diff --git a/app/test-crypto-perf/cperf_ops.c b/app/test-crypto-perf/cperf_ops.c
index 8baee12e45..7bb7a2611d 100644
--- a/app/test-crypto-perf/cperf_ops.c
+++ b/app/test-crypto-perf/cperf_ops.c
@@ -14,7 +14,7 @@ cperf_set_ops_asym(struct rte_crypto_op **ops,
 		   uint32_t src_buf_offset __rte_unused,
 		   uint32_t dst_buf_offset __rte_unused, uint16_t nb_ops,
 		   struct rte_cryptodev_sym_session *sess,
-		   const struct cperf_options *options __rte_unused,
+		   const struct cperf_options *options,
 		   const struct cperf_test_vector *test_vector __rte_unused,
 		   uint16_t iv_offset __rte_unused,
 		   uint32_t *imix_idx __rte_unused,
@@ -27,10 +27,10 @@ cperf_set_ops_asym(struct rte_crypto_op **ops,
 		struct rte_crypto_asym_op *asym_op = ops[i]->asym;
 
 		ops[i]->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
-		asym_op->modex.base.data = perf_base;
-		asym_op->modex.base.length = sizeof(perf_base);
-		asym_op->modex.result.data = perf_mod_result;
-		asym_op->modex.result.length = sizeof(perf_mod_result);
+		asym_op->modex.base.data = options->modex_data->base.data;
+		asym_op->modex.base.length = options->modex_data->base.len;
+		asym_op->modex.result.data = options->modex_data->result.data;
+		asym_op->modex.result.length = options->modex_data->result.len;
 		rte_crypto_op_attach_asym_session(ops[i], asym_sess);
 	}
 	return 0;
@@ -787,10 +787,10 @@ cperf_create_session(struct rte_mempool *sess_mp,
 	if (options->op_type == CPERF_ASYM_MODEX) {
 		xform.next = NULL;
 		xform.xform_type = RTE_CRYPTO_ASYM_XFORM_MODEX;
-		xform.modex.modulus.data = perf_mod_p;
-		xform.modex.modulus.length = sizeof(perf_mod_p);
-		xform.modex.exponent.data = perf_mod_e;
-		xform.modex.exponent.length = sizeof(perf_mod_e);
+		xform.modex.modulus.data = options->modex_data->modulus.data;
+		xform.modex.modulus.length = options->modex_data->modulus.len;
+		xform.modex.exponent.data = options->modex_data->exponent.data;
+		xform.modex.exponent.length = options->modex_data->exponent.len;
 
 		ret = rte_cryptodev_asym_session_create(dev_id, &xform,
 				sess_mp, &asym_sess);
diff --git a/app/test-crypto-perf/cperf_options.h b/app/test-crypto-perf/cperf_options.h
index 031b238b20..09caefde22 100644
--- a/app/test-crypto-perf/cperf_options.h
+++ b/app/test-crypto-perf/cperf_options.h
@@ -12,6 +12,7 @@
 #endif
 
 #define CPERF_PTEST_TYPE	("ptest")
+#define CPERF_MODEX_LEN		("modex-len")
 #define CPERF_SILENT		("silent")
 
 #define CPERF_POOL_SIZE		("pool-sz")
@@ -153,6 +154,8 @@ struct cperf_options {
 	uint32_t pmdcc_delay;
 	uint32_t imix_distribution_list[MAX_LIST];
 	uint8_t imix_distribution_count;
+	struct cperf_modex_test_data *modex_data;
+	uint16_t modex_len;
 };
 
 void
diff --git a/app/test-crypto-perf/cperf_options_parsing.c b/app/test-crypto-perf/cperf_options_parsing.c
index 59a9dc596a..09c98121c8 100644
--- a/app/test-crypto-perf/cperf_options_parsing.c
+++ b/app/test-crypto-perf/cperf_options_parsing.c
@@ -10,6 +10,7 @@
 #include <rte_ether.h>
 
 #include "cperf_options.h"
+#include "cperf_test_vectors.h"
 
 #define AES_BLOCK_SIZE 16
 #define DES_BLOCK_SIZE 8
@@ -57,6 +58,8 @@ usage(char *progname)
 		" --pmd-cyclecount-delay-ms N: set delay between enqueue\n"
 		"           and dequeue in pmd-cyclecount benchmarking mode\n"
 		" --csv-friendly: enable test result output CSV friendly\n"
+		" --modex-len N: modex length, supported lengths are "
+		"60, 128, 255, 448. Default: 128\n"
 #ifdef RTE_LIB_SECURITY
 		" --pdcp-sn-sz N: set PDCP SN size N <5/7/12/15/18>\n"
 		" --pdcp-domain DOMAIN: set PDCP domain <control/user>\n"
@@ -313,6 +316,16 @@ parse_pool_sz(struct cperf_options *opts, const char *arg)
 	return ret;
 }
 
+static int
+parse_modex_len(struct cperf_options *opts, const char *arg)
+{
+	int ret =  parse_uint16_t(&opts->modex_len, arg);
+
+	if (ret)
+		RTE_LOG(ERR, USER1, "failed to parse modex len");
+	return ret;
+}
+
 static int
 parse_burst_sz(struct cperf_options *opts, const char *arg)
 {
@@ -822,6 +835,7 @@ struct long_opt_parser {
 static struct option lgopts[] = {
 
 	{ CPERF_PTEST_TYPE, required_argument, 0, 0 },
+	{ CPERF_MODEX_LEN, required_argument, 0, 0 },
 
 	{ CPERF_POOL_SIZE, required_argument, 0, 0 },
 	{ CPERF_TOTAL_OPS, required_argument, 0, 0 },
@@ -939,6 +953,7 @@ cperf_options_default(struct cperf_options *opts)
 	opts->pdcp_ses_hfn_en = 0;
 	opts->docsis_hdr_sz = 17;
 #endif
+	opts->modex_data = (struct cperf_modex_test_data *)&modex_perf_data[0];
 }
 
 static int
@@ -946,6 +961,7 @@ cperf_opts_parse_long(int opt_idx, struct cperf_options *opts)
 {
 	struct long_opt_parser parsermap[] = {
 		{ CPERF_PTEST_TYPE,	parse_cperf_test_type },
+		{ CPERF_MODEX_LEN,	parse_modex_len },
 		{ CPERF_SILENT,		parse_silent },
 		{ CPERF_POOL_SIZE,	parse_pool_sz },
 		{ CPERF_TOTAL_OPS,	parse_total_ops },
@@ -1117,6 +1133,8 @@ check_docsis_buffer_length(struct cperf_options *options)
 int
 cperf_options_check(struct cperf_options *options)
 {
+	int i;
+
 	if (options->op_type == CPERF_CIPHER_ONLY ||
 			options->op_type == CPERF_DOCSIS)
 		options->digest_sz = 0;
@@ -1243,6 +1261,30 @@ cperf_options_check(struct cperf_options *options)
 			return -EINVAL;
 	}
 
+	if (options->modex_len) {
+		if (options->op_type != CPERF_ASYM_MODEX) {
+			RTE_LOG(ERR, USER1, "Option modex len should be used only with "
+					" optype: modex.\n");
+			return -EINVAL;
+		}
+
+		for (i = 0; i < (int)RTE_DIM(modex_perf_data); i++) {
+			if (modex_perf_data[i].modulus.len ==
+			    options->modex_len) {
+				options->modex_data =
+					(struct cperf_modex_test_data
+						 *)&modex_perf_data[i];
+				break;
+			}
+		}
+		if (i == (int)RTE_DIM(modex_perf_data)) {
+			RTE_LOG(ERR, USER1,
+				"Option modex len: %d is not supported\n",
+				options->modex_len);
+			return -EINVAL;
+		}
+	}
+
 #ifdef RTE_LIB_SECURITY
 	if (options->op_type == CPERF_DOCSIS) {
 		if (check_docsis_buffer_length(options) < 0)
diff --git a/app/test-crypto-perf/cperf_test_vectors.c b/app/test-crypto-perf/cperf_test_vectors.c
index dafcfc0c6c..5cd7a229b8 100644
--- a/app/test-crypto-perf/cperf_test_vectors.c
+++ b/app/test-crypto-perf/cperf_test_vectors.c
@@ -7,37 +7,235 @@
 
 #include "cperf_test_vectors.h"
 
-/* modular operation test data */
-uint8_t perf_base[20] = {
-	0xF8, 0xBA, 0x1A, 0x55, 0xD0, 0x2F, 0x85,
-	0xAE, 0x96, 0x7B, 0xB6, 0x2F, 0xB6, 0xCD,
-	0xA8, 0xEB, 0x7E, 0x78, 0xA0, 0x50
-};
-
-uint8_t perf_mod_p[129] = {
-	0x00, 0xb3, 0xa1, 0xaf, 0xb7, 0x13, 0x08, 0x00,
-	0x0a, 0x35, 0xdc, 0x2b, 0x20, 0x8d, 0xa1, 0xb5,
-	0xce, 0x47, 0x8a, 0xc3, 0x80, 0xf4, 0x7d, 0x4a,
-	0xa2, 0x62, 0xfd, 0x61, 0x7f, 0xb5, 0xa8, 0xde,
-	0x0a, 0x17, 0x97, 0xa0, 0xbf, 0xdf, 0x56, 0x5a,
-	0x3d, 0x51, 0x56, 0x4f, 0x70, 0x70, 0x3f, 0x63,
-	0x6a, 0x44, 0x5b, 0xad, 0x84, 0x0d, 0x3f, 0x27,
-	0x6e, 0x3b, 0x34, 0x91, 0x60, 0x14, 0xb9, 0xaa,
-	0x72, 0xfd, 0xa3, 0x64, 0xd2, 0x03, 0xa7, 0x53,
-	0x87, 0x9e, 0x88, 0x0b, 0xc1, 0x14, 0x93, 0x1a,
-	0x62, 0xff, 0xb1, 0x5d, 0x74, 0xcd, 0x59, 0x63,
-	0x18, 0x11, 0x3d, 0x4f, 0xba, 0x75, 0xd4, 0x33,
-	0x4e, 0x23, 0x6b, 0x7b, 0x57, 0x44, 0xe1, 0xd3,
-	0x03, 0x13, 0xa6, 0xf0, 0x8b, 0x60, 0xb0, 0x9e,
-	0xee, 0x75, 0x08, 0x9d, 0x71, 0x63, 0x13, 0xcb,
-	0xa6, 0x81, 0x92, 0x14, 0x03, 0x22, 0x2d, 0xde,
-	0x55
+struct
+cperf_modex_test_data modex_perf_data[4] = {
+	{
+		.base = {
+			.data = {
+				0xF8, 0xBA, 0x1A, 0x55, 0xD0, 0x2F, 0x85,
+				0xAE, 0x96, 0x7B, 0xB6, 0x2F, 0xB6, 0xCD,
+				0xA8, 0xEB, 0x7E, 0x78, 0xA0, 0x50
+			},
+			.len = 20
+		},
+		.exponent = {
+			.data = {
+				0x01, 0x00, 0x01
+			},
+			.len = 3
+		},
+		.modulus = {
+			.data = {
+				0xb3, 0xa1, 0xaf, 0xb7, 0x13, 0x08, 0x00, 0x0a,
+				0x35, 0xdc, 0x2b, 0x20, 0x8d, 0xa1, 0xb5, 0xce,
+				0x47, 0x8a, 0xc3, 0x80, 0xf4, 0x7d, 0x4a, 0xa2,
+				0x62, 0xfd, 0x61, 0x7f, 0xb5, 0xa8, 0xde, 0x0a,
+				0x17, 0x97, 0xa0, 0xbf, 0xdf, 0x56, 0x5a, 0x3d,
+				0x51, 0x56, 0x4f, 0x70, 0x70, 0x3f, 0x63, 0x6a,
+				0x44, 0x5b, 0xad, 0x84, 0x0d, 0x3f, 0x27, 0x6e,
+				0x3b, 0x34, 0x91, 0x60, 0x14, 0xb9, 0xaa, 0x72,
+				0xfd, 0xa3, 0x64, 0xd2, 0x03, 0xa7, 0x53, 0x87,
+				0x9e, 0x88, 0x0b, 0xc1, 0x14, 0x93, 0x1a, 0x62,
+				0xff, 0xb1, 0x5d, 0x74, 0xcd, 0x59, 0x63, 0x18,
+				0x11, 0x3d, 0x4f, 0xba, 0x75, 0xd4, 0x33, 0x4e,
+				0x23, 0x6b, 0x7b, 0x57, 0x44, 0xe1, 0xd3, 0x03,
+				0x13, 0xa6, 0xf0, 0x8b, 0x60, 0xb0, 0x9e, 0xee,
+				0x75, 0x08, 0x9d, 0x71, 0x63, 0x13, 0xcb, 0xa6,
+				0x81, 0x92, 0x14, 0x03, 0x22, 0x2d, 0xde, 0x55
+			},
+			.len = 128
+		},
+		.result = {
+			.len = 128
+		}
+	},
+	{
+		.base = {
+			.data = {
+				0x4F, 0xD8, 0x5C, 0xDB, 0x6D, 0xA2, 0xFA, 0x35,
+				0x9D, 0xD7, 0x97, 0x10, 0x4B, 0x71, 0x5F, 0x53,
+				0xE1, 0xC7, 0x09, 0x74, 0x88, 0xC8, 0x9D, 0x03,
+				0xC0, 0x70, 0xE0, 0xBE, 0xE3, 0xF2, 0x2C, 0x01,
+				0x85, 0xA6, 0x4E, 0x28, 0x6E, 0xD3, 0xB5, 0x18,
+				0x58, 0x69, 0x07, 0xDA, 0x3A, 0x1B, 0x35, 0xCE,
+				0xE6, 0xFA
+			},
+			.len = 50
+		},
+		.exponent = {
+			.data = {
+				0x30, 0xA5, 0xD5, 0xF0, 0x42, 0x03, 0xC3, 0x2D,
+				0x2F, 0x58, 0xA8, 0x5C, 0x21, 0x88, 0xDE, 0x82,
+				0x36, 0x44, 0xC1, 0x5A, 0x87, 0x2C, 0x33, 0x19,
+				0x4E, 0xCE, 0x3F, 0x87, 0xFF, 0x98, 0x4B, 0xFC,
+				0x15, 0xC0, 0xBE, 0x9E, 0x8F, 0xF0, 0x6A, 0x62
+			},
+			.len = 40
+		},
+		.modulus = {
+			.data = {
+				0xF8, 0x04, 0x0D, 0xD5, 0x09, 0x6C, 0x78, 0x06,
+				0x7D, 0x28, 0x77, 0xA4, 0x0E, 0xA5, 0x49, 0xE7,
+				0x6D, 0xC9, 0x97, 0xD3, 0xC0, 0x7F, 0x82, 0xC6,
+				0x75, 0x51, 0x72, 0xAF, 0x8C, 0x77, 0x97, 0xD0,
+				0xA1, 0x85, 0x54, 0xC0, 0x78, 0x86, 0xD6, 0x40,
+				0x7A, 0x6B, 0xB3, 0xD7, 0x07, 0xCA, 0x27, 0xA3,
+				0x66, 0xB9, 0x98, 0x22, 0xC4, 0x54, 0x18, 0x07,
+				0x65, 0x76, 0x0F, 0x5A
+			},
+			.len = 60
+		},
+		.result = {
+			.len = 60
+		}
+	},
+	{
+		.base = {
+			.data = {
+				0xD8, 0x21, 0xD2, 0x76, 0xAE, 0x01, 0x62, 0xD8,
+				0x8C, 0x80, 0x01, 0x25, 0xC7, 0xE8, 0x4E, 0x0F,
+				0x7F, 0x23, 0xFE, 0xBB
+			},
+			.len = 20
+		},
+		.exponent = {
+			.data = {
+				0xE5, 0xCE, 0x50, 0xE8, 0x97, 0x32, 0xFB, 0x5C,
+				0xFC, 0x62
+			},
+			.len = 10
+		},
+		.modulus = {
+			.data = {
+				0x71, 0x3C, 0x6C, 0x7A, 0x19, 0x31, 0xF8, 0x94,
+				0xC9, 0xAA, 0x25, 0x69, 0xA7, 0xF2, 0x28, 0x70,
+				0x84, 0x5D, 0xEC, 0x40, 0xC8, 0xF9, 0xC5, 0x79,
+				0xF9, 0x87, 0xD1, 0xA0, 0xC1, 0x5A, 0x06, 0xE4,
+				0x65, 0xB8, 0x29, 0x0B, 0x2B, 0xFE, 0x67, 0xF0,
+				0x91, 0x96, 0xE1, 0xCD, 0x5A, 0xCE, 0x44, 0xA3,
+				0x4F, 0xE8, 0xBE, 0xC6, 0xA3, 0x0A, 0xCB, 0xF5,
+				0x7D, 0x8B, 0x9B, 0x2F, 0x4E, 0xC9, 0x54, 0x48,
+				0xA4, 0xC2, 0x09, 0xCE, 0xA5, 0x93, 0x1F, 0x43,
+				0xC2, 0xCE, 0xFB, 0xBB, 0x69, 0x29, 0x03, 0x74,
+				0xD6, 0x25, 0x47, 0x6B, 0xAC, 0x4E, 0x44, 0x8C,
+				0x39, 0x2F, 0xB2, 0xDD, 0x15, 0x1B, 0xA3, 0x3D,
+				0xA4, 0x0C, 0xFF, 0xCB, 0x05, 0xC2, 0x81, 0x97,
+				0x16, 0xE2, 0xAC, 0x8A, 0xF3, 0xED, 0x80, 0xA4,
+				0xC5, 0xFC, 0xF5, 0x6C, 0x4B, 0xBB, 0x05, 0x91,
+				0xD4, 0x0F, 0xDA, 0x70, 0x7C, 0x9A, 0xA1, 0x63,
+				0x15, 0xEE, 0xBB, 0x17, 0xE6, 0x20, 0x50, 0x74,
+				0x36, 0x9C, 0xA1, 0x10, 0x29, 0x22, 0xFB, 0x7E,
+				0x2A, 0x08, 0xF3, 0x07, 0xEA, 0xCD, 0x2C, 0x50,
+				0x18, 0x15, 0x66, 0x87, 0x74, 0x19, 0x11, 0x2B,
+				0x77, 0x85, 0xA0, 0x57, 0xA7, 0xEB, 0x6E, 0x15,
+				0x15, 0x0D, 0xA4, 0x18, 0x5D, 0x54, 0x13, 0xE3,
+				0x33, 0x12, 0x8D, 0xA3, 0xEF, 0x54, 0xE6, 0x1E,
+				0xDB, 0x8F, 0x3D, 0x02, 0x3C, 0xCB, 0x34, 0x93,
+				0x31, 0x1D, 0x4D, 0x3E, 0x9C, 0x22, 0x04, 0xD1,
+				0x19, 0x53, 0x45, 0xE5, 0xBF, 0xF8, 0x70, 0x1A,
+				0xEA, 0x52, 0x93, 0x2A, 0x26, 0x8A, 0x1E, 0x47,
+				0xCE, 0x83, 0x5B, 0x35, 0x9A, 0xD2, 0x75, 0xC6,
+				0xC6, 0x20, 0x84, 0x9F, 0x74, 0x69, 0x69, 0xB8,
+				0x29, 0xD8, 0xA4, 0x70, 0x91, 0x42, 0x06, 0x25,
+				0x38, 0xCB, 0x42, 0x75, 0x52, 0xEF, 0xB8, 0x64,
+				0x4F, 0xC5, 0x7C, 0xC4, 0x09, 0xDB, 0x12
+			},
+			.len = 255
+		},
+		.result = {
+			.len = 255
+		}
+	},
+	{
+		.base = {
+			.data = {
+				0x92, 0x45, 0x17, 0x7D, 0xD3, 0xF4, 0x2B, 0x93,
+				0x8E, 0x1A, 0xFB, 0x1D, 0x13, 0x55, 0x53, 0x84,
+				0x96, 0x3C, 0x39, 0xE0, 0xAF, 0x4A, 0xB4, 0xC9,
+				0x16, 0x1F, 0xF4, 0x24, 0x65, 0xDD, 0xC3, 0x62,
+				0x12, 0xAF, 0x86, 0x95, 0x0D, 0xDE, 0x28, 0x87,
+				0x90, 0x11, 0xAA, 0x6E, 0x60, 0xCD, 0x54, 0xB7,
+				0x48, 0x43
+			},
+			.len = 50
+		},
+		.exponent = {
+			.data = {
+				0x22, 0xD9, 0x4D, 0x01, 0x2F, 0x50, 0x5D, 0xE1,
+				0x01, 0xAA, 0xC6, 0xC6, 0xCD, 0x5D, 0x7E, 0x61,
+				0x75, 0x0A, 0xDC, 0x06, 0x07, 0x4B, 0xBD, 0x29,
+				0x33, 0x09, 0x91, 0xD4, 0x29, 0xEB, 0x52, 0x24,
+				0x27, 0xC6, 0x83, 0x6D, 0x70, 0xA9, 0xC9, 0x11
+			},
+			.len = 40
+		},
+		.modulus = {
+			.data = {
+				0xBB, 0x97, 0x8A, 0xB6, 0x26, 0xD4, 0x0E, 0x70,
+				0x21, 0xA6, 0x56, 0x71, 0xE5, 0xD8, 0x18, 0x21,
+				0x64, 0x9F, 0x1B, 0x6F, 0x7C, 0x27, 0x72, 0xB8,
+				0x39, 0xE5, 0x2A, 0x94, 0x76, 0x22, 0xB7, 0x68,
+				0x57, 0x3A, 0x01, 0x54, 0xA8, 0x50, 0x41, 0xA1,
+				0xAD, 0xD0, 0xC7, 0xDB, 0xAA, 0x76, 0x7F, 0x37,
+				0xA9, 0x27, 0x22, 0x8D, 0xF0, 0x5C, 0x5A, 0xAC,
+				0xFB, 0x82, 0x6A, 0x8E, 0x31, 0x51, 0x54, 0x7C,
+				0xDB, 0x55, 0x9C, 0xBC, 0x82, 0x27, 0xF4, 0x0B,
+				0x94, 0x74, 0xC8, 0x83, 0x80, 0x1C, 0xD8, 0xFF,
+				0x50, 0xA2, 0xC9, 0xED, 0x2B, 0x98, 0x77, 0xF3,
+				0x31, 0x81, 0x1C, 0x41, 0x8E, 0xAF, 0x87, 0xA2,
+				0x02, 0xAC, 0x8B, 0x55, 0x01, 0x5C, 0x16, 0x11,
+				0x63, 0x8C, 0xE2, 0x0D, 0x51, 0xD2, 0x4C, 0xD7,
+				0xD4, 0x3D, 0xE4, 0x79, 0x1A, 0xA7, 0xC4, 0xBF,
+				0x4E, 0x2A, 0xC9, 0x74, 0xD6, 0xD4, 0x90, 0x03,
+				0x65, 0x7F, 0x54, 0x0F, 0xAC, 0x5F, 0x98, 0x2C,
+				0x46, 0xC0, 0xD7, 0xE6, 0x75, 0x95, 0xC3, 0xEA,
+				0x05, 0x3A, 0x03, 0x55, 0x43, 0xC7, 0xC2, 0xD1,
+				0x11, 0xCD, 0x57, 0x37, 0x0D, 0x40, 0x87, 0xDF,
+				0x7D, 0xC3, 0x04, 0x54, 0xDE, 0x1D, 0xAF, 0xB8,
+				0x02, 0x50, 0x42, 0xFF, 0x9D, 0xFB, 0x13, 0xF7,
+				0x25, 0x5A, 0x8B, 0xE3, 0x31, 0xA2, 0x64, 0xF8,
+				0x94, 0x50, 0x18, 0xFB, 0xBB, 0xA2, 0xE9, 0x13,
+				0x77, 0x6E, 0xE1, 0x6F, 0x9F, 0x06, 0x03, 0xEE,
+				0x0D, 0x06, 0x6E, 0xF2, 0x9B, 0x15, 0x70, 0xDD,
+				0x26, 0x7C, 0xB4, 0x5D, 0xD0, 0xE7, 0x77, 0xC4,
+				0xB9, 0x88, 0x75, 0xB8, 0x73, 0xFC, 0xE9, 0xB7,
+				0x11, 0x26, 0xAC, 0xDB, 0x97, 0x27, 0x18, 0x21,
+				0x50, 0x7E, 0x46, 0xB2, 0xF1, 0x50, 0x40, 0xD9,
+				0x8B, 0x63, 0xDB, 0x1A, 0x8E, 0x29, 0xBE, 0x1F,
+				0x88, 0x35, 0xFD, 0x95, 0xC3, 0xA6, 0x80, 0xEB,
+				0x73, 0xF7, 0x02, 0x02, 0xB0, 0xCA, 0x97, 0x2C,
+				0x32, 0x44, 0xA9, 0xCA, 0x94, 0xC0, 0xB2, 0xD9,
+				0x7C, 0xD9, 0x10, 0x62, 0x31, 0xC9, 0xFA, 0x5B,
+				0x5C, 0x2C, 0xB6, 0x04, 0x5B, 0x7E, 0x86, 0xBB,
+				0x49, 0x02, 0x16, 0x9E, 0x1E, 0x53, 0xBD, 0xC2,
+				0xA9, 0xAA, 0x94, 0x39, 0xA1, 0xB2, 0x18, 0x17,
+				0xB6, 0x2C, 0xF6, 0xFF, 0xC0, 0xD0, 0x2D, 0x4D,
+				0xAA, 0x6C, 0xB5, 0xC8, 0x6A, 0xBE, 0x38, 0xE4,
+				0x9F, 0xDC, 0x5C, 0x56, 0x56, 0x04, 0x32, 0x49,
+				0x91, 0x17, 0x44, 0x6E, 0xB3, 0xF9, 0x8F, 0xDB,
+				0xEA, 0x04, 0x4C, 0x67, 0xE6, 0xDA, 0x96, 0x2F,
+				0x89, 0x2D, 0x54, 0xC3, 0xAD, 0x07, 0x6B, 0xA0,
+				0x87, 0xF0, 0xCF, 0x4B, 0x43, 0x46, 0xCA, 0x06,
+				0x48, 0x8D, 0x34, 0xC4, 0xD2, 0xD2, 0xA9, 0x16,
+				0x13, 0xF5, 0x49, 0x44, 0x8C, 0xD9, 0x0C, 0x1E,
+				0x79, 0x47, 0xFC, 0x4C, 0x37, 0x8E, 0xD1, 0xFD,
+				0xB9, 0xE8, 0x6E, 0x1B, 0x8D, 0x68, 0xCC, 0x49,
+				0x0D, 0x98, 0xB5, 0xD5, 0x22, 0x1C, 0xFC, 0xBA,
+				0x7A, 0x74, 0x3D, 0xBD, 0xD9, 0xB3, 0x80, 0x58,
+				0x4A, 0x05, 0x67, 0x9D, 0x59, 0xF4, 0xF7, 0x72,
+				0x11, 0x3C, 0x67, 0x96, 0xE7, 0x0D, 0x8E, 0x73,
+				0xD1, 0xEE, 0x00, 0x79, 0x98, 0x7A, 0x0E, 0xE0,
+				0xA8, 0xEA, 0x7D, 0xF3, 0xDB, 0x0E, 0x62, 0x3E,
+				0x66, 0x95, 0xED, 0xD5, 0x8C, 0x39, 0xF5, 0xAB
+			},
+			.len = 448
+		},
+		.result = {
+			.len = 448
+		}
+	}
 };
 
-uint8_t perf_mod_result[sizeof(perf_mod_p)];
-
-uint8_t perf_mod_e[3] = {0x01, 0x00, 0x01};
-
 uint8_t plaintext[2048] = {
 	0x71, 0x75, 0x83, 0x98, 0x75, 0x42, 0x51, 0x09, 0x94, 0x02, 0x13, 0x20,
 	0x15, 0x64, 0x46, 0x32, 0x08, 0x18, 0x91, 0x82, 0x86, 0x52, 0x23, 0x93,
@@ -456,10 +654,10 @@ cperf_test_vector_get_dummy(struct cperf_options *options)
 	t_vec->plaintext.length = options->max_buffer_size;
 
 	if (options->op_type == CPERF_ASYM_MODEX) {
-		t_vec->modex.mod = perf_mod_p;
-		t_vec->modex.exp = perf_mod_e;
-		t_vec->modex.mlen = sizeof(perf_mod_p);
-		t_vec->modex.elen = sizeof(perf_mod_e);
+		t_vec->modex.mod = options->modex_data->modulus.data;
+		t_vec->modex.exp = options->modex_data->exponent.data;
+		t_vec->modex.mlen = options->modex_data->modulus.len;
+		t_vec->modex.elen = options->modex_data->exponent.len;
 	}
 
 	if (options->op_type ==	CPERF_PDCP ||
diff --git a/app/test-crypto-perf/cperf_test_vectors.h b/app/test-crypto-perf/cperf_test_vectors.h
index 70f2839cd6..649478ff83 100644
--- a/app/test-crypto-perf/cperf_test_vectors.h
+++ b/app/test-crypto-perf/cperf_test_vectors.h
@@ -77,6 +77,26 @@ struct cperf_test_vector {
 	} modex;
 };
 
+struct cperf_modex_test_data {
+#define DATA_SIZE  512
+	struct {
+		uint8_t data[DATA_SIZE];
+		uint16_t len;
+	} base;
+	struct {
+		uint8_t data[DATA_SIZE];
+		uint16_t len;
+	} exponent;
+	struct {
+		uint8_t data[DATA_SIZE];
+		uint16_t len;
+	} modulus;
+	struct {
+		uint8_t data[DATA_SIZE];
+		uint16_t len;
+	} result;
+};
+
 struct cperf_test_vector*
 cperf_test_vector_get_dummy(struct cperf_options *options);
 
@@ -90,9 +110,6 @@ extern uint8_t aad[];
 
 extern uint8_t digest[2048];
 
-extern uint8_t perf_base[20];
-extern uint8_t perf_mod_p[129];
-extern uint8_t perf_mod_e[3];
-extern uint8_t perf_mod_result[sizeof(perf_mod_p)];
+extern struct cperf_modex_test_data modex_perf_data[4];
 
 #endif
diff --git a/app/test-crypto-perf/main.c b/app/test-crypto-perf/main.c
index 35a1193525..17e30a8e74 100644
--- a/app/test-crypto-perf/main.c
+++ b/app/test-crypto-perf/main.c
@@ -382,7 +382,7 @@ cperf_verify_devices_capabilities(struct cperf_options *opts,
 				return -1;
 
 			ret = rte_cryptodev_asym_xform_capability_check_modlen(
-				asym_capability, sizeof(perf_mod_p));
+				asym_capability, opts->modex_data->modulus.len);
 			if (ret != 0)
 				return ret;
 
diff --git a/doc/guides/tools/cryptoperf.rst b/doc/guides/tools/cryptoperf.rst
index d3d5ebe4dc..cf3b147213 100644
--- a/doc/guides/tools/cryptoperf.rst
+++ b/doc/guides/tools/cryptoperf.rst
@@ -332,6 +332,11 @@ The following are the application command-line options:
 
         Enable fixed session based HFN instead of per packet HFN.
 
+* ``--modex-len <n>``
+
+        Set modex length for asymmetric crypto perf test.
+        Supported lengths are 60, 128, 255, 448. Default length is 128.
+
 Test Vector File
 ~~~~~~~~~~~~~~~~
 
