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Properly fail for unsupported IVs.

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This commit is contained in:
Milan Broz
2014-06-29 10:23:07 +02:00
parent 25cd4f3a1d
commit dfd46df8a5
2 changed files with 24 additions and 13 deletions
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10
lib/crypto_backend/crypto_storage.c
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@@ -68,13 +68,13 @@ static int crypt_sector_iv_init(struct crypt_sector_iv *ctx,
ctx->type = IV_NONE;
ctx->iv_size = 0;
return 0;
} else if (!strncasecmp(iv_name, "null", 4)) {
} else if (!strcasecmp(iv_name, "null")) {
ctx->type = IV_NULL;
} else if (!strncasecmp(iv_name, "plain64", 7)) {
} else if (!strcasecmp(iv_name, "plain64")) {
ctx->type = IV_PLAIN64;
} else if (!strncasecmp(iv_name, "plain", 5)) {
} else if (!strcasecmp(iv_name, "plain")) {
ctx->type = IV_PLAIN;
} else if (!strncasecmp(iv_name, "essiv", 5)) {
} else if (!strncasecmp(iv_name, "essiv:", 6)) {
struct crypt_hash *h = NULL;
char *hash_name = strchr(iv_name, ':');
int hash_size;
@@ -119,7 +119,7 @@ static int crypt_sector_iv_init(struct crypt_sector_iv *ctx,
ctx->type = IV_BENBI;
ctx->benbi_shift = SECTOR_SHIFT - log;
} else
return -EINVAL;
return -ENOENT;
ctx->iv = malloc(ctx->iv_size);
if (!ctx->iv)