Use centralized hasher names in pki utility

src/pki/commands/issue.c

@@ -105,8 +105,8 @@ static int issue()
 				}
 				continue;
 			case 'g':
-				digest = get_digest(arg);
-				if (digest == HASH_UNKNOWN)
+				digest = enum_from_name(hash_algorithm_short_names, arg);
+				if (digest == -1)
 				{
 					error = "invalid --digest type";
 					goto usage;

src/pki/commands/req.c

@@ -63,8 +63,8 @@ static int req()
 				}
 				continue;
 			case 'g':
-				digest = get_digest(arg);
-				if (digest == HASH_UNKNOWN)
+				digest = enum_from_name(hash_algorithm_short_names, arg);
+				if (digest == -1)
 				{
 					error = "invalid --digest type";
 					goto usage;

src/pki/commands/self.c

@@ -94,8 +94,8 @@ static int self()
 				}
 				continue;
 			case 'g':
-				digest = get_digest(arg);
-				if (digest == HASH_UNKNOWN)
+				digest = enum_from_name(hash_algorithm_short_names, arg);
+				if (digest == -1)
 				{
 					error = "invalid --digest type";
 					goto usage;

src/pki/commands/signcrl.c

@@ -141,8 +141,8 @@ static int sign_crl()
 			case 'h':
 				goto usage;
 			case 'g':
-				digest = get_digest(arg);
-				if (digest == HASH_UNKNOWN)
+				digest = enum_from_name(hash_algorithm_short_names, arg);
+				if (digest == -1)
 				{
 					error = "invalid --digest type";
 					goto usage;

src/pki/pki.c

@@ -79,38 +79,6 @@ bool get_form(char *form, cred_encoding_type_t *enc, credential_type_t type)
 	return FALSE;
 }
 
-/**
- * Convert a digest string to a hash algorithm
- */
-hash_algorithm_t get_digest(char *name)
-{
-	if (streq(name, "md5"))
-	{
-		return HASH_MD5;
-	}
-	if (streq(name, "sha1"))
-	{
-		return HASH_SHA1;
-	}
-	if (streq(name, "sha224"))
-	{
-		return HASH_SHA224;
-	}
-	if (streq(name, "sha256"))
-	{
-		return HASH_SHA256;
-	}
-	if (streq(name, "sha384"))
-	{
-		return HASH_SHA384;
-	}
-	if (streq(name, "sha512"))
-	{
-		return HASH_SHA512;
-	}
-	return HASH_UNKNOWN;
-}
-
 /**
  * Callback credential set pki uses
  */

src/pki/pki.h

@@ -31,9 +31,4 @@
  */
 bool get_form(char *form, cred_encoding_type_t *enc, credential_type_t type);
 
-/**
- * Convert a digest string to a hash algorithm
- */
-hash_algorithm_t get_digest(char *name);
-
 #endif /** PKI_H_ @}*/