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Add length limitation from SP800-38E.

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This commit is contained in:
Dr. Stephen Henson 2011-04-15 12:01:53 +00:00
parent bf8131f79f
commit 45321c41e2
3 changed files with 12 additions and 0 deletions
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8
crypto/evp/e_aes.c
View File

@ -519,6 +519,14 @@ static int aes_xts(EVP_CIPHER_CTX *ctx, unsigned char *out,
return -1;
if (!out || !in)
return -1;
#ifdef OPENSSL_FIPS
/* Requirement of SP800-38E */
if (FIPS_mode() && len > (1L<<20)*16)
{
EVPerr(EVP_F_AES_XTS, EVP_R_TOO_LARGE);
return -1;
}
#endif
if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
ctx->encrypt))
return -1;

2
crypto/evp/evp.h
View File

@ -1248,6 +1248,7 @@ void ERR_load_EVP_strings(void);
/* Function codes. */
#define EVP_F_AESNI_INIT_KEY 165
#define EVP_F_AES_INIT_KEY 133
#define EVP_F_AES_XTS 172
#define EVP_F_CAMELLIA_INIT_KEY 159
#define EVP_F_D2I_PKEY 100
#define EVP_F_DO_SIGVER_INIT 161
@ -1369,6 +1370,7 @@ void ERR_load_EVP_strings(void);
#define EVP_R_PRIVATE_KEY_DECODE_ERROR 145
#define EVP_R_PRIVATE_KEY_ENCODE_ERROR 146
#define EVP_R_PUBLIC_KEY_NOT_RSA 106
#define EVP_R_TOO_LARGE 164
#define EVP_R_UNKNOWN_CIPHER 160
#define EVP_R_UNKNOWN_DIGEST 161
#define EVP_R_UNKNOWN_PBE_ALGORITHM 121

2
crypto/evp/evp_err.c
View File

@ -72,6 +72,7 @@ static ERR_STRING_DATA EVP_str_functs[]=
{
{ERR_FUNC(EVP_F_AESNI_INIT_KEY), "AESNI_INIT_KEY"},
{ERR_FUNC(EVP_F_AES_INIT_KEY), "AES_INIT_KEY"},
{ERR_FUNC(EVP_F_AES_XTS), "AES_XTS"},
{ERR_FUNC(EVP_F_CAMELLIA_INIT_KEY), "CAMELLIA_INIT_KEY"},
{ERR_FUNC(EVP_F_D2I_PKEY), "D2I_PKEY"},
{ERR_FUNC(EVP_F_DO_SIGVER_INIT), "DO_SIGVER_INIT"},
@ -196,6 +197,7 @@ static ERR_STRING_DATA EVP_str_reasons[]=
{ERR_REASON(EVP_R_PRIVATE_KEY_DECODE_ERROR),"private key decode error"},
{ERR_REASON(EVP_R_PRIVATE_KEY_ENCODE_ERROR),"private key encode error"},
{ERR_REASON(EVP_R_PUBLIC_KEY_NOT_RSA) ,"public key not rsa"},
{ERR_REASON(EVP_R_TOO_LARGE) ,"too large"},
{ERR_REASON(EVP_R_UNKNOWN_CIPHER) ,"unknown cipher"},
{ERR_REASON(EVP_R_UNKNOWN_DIGEST) ,"unknown digest"},
{ERR_REASON(EVP_R_UNKNOWN_PBE_ALGORITHM) ,"unknown pbe algorithm"},