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add configuration option for default RSA size.

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print key size with dropbearkey
This commit is contained in:
Matt Johnston
2017-06-24 23:32:25 +08:00
parent 364fb6019c
commit a94338dc67
6 changed files with 32 additions and 13 deletions
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21
gensignkey.c
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@@ -7,9 +7,6 @@
#include "signkey.h"
#include "dbrandom.h"
#define RSA_DEFAULT_SIZE 2048
#define DSS_DEFAULT_SIZE 1024
/* Returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE */
static int buf_writefile(buffer * buf, const char * filename) {
int ret = DROPBEAR_FAILURE;
@@ -55,11 +52,12 @@ static int get_default_bits(enum signkey_type keytype)
switch (keytype) {
#if DROPBEAR_RSA
case DROPBEAR_SIGNKEY_RSA:
return RSA_DEFAULT_SIZE;
return DROPBEAR_DEFAULT_RSA_SIZE;
#endif
#if DROPBEAR_DSS
case DROPBEAR_SIGNKEY_DSS:
return DSS_DEFAULT_SIZE;
/* DSS for SSH only defines 1024 bits */
return 1024;
#endif
#if DROPBEAR_ECDSA
case DROPBEAR_SIGNKEY_ECDSA_KEYGEN:
@@ -76,6 +74,14 @@ static int get_default_bits(enum signkey_type keytype)
}
}
int signkey_generate_get_bits(enum signkey_type keytype, int bits) {
if (bits == 0)
{
bits = get_default_bits(keytype);
}
return bits;
}
/* if skip_exist is set it will silently return if the key file exists */
int signkey_generate(enum signkey_type keytype, int bits, const char* filename, int skip_exist)
{
@@ -83,10 +89,7 @@ int signkey_generate(enum signkey_type keytype, int bits, const char* filename,
buffer *buf = NULL;
char *fn_temp = NULL;
int ret = DROPBEAR_FAILURE;
if (bits == 0)
{
bits = get_default_bits(keytype);
}
bits = signkey_generate_get_bits(keytype, bits);
/* now we can generate the key */
key = new_sign_key();