + EVP_get_cipherbyname(SN_aes_128_gcm); + ssl_cipher_methods[SSL_ENC_AES256GCM_IDX]= + EVP_get_cipherbyname(SN_aes_256_gcm); + ssl_digest_methods[SSL_MD_MD5_IDX]= EVP_get_digestbyname(SN_md5); ssl_mac_secret_size[SSL_MD_MD5_IDX]= @@ -541,6 +549,12 @@ int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, case SSL_SEED: i=SSL_ENC_SEED_IDX; break; + case SSL_AES128GCM: + i=SSL_ENC_AES128GCM_IDX; + break; + case SSL_AES256GCM: + i=SSL_ENC_AES256GCM_IDX; + break; default: i= -1; break; @@ -585,14 +599,15 @@ int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, *md=NULL; if (mac_pkey_type!=NULL) *mac_pkey_type = NID_undef; if (mac_secret_size!=NULL) *mac_secret_size = 0; - + if (c->algorithm_mac == SSL_AEAD) + mac_pkey_type = NULL; } else { *md=ssl_digest_methods[i]; if (mac_pkey_type!=NULL) *mac_pkey_type = ssl_mac_pkey_id[i]; if (mac_secret_size!=NULL) *mac_secret_size = ssl_mac_secret_size[i]; - } + } if ((*enc != NULL) && (*md != NULL || (EVP_CIPHER_flags(*enc)&EVP_CIPH_FLAG_AEAD_CIPHER)) && @@ -1635,6 +1650,12 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_AES256: enc="AES(256)"; break; + case SSL_AES128GCM: + enc="AESGCM(128)"; + break; + case SSL_AES256GCM: + enc="AESGCM(256)"; + break; case SSL_CAMELLIA128: enc="Camellia(128)"; break; @@ -1663,6 +1684,9 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_SHA384: mac="SHA384"; break; + case SSL_AEAD: + mac="AEAD"; + break; default: mac="unknown"; break; -- cgit v1.2.3