| version 1.55, 2015/12/04 16:41:28 |
version 1.56, 2015/12/07 20:04:09 |
|
|
| static int |
static int |
| rsa_hash_alg_from_ident(const char *ident) |
rsa_hash_alg_from_ident(const char *ident) |
| { |
{ |
| if (ident == NULL || strlen(ident) == 0) |
|
| return SSH_DIGEST_SHA1; |
|
| if (strcmp(ident, "ssh-rsa") == 0) |
if (strcmp(ident, "ssh-rsa") == 0) |
| return SSH_DIGEST_SHA1; |
return SSH_DIGEST_SHA1; |
| if (strcmp(ident, "rsa-sha2-256") == 0) |
if (strcmp(ident, "rsa-sha2-256") == 0) |
| return SSH_DIGEST_SHA256; |
return SSH_DIGEST_SHA256; |
| if (strcmp(ident, "rsa-sha2-512") == 0) |
if (strcmp(ident, "rsa-sha2-512") == 0) |
| return SSH_DIGEST_SHA512; |
return SSH_DIGEST_SHA512; |
| if (strncmp(ident, "ssh-rsa-cert", strlen("ssh-rsa-cert")) == 0) |
|
| return SSH_DIGEST_SHA1; |
|
| return -1; |
return -1; |
| } |
} |
| |
|
|
|
| if (sigp != NULL) |
if (sigp != NULL) |
| *sigp = NULL; |
*sigp = NULL; |
| |
|
| hash_alg = rsa_hash_alg_from_ident(alg_ident); |
if (alg_ident == NULL || strlen(alg_ident) == 0 || |
| |
strncmp(alg_ident, "ssh-rsa-cert", strlen("ssh-rsa-cert")) == 0) |
| |
hash_alg = SSH_DIGEST_SHA1; |
| |
else |
| |
hash_alg = rsa_hash_alg_from_ident(alg_ident); |
| if (key == NULL || key->rsa == NULL || hash_alg == -1 || |
if (key == NULL || key->rsa == NULL || hash_alg == -1 || |
| sshkey_type_plain(key->type) != KEY_RSA || |
sshkey_type_plain(key->type) != KEY_RSA || |
| BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) |
BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) |
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